upgrade protoc to 3.17.3

$brew install protobuf
$ protoc --version
libprotoc 3.17.3
$ go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.26
$ go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.1

16 files changed, 3817 insertions, 3754 deletions

diff --git a/weed/messaging/broker/broker_server.go b/weed/messaging/broker/broker_server.go
index fd41dd441..193c1c689 100644
--- a/weed/messaging/broker/broker_server.go
+++ b/weed/messaging/broker/broker_server.go
@@ -2,6 +2,7 @@ package broker
 
 import (
 	"context"
+	"github.com/chrislusf/seaweedfs/weed/pb/messaging_pb"
 	"time"
 
 	"google.golang.org/grpc"
@@ -22,6 +23,7 @@ type MessageBrokerOption struct {
 }
 
 type MessageBroker struct {
+	messaging_pb.UnimplementedSeaweedMessagingServer
 	option         *MessageBrokerOption
 	grpcDialOption grpc.DialOption
 	topicManager   *TopicManager
diff --git a/weed/pb/Makefile b/weed/pb/Makefile
index 72c738135..dc27172b6 100644
--- a/weed/pb/Makefile
+++ b/weed/pb/Makefile
@@ -3,11 +3,11 @@ all: gen
 .PHONY : gen
 
 gen:
-	protoc master.proto --go_out=plugins=grpc:./master_pb --go_opt=paths=source_relative
-	protoc volume_server.proto --go_out=plugins=grpc:./volume_server_pb --go_opt=paths=source_relative
-	protoc filer.proto --go_out=plugins=grpc:./filer_pb --go_opt=paths=source_relative
-	protoc remote.proto --go_out=plugins=grpc:./remote_pb --go_opt=paths=source_relative
-	protoc iam.proto --go_out=plugins=grpc:./iam_pb --go_opt=paths=source_relative
-	protoc messaging.proto --go_out=plugins=grpc:./messaging_pb --go_opt=paths=source_relative
+	protoc master.proto --go_out=./master_pb --go-grpc_out=./master_pb --go_opt=paths=source_relative --go-grpc_opt=paths=source_relative
+	protoc volume_server.proto --go_out=./volume_server_pb --go-grpc_out=./volume_server_pb --go_opt=paths=source_relative --go-grpc_opt=paths=source_relative
+	protoc filer.proto --go_out=./filer_pb --go-grpc_out=./filer_pb --go_opt=paths=source_relative --go-grpc_opt=paths=source_relative
+	protoc remote.proto --go_out=./remote_pb --go-grpc_out=./remote_pb --go_opt=paths=source_relative --go-grpc_opt=paths=source_relative
+	protoc iam.proto --go_out=./iam_pb --go-grpc_out=./iam_pb --go_opt=paths=source_relative --go-grpc_opt=paths=source_relative
+	protoc messaging.proto --go_out=./messaging_pb --go-grpc_out=./messaging_pb --go_opt=paths=source_relative --go-grpc_opt=paths=source_relative
 	# protoc filer.proto --java_out=../../other/java/client/src/main/java
 	cp filer.proto ../../other/java/client/src/main/proto
diff --git a/weed/pb/filer_pb/filer.pb.go b/weed/pb/filer_pb/filer.pb.go
index ba8a36b8b..393a4d037 100644
--- a/weed/pb/filer_pb/filer.pb.go
+++ b/weed/pb/filer_pb/filer.pb.go
@@ -1,17 +1,12 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.25.0
-// 	protoc        v3.12.3
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.17.3
 // source: filer.proto
 
 package filer_pb
 
 import (
-	context "context"
-	proto "github.com/golang/protobuf/proto"
-	grpc "google.golang.org/grpc"
-	codes "google.golang.org/grpc/codes"
-	status "google.golang.org/grpc/status"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
@@ -25,10 +20,6 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-// This is a compile-time assertion that a sufficiently up-to-date version
-// of the legacy proto package is being used.
-const _ = proto.ProtoPackageIsVersion4
-
 type LookupDirectoryEntryRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -5011,944 +5002,3 @@ func file_filer_proto_init() {
 	file_filer_proto_goTypes = nil
 	file_filer_proto_depIdxs = nil
 }
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ context.Context
-var _ grpc.ClientConnInterface
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the grpc package it is being compiled against.
-const _ = grpc.SupportPackageIsVersion6
-
-// SeaweedFilerClient is the client API for SeaweedFiler service.
-//
-// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
-type SeaweedFilerClient interface {
-	LookupDirectoryEntry(ctx context.Context, in *LookupDirectoryEntryRequest, opts ...grpc.CallOption) (*LookupDirectoryEntryResponse, error)
-	ListEntries(ctx context.Context, in *ListEntriesRequest, opts ...grpc.CallOption) (SeaweedFiler_ListEntriesClient, error)
-	CreateEntry(ctx context.Context, in *CreateEntryRequest, opts ...grpc.CallOption) (*CreateEntryResponse, error)
-	UpdateEntry(ctx context.Context, in *UpdateEntryRequest, opts ...grpc.CallOption) (*UpdateEntryResponse, error)
-	AppendToEntry(ctx context.Context, in *AppendToEntryRequest, opts ...grpc.CallOption) (*AppendToEntryResponse, error)
-	DeleteEntry(ctx context.Context, in *DeleteEntryRequest, opts ...grpc.CallOption) (*DeleteEntryResponse, error)
-	AtomicRenameEntry(ctx context.Context, in *AtomicRenameEntryRequest, opts ...grpc.CallOption) (*AtomicRenameEntryResponse, error)
-	StreamRenameEntry(ctx context.Context, in *StreamRenameEntryRequest, opts ...grpc.CallOption) (SeaweedFiler_StreamRenameEntryClient, error)
-	AssignVolume(ctx context.Context, in *AssignVolumeRequest, opts ...grpc.CallOption) (*AssignVolumeResponse, error)
-	LookupVolume(ctx context.Context, in *LookupVolumeRequest, opts ...grpc.CallOption) (*LookupVolumeResponse, error)
-	CollectionList(ctx context.Context, in *CollectionListRequest, opts ...grpc.CallOption) (*CollectionListResponse, error)
-	DeleteCollection(ctx context.Context, in *DeleteCollectionRequest, opts ...grpc.CallOption) (*DeleteCollectionResponse, error)
-	Statistics(ctx context.Context, in *StatisticsRequest, opts ...grpc.CallOption) (*StatisticsResponse, error)
-	GetFilerConfiguration(ctx context.Context, in *GetFilerConfigurationRequest, opts ...grpc.CallOption) (*GetFilerConfigurationResponse, error)
-	SubscribeMetadata(ctx context.Context, in *SubscribeMetadataRequest, opts ...grpc.CallOption) (SeaweedFiler_SubscribeMetadataClient, error)
-	SubscribeLocalMetadata(ctx context.Context, in *SubscribeMetadataRequest, opts ...grpc.CallOption) (SeaweedFiler_SubscribeLocalMetadataClient, error)
-	KeepConnected(ctx context.Context, opts ...grpc.CallOption) (SeaweedFiler_KeepConnectedClient, error)
-	LocateBroker(ctx context.Context, in *LocateBrokerRequest, opts ...grpc.CallOption) (*LocateBrokerResponse, error)
-	KvGet(ctx context.Context, in *KvGetRequest, opts ...grpc.CallOption) (*KvGetResponse, error)
-	KvPut(ctx context.Context, in *KvPutRequest, opts ...grpc.CallOption) (*KvPutResponse, error)
-	CacheRemoteObjectToLocalCluster(ctx context.Context, in *CacheRemoteObjectToLocalClusterRequest, opts ...grpc.CallOption) (*CacheRemoteObjectToLocalClusterResponse, error)
-}
-
-type seaweedFilerClient struct {
-	cc grpc.ClientConnInterface
-}
-
-func NewSeaweedFilerClient(cc grpc.ClientConnInterface) SeaweedFilerClient {
-	return &seaweedFilerClient{cc}
-}
-
-func (c *seaweedFilerClient) LookupDirectoryEntry(ctx context.Context, in *LookupDirectoryEntryRequest, opts ...grpc.CallOption) (*LookupDirectoryEntryResponse, error) {
-	out := new(LookupDirectoryEntryResponse)
-	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/LookupDirectoryEntry", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedFilerClient) ListEntries(ctx context.Context, in *ListEntriesRequest, opts ...grpc.CallOption) (SeaweedFiler_ListEntriesClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_SeaweedFiler_serviceDesc.Streams[0], "/filer_pb.SeaweedFiler/ListEntries", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &seaweedFilerListEntriesClient{stream}
-	if err := x.ClientStream.SendMsg(in); err != nil {
-		return nil, err
-	}
-	if err := x.ClientStream.CloseSend(); err != nil {
-		return nil, err
-	}
-	return x, nil
-}
-
-type SeaweedFiler_ListEntriesClient interface {
-	Recv() (*ListEntriesResponse, error)
-	grpc.ClientStream
-}
-
-type seaweedFilerListEntriesClient struct {
-	grpc.ClientStream
-}
-
-func (x *seaweedFilerListEntriesClient) Recv() (*ListEntriesResponse, error) {
-	m := new(ListEntriesResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *seaweedFilerClient) CreateEntry(ctx context.Context, in *CreateEntryRequest, opts ...grpc.CallOption) (*CreateEntryResponse, error) {
-	out := new(CreateEntryResponse)
-	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/CreateEntry", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedFilerClient) UpdateEntry(ctx context.Context, in *UpdateEntryRequest, opts ...grpc.CallOption) (*UpdateEntryResponse, error) {
-	out := new(UpdateEntryResponse)
-	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/UpdateEntry", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedFilerClient) AppendToEntry(ctx context.Context, in *AppendToEntryRequest, opts ...grpc.CallOption) (*AppendToEntryResponse, error) {
-	out := new(AppendToEntryResponse)
-	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/AppendToEntry", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedFilerClient) DeleteEntry(ctx context.Context, in *DeleteEntryRequest, opts ...grpc.CallOption) (*DeleteEntryResponse, error) {
-	out := new(DeleteEntryResponse)
-	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/DeleteEntry", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedFilerClient) AtomicRenameEntry(ctx context.Context, in *AtomicRenameEntryRequest, opts ...grpc.CallOption) (*AtomicRenameEntryResponse, error) {
-	out := new(AtomicRenameEntryResponse)
-	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/AtomicRenameEntry", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedFilerClient) StreamRenameEntry(ctx context.Context, in *StreamRenameEntryRequest, opts ...grpc.CallOption) (SeaweedFiler_StreamRenameEntryClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_SeaweedFiler_serviceDesc.Streams[1], "/filer_pb.SeaweedFiler/StreamRenameEntry", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &seaweedFilerStreamRenameEntryClient{stream}
-	if err := x.ClientStream.SendMsg(in); err != nil {
-		return nil, err
-	}
-	if err := x.ClientStream.CloseSend(); err != nil {
-		return nil, err
-	}
-	return x, nil
-}
-
-type SeaweedFiler_StreamRenameEntryClient interface {
-	Recv() (*StreamRenameEntryResponse, error)
-	grpc.ClientStream
-}
-
-type seaweedFilerStreamRenameEntryClient struct {
-	grpc.ClientStream
-}
-
-func (x *seaweedFilerStreamRenameEntryClient) Recv() (*StreamRenameEntryResponse, error) {
-	m := new(StreamRenameEntryResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *seaweedFilerClient) AssignVolume(ctx context.Context, in *AssignVolumeRequest, opts ...grpc.CallOption) (*AssignVolumeResponse, error) {
-	out := new(AssignVolumeResponse)
-	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/AssignVolume", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedFilerClient) LookupVolume(ctx context.Context, in *LookupVolumeRequest, opts ...grpc.CallOption) (*LookupVolumeResponse, error) {
-	out := new(LookupVolumeResponse)
-	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/LookupVolume", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedFilerClient) CollectionList(ctx context.Context, in *CollectionListRequest, opts ...grpc.CallOption) (*CollectionListResponse, error) {
-	out := new(CollectionListResponse)
-	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/CollectionList", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedFilerClient) DeleteCollection(ctx context.Context, in *DeleteCollectionRequest, opts ...grpc.CallOption) (*DeleteCollectionResponse, error) {
-	out := new(DeleteCollectionResponse)
-	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/DeleteCollection", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedFilerClient) Statistics(ctx context.Context, in *StatisticsRequest, opts ...grpc.CallOption) (*StatisticsResponse, error) {
-	out := new(StatisticsResponse)
-	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/Statistics", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedFilerClient) GetFilerConfiguration(ctx context.Context, in *GetFilerConfigurationRequest, opts ...grpc.CallOption) (*GetFilerConfigurationResponse, error) {
-	out := new(GetFilerConfigurationResponse)
-	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/GetFilerConfiguration", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedFilerClient) SubscribeMetadata(ctx context.Context, in *SubscribeMetadataRequest, opts ...grpc.CallOption) (SeaweedFiler_SubscribeMetadataClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_SeaweedFiler_serviceDesc.Streams[2], "/filer_pb.SeaweedFiler/SubscribeMetadata", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &seaweedFilerSubscribeMetadataClient{stream}
-	if err := x.ClientStream.SendMsg(in); err != nil {
-		return nil, err
-	}
-	if err := x.ClientStream.CloseSend(); err != nil {
-		return nil, err
-	}
-	return x, nil
-}
-
-type SeaweedFiler_SubscribeMetadataClient interface {
-	Recv() (*SubscribeMetadataResponse, error)
-	grpc.ClientStream
-}
-
-type seaweedFilerSubscribeMetadataClient struct {
-	grpc.ClientStream
-}
-
-func (x *seaweedFilerSubscribeMetadataClient) Recv() (*SubscribeMetadataResponse, error) {
-	m := new(SubscribeMetadataResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *seaweedFilerClient) SubscribeLocalMetadata(ctx context.Context, in *SubscribeMetadataRequest, opts ...grpc.CallOption) (SeaweedFiler_SubscribeLocalMetadataClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_SeaweedFiler_serviceDesc.Streams[3], "/filer_pb.SeaweedFiler/SubscribeLocalMetadata", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &seaweedFilerSubscribeLocalMetadataClient{stream}
-	if err := x.ClientStream.SendMsg(in); err != nil {
-		return nil, err
-	}
-	if err := x.ClientStream.CloseSend(); err != nil {
-		return nil, err
-	}
-	return x, nil
-}
-
-type SeaweedFiler_SubscribeLocalMetadataClient interface {
-	Recv() (*SubscribeMetadataResponse, error)
-	grpc.ClientStream
-}
-
-type seaweedFilerSubscribeLocalMetadataClient struct {
-	grpc.ClientStream
-}
-
-func (x *seaweedFilerSubscribeLocalMetadataClient) Recv() (*SubscribeMetadataResponse, error) {
-	m := new(SubscribeMetadataResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *seaweedFilerClient) KeepConnected(ctx context.Context, opts ...grpc.CallOption) (SeaweedFiler_KeepConnectedClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_SeaweedFiler_serviceDesc.Streams[4], "/filer_pb.SeaweedFiler/KeepConnected", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &seaweedFilerKeepConnectedClient{stream}
-	return x, nil
-}
-
-type SeaweedFiler_KeepConnectedClient interface {
-	Send(*KeepConnectedRequest) error
-	Recv() (*KeepConnectedResponse, error)
-	grpc.ClientStream
-}
-
-type seaweedFilerKeepConnectedClient struct {
-	grpc.ClientStream
-}
-
-func (x *seaweedFilerKeepConnectedClient) Send(m *KeepConnectedRequest) error {
-	return x.ClientStream.SendMsg(m)
-}
-
-func (x *seaweedFilerKeepConnectedClient) Recv() (*KeepConnectedResponse, error) {
-	m := new(KeepConnectedResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *seaweedFilerClient) LocateBroker(ctx context.Context, in *LocateBrokerRequest, opts ...grpc.CallOption) (*LocateBrokerResponse, error) {
-	out := new(LocateBrokerResponse)
-	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/LocateBroker", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedFilerClient) KvGet(ctx context.Context, in *KvGetRequest, opts ...grpc.CallOption) (*KvGetResponse, error) {
-	out := new(KvGetResponse)
-	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/KvGet", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedFilerClient) KvPut(ctx context.Context, in *KvPutRequest, opts ...grpc.CallOption) (*KvPutResponse, error) {
-	out := new(KvPutResponse)
-	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/KvPut", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedFilerClient) CacheRemoteObjectToLocalCluster(ctx context.Context, in *CacheRemoteObjectToLocalClusterRequest, opts ...grpc.CallOption) (*CacheRemoteObjectToLocalClusterResponse, error) {
-	out := new(CacheRemoteObjectToLocalClusterResponse)
-	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/CacheRemoteObjectToLocalCluster", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-// SeaweedFilerServer is the server API for SeaweedFiler service.
-type SeaweedFilerServer interface {
-	LookupDirectoryEntry(context.Context, *LookupDirectoryEntryRequest) (*LookupDirectoryEntryResponse, error)
-	ListEntries(*ListEntriesRequest, SeaweedFiler_ListEntriesServer) error
-	CreateEntry(context.Context, *CreateEntryRequest) (*CreateEntryResponse, error)
-	UpdateEntry(context.Context, *UpdateEntryRequest) (*UpdateEntryResponse, error)
-	AppendToEntry(context.Context, *AppendToEntryRequest) (*AppendToEntryResponse, error)
-	DeleteEntry(context.Context, *DeleteEntryRequest) (*DeleteEntryResponse, error)
-	AtomicRenameEntry(context.Context, *AtomicRenameEntryRequest) (*AtomicRenameEntryResponse, error)
-	StreamRenameEntry(*StreamRenameEntryRequest, SeaweedFiler_StreamRenameEntryServer) error
-	AssignVolume(context.Context, *AssignVolumeRequest) (*AssignVolumeResponse, error)
-	LookupVolume(context.Context, *LookupVolumeRequest) (*LookupVolumeResponse, error)
-	CollectionList(context.Context, *CollectionListRequest) (*CollectionListResponse, error)
-	DeleteCollection(context.Context, *DeleteCollectionRequest) (*DeleteCollectionResponse, error)
-	Statistics(context.Context, *StatisticsRequest) (*StatisticsResponse, error)
-	GetFilerConfiguration(context.Context, *GetFilerConfigurationRequest) (*GetFilerConfigurationResponse, error)
-	SubscribeMetadata(*SubscribeMetadataRequest, SeaweedFiler_SubscribeMetadataServer) error
-	SubscribeLocalMetadata(*SubscribeMetadataRequest, SeaweedFiler_SubscribeLocalMetadataServer) error
-	KeepConnected(SeaweedFiler_KeepConnectedServer) error
-	LocateBroker(context.Context, *LocateBrokerRequest) (*LocateBrokerResponse, error)
-	KvGet(context.Context, *KvGetRequest) (*KvGetResponse, error)
-	KvPut(context.Context, *KvPutRequest) (*KvPutResponse, error)
-	CacheRemoteObjectToLocalCluster(context.Context, *CacheRemoteObjectToLocalClusterRequest) (*CacheRemoteObjectToLocalClusterResponse, error)
-}
-
-// UnimplementedSeaweedFilerServer can be embedded to have forward compatible implementations.
-type UnimplementedSeaweedFilerServer struct {
-}
-
-func (*UnimplementedSeaweedFilerServer) LookupDirectoryEntry(context.Context, *LookupDirectoryEntryRequest) (*LookupDirectoryEntryResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method LookupDirectoryEntry not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) ListEntries(*ListEntriesRequest, SeaweedFiler_ListEntriesServer) error {
-	return status.Errorf(codes.Unimplemented, "method ListEntries not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) CreateEntry(context.Context, *CreateEntryRequest) (*CreateEntryResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method CreateEntry not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) UpdateEntry(context.Context, *UpdateEntryRequest) (*UpdateEntryResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method UpdateEntry not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) AppendToEntry(context.Context, *AppendToEntryRequest) (*AppendToEntryResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method AppendToEntry not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) DeleteEntry(context.Context, *DeleteEntryRequest) (*DeleteEntryResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method DeleteEntry not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) AtomicRenameEntry(context.Context, *AtomicRenameEntryRequest) (*AtomicRenameEntryResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method AtomicRenameEntry not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) StreamRenameEntry(*StreamRenameEntryRequest, SeaweedFiler_StreamRenameEntryServer) error {
-	return status.Errorf(codes.Unimplemented, "method StreamRenameEntry not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) AssignVolume(context.Context, *AssignVolumeRequest) (*AssignVolumeResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method AssignVolume not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) LookupVolume(context.Context, *LookupVolumeRequest) (*LookupVolumeResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method LookupVolume not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) CollectionList(context.Context, *CollectionListRequest) (*CollectionListResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method CollectionList not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) DeleteCollection(context.Context, *DeleteCollectionRequest) (*DeleteCollectionResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method DeleteCollection not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) Statistics(context.Context, *StatisticsRequest) (*StatisticsResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method Statistics not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) GetFilerConfiguration(context.Context, *GetFilerConfigurationRequest) (*GetFilerConfigurationResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method GetFilerConfiguration not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) SubscribeMetadata(*SubscribeMetadataRequest, SeaweedFiler_SubscribeMetadataServer) error {
-	return status.Errorf(codes.Unimplemented, "method SubscribeMetadata not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) SubscribeLocalMetadata(*SubscribeMetadataRequest, SeaweedFiler_SubscribeLocalMetadataServer) error {
-	return status.Errorf(codes.Unimplemented, "method SubscribeLocalMetadata not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) KeepConnected(SeaweedFiler_KeepConnectedServer) error {
-	return status.Errorf(codes.Unimplemented, "method KeepConnected not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) LocateBroker(context.Context, *LocateBrokerRequest) (*LocateBrokerResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method LocateBroker not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) KvGet(context.Context, *KvGetRequest) (*KvGetResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method KvGet not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) KvPut(context.Context, *KvPutRequest) (*KvPutResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method KvPut not implemented")
-}
-func (*UnimplementedSeaweedFilerServer) CacheRemoteObjectToLocalCluster(context.Context, *CacheRemoteObjectToLocalClusterRequest) (*CacheRemoteObjectToLocalClusterResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method CacheRemoteObjectToLocalCluster not implemented")
-}
-
-func RegisterSeaweedFilerServer(s *grpc.Server, srv SeaweedFilerServer) {
-	s.RegisterService(&_SeaweedFiler_serviceDesc, srv)
-}
-
-func _SeaweedFiler_LookupDirectoryEntry_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(LookupDirectoryEntryRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedFilerServer).LookupDirectoryEntry(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/filer_pb.SeaweedFiler/LookupDirectoryEntry",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedFilerServer).LookupDirectoryEntry(ctx, req.(*LookupDirectoryEntryRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _SeaweedFiler_ListEntries_Handler(srv interface{}, stream grpc.ServerStream) error {
-	m := new(ListEntriesRequest)
-	if err := stream.RecvMsg(m); err != nil {
-		return err
-	}
-	return srv.(SeaweedFilerServer).ListEntries(m, &seaweedFilerListEntriesServer{stream})
-}
-
-type SeaweedFiler_ListEntriesServer interface {
-	Send(*ListEntriesResponse) error
-	grpc.ServerStream
-}
-
-type seaweedFilerListEntriesServer struct {
-	grpc.ServerStream
-}
-
-func (x *seaweedFilerListEntriesServer) Send(m *ListEntriesResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func _SeaweedFiler_CreateEntry_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(CreateEntryRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedFilerServer).CreateEntry(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/filer_pb.SeaweedFiler/CreateEntry",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedFilerServer).CreateEntry(ctx, req.(*CreateEntryRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _SeaweedFiler_UpdateEntry_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(UpdateEntryRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedFilerServer).UpdateEntry(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/filer_pb.SeaweedFiler/UpdateEntry",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedFilerServer).UpdateEntry(ctx, req.(*UpdateEntryRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _SeaweedFiler_AppendToEntry_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(AppendToEntryRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedFilerServer).AppendToEntry(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/filer_pb.SeaweedFiler/AppendToEntry",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedFilerServer).AppendToEntry(ctx, req.(*AppendToEntryRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _SeaweedFiler_DeleteEntry_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(DeleteEntryRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedFilerServer).DeleteEntry(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/filer_pb.SeaweedFiler/DeleteEntry",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedFilerServer).DeleteEntry(ctx, req.(*DeleteEntryRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _SeaweedFiler_AtomicRenameEntry_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(AtomicRenameEntryRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedFilerServer).AtomicRenameEntry(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/filer_pb.SeaweedFiler/AtomicRenameEntry",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedFilerServer).AtomicRenameEntry(ctx, req.(*AtomicRenameEntryRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _SeaweedFiler_StreamRenameEntry_Handler(srv interface{}, stream grpc.ServerStream) error {
-	m := new(StreamRenameEntryRequest)
-	if err := stream.RecvMsg(m); err != nil {
-		return err
-	}
-	return srv.(SeaweedFilerServer).StreamRenameEntry(m, &seaweedFilerStreamRenameEntryServer{stream})
-}
-
-type SeaweedFiler_StreamRenameEntryServer interface {
-	Send(*StreamRenameEntryResponse) error
-	grpc.ServerStream
-}
-
-type seaweedFilerStreamRenameEntryServer struct {
-	grpc.ServerStream
-}
-
-func (x *seaweedFilerStreamRenameEntryServer) Send(m *StreamRenameEntryResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func _SeaweedFiler_AssignVolume_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(AssignVolumeRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedFilerServer).AssignVolume(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/filer_pb.SeaweedFiler/AssignVolume",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedFilerServer).AssignVolume(ctx, req.(*AssignVolumeRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _SeaweedFiler_LookupVolume_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(LookupVolumeRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedFilerServer).LookupVolume(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/filer_pb.SeaweedFiler/LookupVolume",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedFilerServer).LookupVolume(ctx, req.(*LookupVolumeRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _SeaweedFiler_CollectionList_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(CollectionListRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedFilerServer).CollectionList(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/filer_pb.SeaweedFiler/CollectionList",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedFilerServer).CollectionList(ctx, req.(*CollectionListRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _SeaweedFiler_DeleteCollection_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(DeleteCollectionRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedFilerServer).DeleteCollection(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/filer_pb.SeaweedFiler/DeleteCollection",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedFilerServer).DeleteCollection(ctx, req.(*DeleteCollectionRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _SeaweedFiler_Statistics_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(StatisticsRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedFilerServer).Statistics(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/filer_pb.SeaweedFiler/Statistics",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedFilerServer).Statistics(ctx, req.(*StatisticsRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _SeaweedFiler_GetFilerConfiguration_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(GetFilerConfigurationRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedFilerServer).GetFilerConfiguration(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/filer_pb.SeaweedFiler/GetFilerConfiguration",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedFilerServer).GetFilerConfiguration(ctx, req.(*GetFilerConfigurationRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _SeaweedFiler_SubscribeMetadata_Handler(srv interface{}, stream grpc.ServerStream) error {
-	m := new(SubscribeMetadataRequest)
-	if err := stream.RecvMsg(m); err != nil {
-		return err
-	}
-	return srv.(SeaweedFilerServer).SubscribeMetadata(m, &seaweedFilerSubscribeMetadataServer{stream})
-}
-
-type SeaweedFiler_SubscribeMetadataServer interface {
-	Send(*SubscribeMetadataResponse) error
-	grpc.ServerStream
-}
-
-type seaweedFilerSubscribeMetadataServer struct {
-	grpc.ServerStream
-}
-
-func (x *seaweedFilerSubscribeMetadataServer) Send(m *SubscribeMetadataResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func _SeaweedFiler_SubscribeLocalMetadata_Handler(srv interface{}, stream grpc.ServerStream) error {
-	m := new(SubscribeMetadataRequest)
-	if err := stream.RecvMsg(m); err != nil {
-		return err
-	}
-	return srv.(SeaweedFilerServer).SubscribeLocalMetadata(m, &seaweedFilerSubscribeLocalMetadataServer{stream})
-}
-
-type SeaweedFiler_SubscribeLocalMetadataServer interface {
-	Send(*SubscribeMetadataResponse) error
-	grpc.ServerStream
-}
-
-type seaweedFilerSubscribeLocalMetadataServer struct {
-	grpc.ServerStream
-}
-
-func (x *seaweedFilerSubscribeLocalMetadataServer) Send(m *SubscribeMetadataResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func _SeaweedFiler_KeepConnected_Handler(srv interface{}, stream grpc.ServerStream) error {
-	return srv.(SeaweedFilerServer).KeepConnected(&seaweedFilerKeepConnectedServer{stream})
-}
-
-type SeaweedFiler_KeepConnectedServer interface {
-	Send(*KeepConnectedResponse) error
-	Recv() (*KeepConnectedRequest, error)
-	grpc.ServerStream
-}
-
-type seaweedFilerKeepConnectedServer struct {
-	grpc.ServerStream
-}
-
-func (x *seaweedFilerKeepConnectedServer) Send(m *KeepConnectedResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func (x *seaweedFilerKeepConnectedServer) Recv() (*KeepConnectedRequest, error) {
-	m := new(KeepConnectedRequest)
-	if err := x.ServerStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func _SeaweedFiler_LocateBroker_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(LocateBrokerRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedFilerServer).LocateBroker(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/filer_pb.SeaweedFiler/LocateBroker",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedFilerServer).LocateBroker(ctx, req.(*LocateBrokerRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _SeaweedFiler_KvGet_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(KvGetRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedFilerServer).KvGet(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/filer_pb.SeaweedFiler/KvGet",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedFilerServer).KvGet(ctx, req.(*KvGetRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _SeaweedFiler_KvPut_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(KvPutRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedFilerServer).KvPut(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/filer_pb.SeaweedFiler/KvPut",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedFilerServer).KvPut(ctx, req.(*KvPutRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _SeaweedFiler_CacheRemoteObjectToLocalCluster_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(CacheRemoteObjectToLocalClusterRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedFilerServer).CacheRemoteObjectToLocalCluster(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/filer_pb.SeaweedFiler/CacheRemoteObjectToLocalCluster",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedFilerServer).CacheRemoteObjectToLocalCluster(ctx, req.(*CacheRemoteObjectToLocalClusterRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-var _SeaweedFiler_serviceDesc = grpc.ServiceDesc{
-	ServiceName: "filer_pb.SeaweedFiler",
-	HandlerType: (*SeaweedFilerServer)(nil),
-	Methods: []grpc.MethodDesc{
-		{
-			MethodName: "LookupDirectoryEntry",
-			Handler:    _SeaweedFiler_LookupDirectoryEntry_Handler,
-		},
-		{
-			MethodName: "CreateEntry",
-			Handler:    _SeaweedFiler_CreateEntry_Handler,
-		},
-		{
-			MethodName: "UpdateEntry",
-			Handler:    _SeaweedFiler_UpdateEntry_Handler,
-		},
-		{
-			MethodName: "AppendToEntry",
-			Handler:    _SeaweedFiler_AppendToEntry_Handler,
-		},
-		{
-			MethodName: "DeleteEntry",
-			Handler:    _SeaweedFiler_DeleteEntry_Handler,
-		},
-		{
-			MethodName: "AtomicRenameEntry",
-			Handler:    _SeaweedFiler_AtomicRenameEntry_Handler,
-		},
-		{
-			MethodName: "AssignVolume",
-			Handler:    _SeaweedFiler_AssignVolume_Handler,
-		},
-		{
-			MethodName: "LookupVolume",
-			Handler:    _SeaweedFiler_LookupVolume_Handler,
-		},
-		{
-			MethodName: "CollectionList",
-			Handler:    _SeaweedFiler_CollectionList_Handler,
-		},
-		{
-			MethodName: "DeleteCollection",
-			Handler:    _SeaweedFiler_DeleteCollection_Handler,
-		},
-		{
-			MethodName: "Statistics",
-			Handler:    _SeaweedFiler_Statistics_Handler,
-		},
-		{
-			MethodName: "GetFilerConfiguration",
-			Handler:    _SeaweedFiler_GetFilerConfiguration_Handler,
-		},
-		{
-			MethodName: "LocateBroker",
-			Handler:    _SeaweedFiler_LocateBroker_Handler,
-		},
-		{
-			MethodName: "KvGet",
-			Handler:    _SeaweedFiler_KvGet_Handler,
-		},
-		{
-			MethodName: "KvPut",
-			Handler:    _SeaweedFiler_KvPut_Handler,
-		},
-		{
-			MethodName: "CacheRemoteObjectToLocalCluster",
-			Handler:    _SeaweedFiler_CacheRemoteObjectToLocalCluster_Handler,
-		},
-	},
-	Streams: []grpc.StreamDesc{
-		{
-			StreamName:    "ListEntries",
-			Handler:       _SeaweedFiler_ListEntries_Handler,
-			ServerStreams: true,
-		},
-		{
-			StreamName:    "StreamRenameEntry",
-			Handler:       _SeaweedFiler_StreamRenameEntry_Handler,
-			ServerStreams: true,
-		},
-		{
-			StreamName:    "SubscribeMetadata",
-			Handler:       _SeaweedFiler_SubscribeMetadata_Handler,
-			ServerStreams: true,
-		},
-		{
-			StreamName:    "SubscribeLocalMetadata",
-			Handler:       _SeaweedFiler_SubscribeLocalMetadata_Handler,
-			ServerStreams: true,
-		},
-		{
-			StreamName:    "KeepConnected",
-			Handler:       _SeaweedFiler_KeepConnected_Handler,
-			ServerStreams: true,
-			ClientStreams: true,
-		},
-	},
-	Metadata: "filer.proto",
-}
diff --git a/weed/pb/filer_pb/filer_grpc.pb.go b/weed/pb/filer_pb/filer_grpc.pb.go
new file mode 100644
index 000000000..02302d317
--- /dev/null
+++ b/weed/pb/filer_pb/filer_grpc.pb.go
@@ -0,0 +1,962 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+
+package filer_pb
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// SeaweedFilerClient is the client API for SeaweedFiler service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type SeaweedFilerClient interface {
+	LookupDirectoryEntry(ctx context.Context, in *LookupDirectoryEntryRequest, opts ...grpc.CallOption) (*LookupDirectoryEntryResponse, error)
+	ListEntries(ctx context.Context, in *ListEntriesRequest, opts ...grpc.CallOption) (SeaweedFiler_ListEntriesClient, error)
+	CreateEntry(ctx context.Context, in *CreateEntryRequest, opts ...grpc.CallOption) (*CreateEntryResponse, error)
+	UpdateEntry(ctx context.Context, in *UpdateEntryRequest, opts ...grpc.CallOption) (*UpdateEntryResponse, error)
+	AppendToEntry(ctx context.Context, in *AppendToEntryRequest, opts ...grpc.CallOption) (*AppendToEntryResponse, error)
+	DeleteEntry(ctx context.Context, in *DeleteEntryRequest, opts ...grpc.CallOption) (*DeleteEntryResponse, error)
+	AtomicRenameEntry(ctx context.Context, in *AtomicRenameEntryRequest, opts ...grpc.CallOption) (*AtomicRenameEntryResponse, error)
+	StreamRenameEntry(ctx context.Context, in *StreamRenameEntryRequest, opts ...grpc.CallOption) (SeaweedFiler_StreamRenameEntryClient, error)
+	AssignVolume(ctx context.Context, in *AssignVolumeRequest, opts ...grpc.CallOption) (*AssignVolumeResponse, error)
+	LookupVolume(ctx context.Context, in *LookupVolumeRequest, opts ...grpc.CallOption) (*LookupVolumeResponse, error)
+	CollectionList(ctx context.Context, in *CollectionListRequest, opts ...grpc.CallOption) (*CollectionListResponse, error)
+	DeleteCollection(ctx context.Context, in *DeleteCollectionRequest, opts ...grpc.CallOption) (*DeleteCollectionResponse, error)
+	Statistics(ctx context.Context, in *StatisticsRequest, opts ...grpc.CallOption) (*StatisticsResponse, error)
+	GetFilerConfiguration(ctx context.Context, in *GetFilerConfigurationRequest, opts ...grpc.CallOption) (*GetFilerConfigurationResponse, error)
+	SubscribeMetadata(ctx context.Context, in *SubscribeMetadataRequest, opts ...grpc.CallOption) (SeaweedFiler_SubscribeMetadataClient, error)
+	SubscribeLocalMetadata(ctx context.Context, in *SubscribeMetadataRequest, opts ...grpc.CallOption) (SeaweedFiler_SubscribeLocalMetadataClient, error)
+	KeepConnected(ctx context.Context, opts ...grpc.CallOption) (SeaweedFiler_KeepConnectedClient, error)
+	LocateBroker(ctx context.Context, in *LocateBrokerRequest, opts ...grpc.CallOption) (*LocateBrokerResponse, error)
+	KvGet(ctx context.Context, in *KvGetRequest, opts ...grpc.CallOption) (*KvGetResponse, error)
+	KvPut(ctx context.Context, in *KvPutRequest, opts ...grpc.CallOption) (*KvPutResponse, error)
+	CacheRemoteObjectToLocalCluster(ctx context.Context, in *CacheRemoteObjectToLocalClusterRequest, opts ...grpc.CallOption) (*CacheRemoteObjectToLocalClusterResponse, error)
+}
+
+type seaweedFilerClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewSeaweedFilerClient(cc grpc.ClientConnInterface) SeaweedFilerClient {
+	return &seaweedFilerClient{cc}
+}
+
+func (c *seaweedFilerClient) LookupDirectoryEntry(ctx context.Context, in *LookupDirectoryEntryRequest, opts ...grpc.CallOption) (*LookupDirectoryEntryResponse, error) {
+	out := new(LookupDirectoryEntryResponse)
+	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/LookupDirectoryEntry", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedFilerClient) ListEntries(ctx context.Context, in *ListEntriesRequest, opts ...grpc.CallOption) (SeaweedFiler_ListEntriesClient, error) {
+	stream, err := c.cc.NewStream(ctx, &SeaweedFiler_ServiceDesc.Streams[0], "/filer_pb.SeaweedFiler/ListEntries", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &seaweedFilerListEntriesClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type SeaweedFiler_ListEntriesClient interface {
+	Recv() (*ListEntriesResponse, error)
+	grpc.ClientStream
+}
+
+type seaweedFilerListEntriesClient struct {
+	grpc.ClientStream
+}
+
+func (x *seaweedFilerListEntriesClient) Recv() (*ListEntriesResponse, error) {
+	m := new(ListEntriesResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *seaweedFilerClient) CreateEntry(ctx context.Context, in *CreateEntryRequest, opts ...grpc.CallOption) (*CreateEntryResponse, error) {
+	out := new(CreateEntryResponse)
+	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/CreateEntry", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedFilerClient) UpdateEntry(ctx context.Context, in *UpdateEntryRequest, opts ...grpc.CallOption) (*UpdateEntryResponse, error) {
+	out := new(UpdateEntryResponse)
+	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/UpdateEntry", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedFilerClient) AppendToEntry(ctx context.Context, in *AppendToEntryRequest, opts ...grpc.CallOption) (*AppendToEntryResponse, error) {
+	out := new(AppendToEntryResponse)
+	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/AppendToEntry", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedFilerClient) DeleteEntry(ctx context.Context, in *DeleteEntryRequest, opts ...grpc.CallOption) (*DeleteEntryResponse, error) {
+	out := new(DeleteEntryResponse)
+	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/DeleteEntry", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedFilerClient) AtomicRenameEntry(ctx context.Context, in *AtomicRenameEntryRequest, opts ...grpc.CallOption) (*AtomicRenameEntryResponse, error) {
+	out := new(AtomicRenameEntryResponse)
+	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/AtomicRenameEntry", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedFilerClient) StreamRenameEntry(ctx context.Context, in *StreamRenameEntryRequest, opts ...grpc.CallOption) (SeaweedFiler_StreamRenameEntryClient, error) {
+	stream, err := c.cc.NewStream(ctx, &SeaweedFiler_ServiceDesc.Streams[1], "/filer_pb.SeaweedFiler/StreamRenameEntry", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &seaweedFilerStreamRenameEntryClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type SeaweedFiler_StreamRenameEntryClient interface {
+	Recv() (*StreamRenameEntryResponse, error)
+	grpc.ClientStream
+}
+
+type seaweedFilerStreamRenameEntryClient struct {
+	grpc.ClientStream
+}
+
+func (x *seaweedFilerStreamRenameEntryClient) Recv() (*StreamRenameEntryResponse, error) {
+	m := new(StreamRenameEntryResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *seaweedFilerClient) AssignVolume(ctx context.Context, in *AssignVolumeRequest, opts ...grpc.CallOption) (*AssignVolumeResponse, error) {
+	out := new(AssignVolumeResponse)
+	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/AssignVolume", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedFilerClient) LookupVolume(ctx context.Context, in *LookupVolumeRequest, opts ...grpc.CallOption) (*LookupVolumeResponse, error) {
+	out := new(LookupVolumeResponse)
+	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/LookupVolume", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedFilerClient) CollectionList(ctx context.Context, in *CollectionListRequest, opts ...grpc.CallOption) (*CollectionListResponse, error) {
+	out := new(CollectionListResponse)
+	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/CollectionList", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedFilerClient) DeleteCollection(ctx context.Context, in *DeleteCollectionRequest, opts ...grpc.CallOption) (*DeleteCollectionResponse, error) {
+	out := new(DeleteCollectionResponse)
+	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/DeleteCollection", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedFilerClient) Statistics(ctx context.Context, in *StatisticsRequest, opts ...grpc.CallOption) (*StatisticsResponse, error) {
+	out := new(StatisticsResponse)
+	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/Statistics", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedFilerClient) GetFilerConfiguration(ctx context.Context, in *GetFilerConfigurationRequest, opts ...grpc.CallOption) (*GetFilerConfigurationResponse, error) {
+	out := new(GetFilerConfigurationResponse)
+	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/GetFilerConfiguration", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedFilerClient) SubscribeMetadata(ctx context.Context, in *SubscribeMetadataRequest, opts ...grpc.CallOption) (SeaweedFiler_SubscribeMetadataClient, error) {
+	stream, err := c.cc.NewStream(ctx, &SeaweedFiler_ServiceDesc.Streams[2], "/filer_pb.SeaweedFiler/SubscribeMetadata", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &seaweedFilerSubscribeMetadataClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type SeaweedFiler_SubscribeMetadataClient interface {
+	Recv() (*SubscribeMetadataResponse, error)
+	grpc.ClientStream
+}
+
+type seaweedFilerSubscribeMetadataClient struct {
+	grpc.ClientStream
+}
+
+func (x *seaweedFilerSubscribeMetadataClient) Recv() (*SubscribeMetadataResponse, error) {
+	m := new(SubscribeMetadataResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *seaweedFilerClient) SubscribeLocalMetadata(ctx context.Context, in *SubscribeMetadataRequest, opts ...grpc.CallOption) (SeaweedFiler_SubscribeLocalMetadataClient, error) {
+	stream, err := c.cc.NewStream(ctx, &SeaweedFiler_ServiceDesc.Streams[3], "/filer_pb.SeaweedFiler/SubscribeLocalMetadata", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &seaweedFilerSubscribeLocalMetadataClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type SeaweedFiler_SubscribeLocalMetadataClient interface {
+	Recv() (*SubscribeMetadataResponse, error)
+	grpc.ClientStream
+}
+
+type seaweedFilerSubscribeLocalMetadataClient struct {
+	grpc.ClientStream
+}
+
+func (x *seaweedFilerSubscribeLocalMetadataClient) Recv() (*SubscribeMetadataResponse, error) {
+	m := new(SubscribeMetadataResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *seaweedFilerClient) KeepConnected(ctx context.Context, opts ...grpc.CallOption) (SeaweedFiler_KeepConnectedClient, error) {
+	stream, err := c.cc.NewStream(ctx, &SeaweedFiler_ServiceDesc.Streams[4], "/filer_pb.SeaweedFiler/KeepConnected", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &seaweedFilerKeepConnectedClient{stream}
+	return x, nil
+}
+
+type SeaweedFiler_KeepConnectedClient interface {
+	Send(*KeepConnectedRequest) error
+	Recv() (*KeepConnectedResponse, error)
+	grpc.ClientStream
+}
+
+type seaweedFilerKeepConnectedClient struct {
+	grpc.ClientStream
+}
+
+func (x *seaweedFilerKeepConnectedClient) Send(m *KeepConnectedRequest) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *seaweedFilerKeepConnectedClient) Recv() (*KeepConnectedResponse, error) {
+	m := new(KeepConnectedResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *seaweedFilerClient) LocateBroker(ctx context.Context, in *LocateBrokerRequest, opts ...grpc.CallOption) (*LocateBrokerResponse, error) {
+	out := new(LocateBrokerResponse)
+	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/LocateBroker", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedFilerClient) KvGet(ctx context.Context, in *KvGetRequest, opts ...grpc.CallOption) (*KvGetResponse, error) {
+	out := new(KvGetResponse)
+	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/KvGet", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedFilerClient) KvPut(ctx context.Context, in *KvPutRequest, opts ...grpc.CallOption) (*KvPutResponse, error) {
+	out := new(KvPutResponse)
+	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/KvPut", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedFilerClient) CacheRemoteObjectToLocalCluster(ctx context.Context, in *CacheRemoteObjectToLocalClusterRequest, opts ...grpc.CallOption) (*CacheRemoteObjectToLocalClusterResponse, error) {
+	out := new(CacheRemoteObjectToLocalClusterResponse)
+	err := c.cc.Invoke(ctx, "/filer_pb.SeaweedFiler/CacheRemoteObjectToLocalCluster", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// SeaweedFilerServer is the server API for SeaweedFiler service.
+// All implementations must embed UnimplementedSeaweedFilerServer
+// for forward compatibility
+type SeaweedFilerServer interface {
+	LookupDirectoryEntry(context.Context, *LookupDirectoryEntryRequest) (*LookupDirectoryEntryResponse, error)
+	ListEntries(*ListEntriesRequest, SeaweedFiler_ListEntriesServer) error
+	CreateEntry(context.Context, *CreateEntryRequest) (*CreateEntryResponse, error)
+	UpdateEntry(context.Context, *UpdateEntryRequest) (*UpdateEntryResponse, error)
+	AppendToEntry(context.Context, *AppendToEntryRequest) (*AppendToEntryResponse, error)
+	DeleteEntry(context.Context, *DeleteEntryRequest) (*DeleteEntryResponse, error)
+	AtomicRenameEntry(context.Context, *AtomicRenameEntryRequest) (*AtomicRenameEntryResponse, error)
+	StreamRenameEntry(*StreamRenameEntryRequest, SeaweedFiler_StreamRenameEntryServer) error
+	AssignVolume(context.Context, *AssignVolumeRequest) (*AssignVolumeResponse, error)
+	LookupVolume(context.Context, *LookupVolumeRequest) (*LookupVolumeResponse, error)
+	CollectionList(context.Context, *CollectionListRequest) (*CollectionListResponse, error)
+	DeleteCollection(context.Context, *DeleteCollectionRequest) (*DeleteCollectionResponse, error)
+	Statistics(context.Context, *StatisticsRequest) (*StatisticsResponse, error)
+	GetFilerConfiguration(context.Context, *GetFilerConfigurationRequest) (*GetFilerConfigurationResponse, error)
+	SubscribeMetadata(*SubscribeMetadataRequest, SeaweedFiler_SubscribeMetadataServer) error
+	SubscribeLocalMetadata(*SubscribeMetadataRequest, SeaweedFiler_SubscribeLocalMetadataServer) error
+	KeepConnected(SeaweedFiler_KeepConnectedServer) error
+	LocateBroker(context.Context, *LocateBrokerRequest) (*LocateBrokerResponse, error)
+	KvGet(context.Context, *KvGetRequest) (*KvGetResponse, error)
+	KvPut(context.Context, *KvPutRequest) (*KvPutResponse, error)
+	CacheRemoteObjectToLocalCluster(context.Context, *CacheRemoteObjectToLocalClusterRequest) (*CacheRemoteObjectToLocalClusterResponse, error)
+	mustEmbedUnimplementedSeaweedFilerServer()
+}
+
+// UnimplementedSeaweedFilerServer must be embedded to have forward compatible implementations.
+type UnimplementedSeaweedFilerServer struct {
+}
+
+func (UnimplementedSeaweedFilerServer) LookupDirectoryEntry(context.Context, *LookupDirectoryEntryRequest) (*LookupDirectoryEntryResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method LookupDirectoryEntry not implemented")
+}
+func (UnimplementedSeaweedFilerServer) ListEntries(*ListEntriesRequest, SeaweedFiler_ListEntriesServer) error {
+	return status.Errorf(codes.Unimplemented, "method ListEntries not implemented")
+}
+func (UnimplementedSeaweedFilerServer) CreateEntry(context.Context, *CreateEntryRequest) (*CreateEntryResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CreateEntry not implemented")
+}
+func (UnimplementedSeaweedFilerServer) UpdateEntry(context.Context, *UpdateEntryRequest) (*UpdateEntryResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method UpdateEntry not implemented")
+}
+func (UnimplementedSeaweedFilerServer) AppendToEntry(context.Context, *AppendToEntryRequest) (*AppendToEntryResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method AppendToEntry not implemented")
+}
+func (UnimplementedSeaweedFilerServer) DeleteEntry(context.Context, *DeleteEntryRequest) (*DeleteEntryResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DeleteEntry not implemented")
+}
+func (UnimplementedSeaweedFilerServer) AtomicRenameEntry(context.Context, *AtomicRenameEntryRequest) (*AtomicRenameEntryResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method AtomicRenameEntry not implemented")
+}
+func (UnimplementedSeaweedFilerServer) StreamRenameEntry(*StreamRenameEntryRequest, SeaweedFiler_StreamRenameEntryServer) error {
+	return status.Errorf(codes.Unimplemented, "method StreamRenameEntry not implemented")
+}
+func (UnimplementedSeaweedFilerServer) AssignVolume(context.Context, *AssignVolumeRequest) (*AssignVolumeResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method AssignVolume not implemented")
+}
+func (UnimplementedSeaweedFilerServer) LookupVolume(context.Context, *LookupVolumeRequest) (*LookupVolumeResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method LookupVolume not implemented")
+}
+func (UnimplementedSeaweedFilerServer) CollectionList(context.Context, *CollectionListRequest) (*CollectionListResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CollectionList not implemented")
+}
+func (UnimplementedSeaweedFilerServer) DeleteCollection(context.Context, *DeleteCollectionRequest) (*DeleteCollectionResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DeleteCollection not implemented")
+}
+func (UnimplementedSeaweedFilerServer) Statistics(context.Context, *StatisticsRequest) (*StatisticsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Statistics not implemented")
+}
+func (UnimplementedSeaweedFilerServer) GetFilerConfiguration(context.Context, *GetFilerConfigurationRequest) (*GetFilerConfigurationResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetFilerConfiguration not implemented")
+}
+func (UnimplementedSeaweedFilerServer) SubscribeMetadata(*SubscribeMetadataRequest, SeaweedFiler_SubscribeMetadataServer) error {
+	return status.Errorf(codes.Unimplemented, "method SubscribeMetadata not implemented")
+}
+func (UnimplementedSeaweedFilerServer) SubscribeLocalMetadata(*SubscribeMetadataRequest, SeaweedFiler_SubscribeLocalMetadataServer) error {
+	return status.Errorf(codes.Unimplemented, "method SubscribeLocalMetadata not implemented")
+}
+func (UnimplementedSeaweedFilerServer) KeepConnected(SeaweedFiler_KeepConnectedServer) error {
+	return status.Errorf(codes.Unimplemented, "method KeepConnected not implemented")
+}
+func (UnimplementedSeaweedFilerServer) LocateBroker(context.Context, *LocateBrokerRequest) (*LocateBrokerResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method LocateBroker not implemented")
+}
+func (UnimplementedSeaweedFilerServer) KvGet(context.Context, *KvGetRequest) (*KvGetResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method KvGet not implemented")
+}
+func (UnimplementedSeaweedFilerServer) KvPut(context.Context, *KvPutRequest) (*KvPutResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method KvPut not implemented")
+}
+func (UnimplementedSeaweedFilerServer) CacheRemoteObjectToLocalCluster(context.Context, *CacheRemoteObjectToLocalClusterRequest) (*CacheRemoteObjectToLocalClusterResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CacheRemoteObjectToLocalCluster not implemented")
+}
+func (UnimplementedSeaweedFilerServer) mustEmbedUnimplementedSeaweedFilerServer() {}
+
+// UnsafeSeaweedFilerServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to SeaweedFilerServer will
+// result in compilation errors.
+type UnsafeSeaweedFilerServer interface {
+	mustEmbedUnimplementedSeaweedFilerServer()
+}
+
+func RegisterSeaweedFilerServer(s grpc.ServiceRegistrar, srv SeaweedFilerServer) {
+	s.RegisterService(&SeaweedFiler_ServiceDesc, srv)
+}
+
+func _SeaweedFiler_LookupDirectoryEntry_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(LookupDirectoryEntryRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedFilerServer).LookupDirectoryEntry(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/filer_pb.SeaweedFiler/LookupDirectoryEntry",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedFilerServer).LookupDirectoryEntry(ctx, req.(*LookupDirectoryEntryRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SeaweedFiler_ListEntries_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(ListEntriesRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(SeaweedFilerServer).ListEntries(m, &seaweedFilerListEntriesServer{stream})
+}
+
+type SeaweedFiler_ListEntriesServer interface {
+	Send(*ListEntriesResponse) error
+	grpc.ServerStream
+}
+
+type seaweedFilerListEntriesServer struct {
+	grpc.ServerStream
+}
+
+func (x *seaweedFilerListEntriesServer) Send(m *ListEntriesResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _SeaweedFiler_CreateEntry_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CreateEntryRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedFilerServer).CreateEntry(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/filer_pb.SeaweedFiler/CreateEntry",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedFilerServer).CreateEntry(ctx, req.(*CreateEntryRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SeaweedFiler_UpdateEntry_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(UpdateEntryRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedFilerServer).UpdateEntry(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/filer_pb.SeaweedFiler/UpdateEntry",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedFilerServer).UpdateEntry(ctx, req.(*UpdateEntryRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SeaweedFiler_AppendToEntry_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(AppendToEntryRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedFilerServer).AppendToEntry(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/filer_pb.SeaweedFiler/AppendToEntry",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedFilerServer).AppendToEntry(ctx, req.(*AppendToEntryRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SeaweedFiler_DeleteEntry_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeleteEntryRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedFilerServer).DeleteEntry(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/filer_pb.SeaweedFiler/DeleteEntry",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedFilerServer).DeleteEntry(ctx, req.(*DeleteEntryRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SeaweedFiler_AtomicRenameEntry_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(AtomicRenameEntryRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedFilerServer).AtomicRenameEntry(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/filer_pb.SeaweedFiler/AtomicRenameEntry",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedFilerServer).AtomicRenameEntry(ctx, req.(*AtomicRenameEntryRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SeaweedFiler_StreamRenameEntry_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(StreamRenameEntryRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(SeaweedFilerServer).StreamRenameEntry(m, &seaweedFilerStreamRenameEntryServer{stream})
+}
+
+type SeaweedFiler_StreamRenameEntryServer interface {
+	Send(*StreamRenameEntryResponse) error
+	grpc.ServerStream
+}
+
+type seaweedFilerStreamRenameEntryServer struct {
+	grpc.ServerStream
+}
+
+func (x *seaweedFilerStreamRenameEntryServer) Send(m *StreamRenameEntryResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _SeaweedFiler_AssignVolume_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(AssignVolumeRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedFilerServer).AssignVolume(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/filer_pb.SeaweedFiler/AssignVolume",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedFilerServer).AssignVolume(ctx, req.(*AssignVolumeRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SeaweedFiler_LookupVolume_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(LookupVolumeRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedFilerServer).LookupVolume(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/filer_pb.SeaweedFiler/LookupVolume",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedFilerServer).LookupVolume(ctx, req.(*LookupVolumeRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SeaweedFiler_CollectionList_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CollectionListRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedFilerServer).CollectionList(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/filer_pb.SeaweedFiler/CollectionList",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedFilerServer).CollectionList(ctx, req.(*CollectionListRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SeaweedFiler_DeleteCollection_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeleteCollectionRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedFilerServer).DeleteCollection(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/filer_pb.SeaweedFiler/DeleteCollection",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedFilerServer).DeleteCollection(ctx, req.(*DeleteCollectionRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SeaweedFiler_Statistics_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(StatisticsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedFilerServer).Statistics(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/filer_pb.SeaweedFiler/Statistics",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedFilerServer).Statistics(ctx, req.(*StatisticsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SeaweedFiler_GetFilerConfiguration_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetFilerConfigurationRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedFilerServer).GetFilerConfiguration(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/filer_pb.SeaweedFiler/GetFilerConfiguration",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedFilerServer).GetFilerConfiguration(ctx, req.(*GetFilerConfigurationRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SeaweedFiler_SubscribeMetadata_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(SubscribeMetadataRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(SeaweedFilerServer).SubscribeMetadata(m, &seaweedFilerSubscribeMetadataServer{stream})
+}
+
+type SeaweedFiler_SubscribeMetadataServer interface {
+	Send(*SubscribeMetadataResponse) error
+	grpc.ServerStream
+}
+
+type seaweedFilerSubscribeMetadataServer struct {
+	grpc.ServerStream
+}
+
+func (x *seaweedFilerSubscribeMetadataServer) Send(m *SubscribeMetadataResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _SeaweedFiler_SubscribeLocalMetadata_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(SubscribeMetadataRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(SeaweedFilerServer).SubscribeLocalMetadata(m, &seaweedFilerSubscribeLocalMetadataServer{stream})
+}
+
+type SeaweedFiler_SubscribeLocalMetadataServer interface {
+	Send(*SubscribeMetadataResponse) error
+	grpc.ServerStream
+}
+
+type seaweedFilerSubscribeLocalMetadataServer struct {
+	grpc.ServerStream
+}
+
+func (x *seaweedFilerSubscribeLocalMetadataServer) Send(m *SubscribeMetadataResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _SeaweedFiler_KeepConnected_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(SeaweedFilerServer).KeepConnected(&seaweedFilerKeepConnectedServer{stream})
+}
+
+type SeaweedFiler_KeepConnectedServer interface {
+	Send(*KeepConnectedResponse) error
+	Recv() (*KeepConnectedRequest, error)
+	grpc.ServerStream
+}
+
+type seaweedFilerKeepConnectedServer struct {
+	grpc.ServerStream
+}
+
+func (x *seaweedFilerKeepConnectedServer) Send(m *KeepConnectedResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *seaweedFilerKeepConnectedServer) Recv() (*KeepConnectedRequest, error) {
+	m := new(KeepConnectedRequest)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func _SeaweedFiler_LocateBroker_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(LocateBrokerRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedFilerServer).LocateBroker(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/filer_pb.SeaweedFiler/LocateBroker",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedFilerServer).LocateBroker(ctx, req.(*LocateBrokerRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SeaweedFiler_KvGet_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(KvGetRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedFilerServer).KvGet(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/filer_pb.SeaweedFiler/KvGet",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedFilerServer).KvGet(ctx, req.(*KvGetRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SeaweedFiler_KvPut_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(KvPutRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedFilerServer).KvPut(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/filer_pb.SeaweedFiler/KvPut",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedFilerServer).KvPut(ctx, req.(*KvPutRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SeaweedFiler_CacheRemoteObjectToLocalCluster_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CacheRemoteObjectToLocalClusterRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedFilerServer).CacheRemoteObjectToLocalCluster(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/filer_pb.SeaweedFiler/CacheRemoteObjectToLocalCluster",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedFilerServer).CacheRemoteObjectToLocalCluster(ctx, req.(*CacheRemoteObjectToLocalClusterRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// SeaweedFiler_ServiceDesc is the grpc.ServiceDesc for SeaweedFiler service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var SeaweedFiler_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "filer_pb.SeaweedFiler",
+	HandlerType: (*SeaweedFilerServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "LookupDirectoryEntry",
+			Handler:    _SeaweedFiler_LookupDirectoryEntry_Handler,
+		},
+		{
+			MethodName: "CreateEntry",
+			Handler:    _SeaweedFiler_CreateEntry_Handler,
+		},
+		{
+			MethodName: "UpdateEntry",
+			Handler:    _SeaweedFiler_UpdateEntry_Handler,
+		},
+		{
+			MethodName: "AppendToEntry",
+			Handler:    _SeaweedFiler_AppendToEntry_Handler,
+		},
+		{
+			MethodName: "DeleteEntry",
+			Handler:    _SeaweedFiler_DeleteEntry_Handler,
+		},
+		{
+			MethodName: "AtomicRenameEntry",
+			Handler:    _SeaweedFiler_AtomicRenameEntry_Handler,
+		},
+		{
+			MethodName: "AssignVolume",
+			Handler:    _SeaweedFiler_AssignVolume_Handler,
+		},
+		{
+			MethodName: "LookupVolume",
+			Handler:    _SeaweedFiler_LookupVolume_Handler,
+		},
+		{
+			MethodName: "CollectionList",
+			Handler:    _SeaweedFiler_CollectionList_Handler,
+		},
+		{
+			MethodName: "DeleteCollection",
+			Handler:    _SeaweedFiler_DeleteCollection_Handler,
+		},
+		{
+			MethodName: "Statistics",
+			Handler:    _SeaweedFiler_Statistics_Handler,
+		},
+		{
+			MethodName: "GetFilerConfiguration",
+			Handler:    _SeaweedFiler_GetFilerConfiguration_Handler,
+		},
+		{
+			MethodName: "LocateBroker",
+			Handler:    _SeaweedFiler_LocateBroker_Handler,
+		},
+		{
+			MethodName: "KvGet",
+			Handler:    _SeaweedFiler_KvGet_Handler,
+		},
+		{
+			MethodName: "KvPut",
+			Handler:    _SeaweedFiler_KvPut_Handler,
+		},
+		{
+			MethodName: "CacheRemoteObjectToLocalCluster",
+			Handler:    _SeaweedFiler_CacheRemoteObjectToLocalCluster_Handler,
+		},
+	},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "ListEntries",
+			Handler:       _SeaweedFiler_ListEntries_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "StreamRenameEntry",
+			Handler:       _SeaweedFiler_StreamRenameEntry_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "SubscribeMetadata",
+			Handler:       _SeaweedFiler_SubscribeMetadata_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "SubscribeLocalMetadata",
+			Handler:       _SeaweedFiler_SubscribeLocalMetadata_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "KeepConnected",
+			Handler:       _SeaweedFiler_KeepConnected_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
+	},
+	Metadata: "filer.proto",
+}
diff --git a/weed/pb/iam_pb/iam.pb.go b/weed/pb/iam_pb/iam.pb.go
index 7d0b6281b..89a4f1584 100644
--- a/weed/pb/iam_pb/iam.pb.go
+++ b/weed/pb/iam_pb/iam.pb.go
@@ -1,15 +1,12 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.25.0
-// 	protoc        v3.12.3
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.17.3
 // source: iam.proto
 
 package iam_pb
 
 import (
-	context "context"
-	proto "github.com/golang/protobuf/proto"
-	grpc "google.golang.org/grpc"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
@@ -23,10 +20,6 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-// This is a compile-time assertion that a sufficiently up-to-date version
-// of the legacy proto package is being used.
-const _ = proto.ProtoPackageIsVersion4
-
 type S3ApiConfiguration struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -312,45 +305,3 @@ func file_iam_proto_init() {
 	file_iam_proto_goTypes = nil
 	file_iam_proto_depIdxs = nil
 }
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ context.Context
-var _ grpc.ClientConnInterface
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the grpc package it is being compiled against.
-const _ = grpc.SupportPackageIsVersion6
-
-// SeaweedIdentityAccessManagementClient is the client API for SeaweedIdentityAccessManagement service.
-//
-// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
-type SeaweedIdentityAccessManagementClient interface {
-}
-
-type seaweedIdentityAccessManagementClient struct {
-	cc grpc.ClientConnInterface
-}
-
-func NewSeaweedIdentityAccessManagementClient(cc grpc.ClientConnInterface) SeaweedIdentityAccessManagementClient {
-	return &seaweedIdentityAccessManagementClient{cc}
-}
-
-// SeaweedIdentityAccessManagementServer is the server API for SeaweedIdentityAccessManagement service.
-type SeaweedIdentityAccessManagementServer interface {
-}
-
-// UnimplementedSeaweedIdentityAccessManagementServer can be embedded to have forward compatible implementations.
-type UnimplementedSeaweedIdentityAccessManagementServer struct {
-}
-
-func RegisterSeaweedIdentityAccessManagementServer(s *grpc.Server, srv SeaweedIdentityAccessManagementServer) {
-	s.RegisterService(&_SeaweedIdentityAccessManagement_serviceDesc, srv)
-}
-
-var _SeaweedIdentityAccessManagement_serviceDesc = grpc.ServiceDesc{
-	ServiceName: "iam_pb.SeaweedIdentityAccessManagement",
-	HandlerType: (*SeaweedIdentityAccessManagementServer)(nil),
-	Methods:     []grpc.MethodDesc{},
-	Streams:     []grpc.StreamDesc{},
-	Metadata:    "iam.proto",
-}
diff --git a/weed/pb/iam_pb/iam_grpc.pb.go b/weed/pb/iam_pb/iam_grpc.pb.go
new file mode 100644
index 000000000..b9438a295
--- /dev/null
+++ b/weed/pb/iam_pb/iam_grpc.pb.go
@@ -0,0 +1,62 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+
+package iam_pb
+
+import (
+	grpc "google.golang.org/grpc"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// SeaweedIdentityAccessManagementClient is the client API for SeaweedIdentityAccessManagement service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type SeaweedIdentityAccessManagementClient interface {
+}
+
+type seaweedIdentityAccessManagementClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewSeaweedIdentityAccessManagementClient(cc grpc.ClientConnInterface) SeaweedIdentityAccessManagementClient {
+	return &seaweedIdentityAccessManagementClient{cc}
+}
+
+// SeaweedIdentityAccessManagementServer is the server API for SeaweedIdentityAccessManagement service.
+// All implementations must embed UnimplementedSeaweedIdentityAccessManagementServer
+// for forward compatibility
+type SeaweedIdentityAccessManagementServer interface {
+	mustEmbedUnimplementedSeaweedIdentityAccessManagementServer()
+}
+
+// UnimplementedSeaweedIdentityAccessManagementServer must be embedded to have forward compatible implementations.
+type UnimplementedSeaweedIdentityAccessManagementServer struct {
+}
+
+func (UnimplementedSeaweedIdentityAccessManagementServer) mustEmbedUnimplementedSeaweedIdentityAccessManagementServer() {
+}
+
+// UnsafeSeaweedIdentityAccessManagementServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to SeaweedIdentityAccessManagementServer will
+// result in compilation errors.
+type UnsafeSeaweedIdentityAccessManagementServer interface {
+	mustEmbedUnimplementedSeaweedIdentityAccessManagementServer()
+}
+
+func RegisterSeaweedIdentityAccessManagementServer(s grpc.ServiceRegistrar, srv SeaweedIdentityAccessManagementServer) {
+	s.RegisterService(&SeaweedIdentityAccessManagement_ServiceDesc, srv)
+}
+
+// SeaweedIdentityAccessManagement_ServiceDesc is the grpc.ServiceDesc for SeaweedIdentityAccessManagement service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var SeaweedIdentityAccessManagement_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "iam_pb.SeaweedIdentityAccessManagement",
+	HandlerType: (*SeaweedIdentityAccessManagementServer)(nil),
+	Methods:     []grpc.MethodDesc{},
+	Streams:     []grpc.StreamDesc{},
+	Metadata:    "iam.proto",
+}
diff --git a/weed/pb/master_pb/master.pb.go b/weed/pb/master_pb/master.pb.go
index ca8a50931..72fc23edf 100644
--- a/weed/pb/master_pb/master.pb.go
+++ b/weed/pb/master_pb/master.pb.go
@@ -1,17 +1,12 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.25.0
-// 	protoc        v3.12.3
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.17.3
 // source: master.proto
 
 package master_pb
 
 import (
-	context "context"
-	proto "github.com/golang/protobuf/proto"
-	grpc "google.golang.org/grpc"
-	codes "google.golang.org/grpc/codes"
-	status "google.golang.org/grpc/status"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
@@ -25,10 +20,6 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-// This is a compile-time assertion that a sufficiently up-to-date version
-// of the legacy proto package is being used.
-const _ = proto.ProtoPackageIsVersion4
-
 type Heartbeat struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -4419,616 +4410,3 @@ func file_master_proto_init() {
 	file_master_proto_goTypes = nil
 	file_master_proto_depIdxs = nil
 }
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ context.Context
-var _ grpc.ClientConnInterface
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the grpc package it is being compiled against.
-const _ = grpc.SupportPackageIsVersion6
-
-// SeaweedClient is the client API for Seaweed service.
-//
-// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
-type SeaweedClient interface {
-	SendHeartbeat(ctx context.Context, opts ...grpc.CallOption) (Seaweed_SendHeartbeatClient, error)
-	KeepConnected(ctx context.Context, opts ...grpc.CallOption) (Seaweed_KeepConnectedClient, error)
-	LookupVolume(ctx context.Context, in *LookupVolumeRequest, opts ...grpc.CallOption) (*LookupVolumeResponse, error)
-	Assign(ctx context.Context, in *AssignRequest, opts ...grpc.CallOption) (*AssignResponse, error)
-	Statistics(ctx context.Context, in *StatisticsRequest, opts ...grpc.CallOption) (*StatisticsResponse, error)
-	CollectionList(ctx context.Context, in *CollectionListRequest, opts ...grpc.CallOption) (*CollectionListResponse, error)
-	CollectionDelete(ctx context.Context, in *CollectionDeleteRequest, opts ...grpc.CallOption) (*CollectionDeleteResponse, error)
-	VolumeList(ctx context.Context, in *VolumeListRequest, opts ...grpc.CallOption) (*VolumeListResponse, error)
-	LookupEcVolume(ctx context.Context, in *LookupEcVolumeRequest, opts ...grpc.CallOption) (*LookupEcVolumeResponse, error)
-	VacuumVolume(ctx context.Context, in *VacuumVolumeRequest, opts ...grpc.CallOption) (*VacuumVolumeResponse, error)
-	GetMasterConfiguration(ctx context.Context, in *GetMasterConfigurationRequest, opts ...grpc.CallOption) (*GetMasterConfigurationResponse, error)
-	ListClusterNodes(ctx context.Context, in *ListClusterNodesRequest, opts ...grpc.CallOption) (*ListClusterNodesResponse, error)
-	LeaseAdminToken(ctx context.Context, in *LeaseAdminTokenRequest, opts ...grpc.CallOption) (*LeaseAdminTokenResponse, error)
-	ReleaseAdminToken(ctx context.Context, in *ReleaseAdminTokenRequest, opts ...grpc.CallOption) (*ReleaseAdminTokenResponse, error)
-}
-
-type seaweedClient struct {
-	cc grpc.ClientConnInterface
-}
-
-func NewSeaweedClient(cc grpc.ClientConnInterface) SeaweedClient {
-	return &seaweedClient{cc}
-}
-
-func (c *seaweedClient) SendHeartbeat(ctx context.Context, opts ...grpc.CallOption) (Seaweed_SendHeartbeatClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_Seaweed_serviceDesc.Streams[0], "/master_pb.Seaweed/SendHeartbeat", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &seaweedSendHeartbeatClient{stream}
-	return x, nil
-}
-
-type Seaweed_SendHeartbeatClient interface {
-	Send(*Heartbeat) error
-	Recv() (*HeartbeatResponse, error)
-	grpc.ClientStream
-}
-
-type seaweedSendHeartbeatClient struct {
-	grpc.ClientStream
-}
-
-func (x *seaweedSendHeartbeatClient) Send(m *Heartbeat) error {
-	return x.ClientStream.SendMsg(m)
-}
-
-func (x *seaweedSendHeartbeatClient) Recv() (*HeartbeatResponse, error) {
-	m := new(HeartbeatResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *seaweedClient) KeepConnected(ctx context.Context, opts ...grpc.CallOption) (Seaweed_KeepConnectedClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_Seaweed_serviceDesc.Streams[1], "/master_pb.Seaweed/KeepConnected", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &seaweedKeepConnectedClient{stream}
-	return x, nil
-}
-
-type Seaweed_KeepConnectedClient interface {
-	Send(*KeepConnectedRequest) error
-	Recv() (*KeepConnectedResponse, error)
-	grpc.ClientStream
-}
-
-type seaweedKeepConnectedClient struct {
-	grpc.ClientStream
-}
-
-func (x *seaweedKeepConnectedClient) Send(m *KeepConnectedRequest) error {
-	return x.ClientStream.SendMsg(m)
-}
-
-func (x *seaweedKeepConnectedClient) Recv() (*KeepConnectedResponse, error) {
-	m := new(KeepConnectedResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *seaweedClient) LookupVolume(ctx context.Context, in *LookupVolumeRequest, opts ...grpc.CallOption) (*LookupVolumeResponse, error) {
-	out := new(LookupVolumeResponse)
-	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/LookupVolume", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedClient) Assign(ctx context.Context, in *AssignRequest, opts ...grpc.CallOption) (*AssignResponse, error) {
-	out := new(AssignResponse)
-	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/Assign", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedClient) Statistics(ctx context.Context, in *StatisticsRequest, opts ...grpc.CallOption) (*StatisticsResponse, error) {
-	out := new(StatisticsResponse)
-	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/Statistics", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedClient) CollectionList(ctx context.Context, in *CollectionListRequest, opts ...grpc.CallOption) (*CollectionListResponse, error) {
-	out := new(CollectionListResponse)
-	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/CollectionList", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedClient) CollectionDelete(ctx context.Context, in *CollectionDeleteRequest, opts ...grpc.CallOption) (*CollectionDeleteResponse, error) {
-	out := new(CollectionDeleteResponse)
-	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/CollectionDelete", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedClient) VolumeList(ctx context.Context, in *VolumeListRequest, opts ...grpc.CallOption) (*VolumeListResponse, error) {
-	out := new(VolumeListResponse)
-	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/VolumeList", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedClient) LookupEcVolume(ctx context.Context, in *LookupEcVolumeRequest, opts ...grpc.CallOption) (*LookupEcVolumeResponse, error) {
-	out := new(LookupEcVolumeResponse)
-	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/LookupEcVolume", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedClient) VacuumVolume(ctx context.Context, in *VacuumVolumeRequest, opts ...grpc.CallOption) (*VacuumVolumeResponse, error) {
-	out := new(VacuumVolumeResponse)
-	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/VacuumVolume", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedClient) GetMasterConfiguration(ctx context.Context, in *GetMasterConfigurationRequest, opts ...grpc.CallOption) (*GetMasterConfigurationResponse, error) {
-	out := new(GetMasterConfigurationResponse)
-	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/GetMasterConfiguration", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedClient) ListClusterNodes(ctx context.Context, in *ListClusterNodesRequest, opts ...grpc.CallOption) (*ListClusterNodesResponse, error) {
-	out := new(ListClusterNodesResponse)
-	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/ListClusterNodes", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedClient) LeaseAdminToken(ctx context.Context, in *LeaseAdminTokenRequest, opts ...grpc.CallOption) (*LeaseAdminTokenResponse, error) {
-	out := new(LeaseAdminTokenResponse)
-	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/LeaseAdminToken", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedClient) ReleaseAdminToken(ctx context.Context, in *ReleaseAdminTokenRequest, opts ...grpc.CallOption) (*ReleaseAdminTokenResponse, error) {
-	out := new(ReleaseAdminTokenResponse)
-	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/ReleaseAdminToken", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-// SeaweedServer is the server API for Seaweed service.
-type SeaweedServer interface {
-	SendHeartbeat(Seaweed_SendHeartbeatServer) error
-	KeepConnected(Seaweed_KeepConnectedServer) error
-	LookupVolume(context.Context, *LookupVolumeRequest) (*LookupVolumeResponse, error)
-	Assign(context.Context, *AssignRequest) (*AssignResponse, error)
-	Statistics(context.Context, *StatisticsRequest) (*StatisticsResponse, error)
-	CollectionList(context.Context, *CollectionListRequest) (*CollectionListResponse, error)
-	CollectionDelete(context.Context, *CollectionDeleteRequest) (*CollectionDeleteResponse, error)
-	VolumeList(context.Context, *VolumeListRequest) (*VolumeListResponse, error)
-	LookupEcVolume(context.Context, *LookupEcVolumeRequest) (*LookupEcVolumeResponse, error)
-	VacuumVolume(context.Context, *VacuumVolumeRequest) (*VacuumVolumeResponse, error)
-	GetMasterConfiguration(context.Context, *GetMasterConfigurationRequest) (*GetMasterConfigurationResponse, error)
-	ListClusterNodes(context.Context, *ListClusterNodesRequest) (*ListClusterNodesResponse, error)
-	LeaseAdminToken(context.Context, *LeaseAdminTokenRequest) (*LeaseAdminTokenResponse, error)
-	ReleaseAdminToken(context.Context, *ReleaseAdminTokenRequest) (*ReleaseAdminTokenResponse, error)
-}
-
-// UnimplementedSeaweedServer can be embedded to have forward compatible implementations.
-type UnimplementedSeaweedServer struct {
-}
-
-func (*UnimplementedSeaweedServer) SendHeartbeat(Seaweed_SendHeartbeatServer) error {
-	return status.Errorf(codes.Unimplemented, "method SendHeartbeat not implemented")
-}
-func (*UnimplementedSeaweedServer) KeepConnected(Seaweed_KeepConnectedServer) error {
-	return status.Errorf(codes.Unimplemented, "method KeepConnected not implemented")
-}
-func (*UnimplementedSeaweedServer) LookupVolume(context.Context, *LookupVolumeRequest) (*LookupVolumeResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method LookupVolume not implemented")
-}
-func (*UnimplementedSeaweedServer) Assign(context.Context, *AssignRequest) (*AssignResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method Assign not implemented")
-}
-func (*UnimplementedSeaweedServer) Statistics(context.Context, *StatisticsRequest) (*StatisticsResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method Statistics not implemented")
-}
-func (*UnimplementedSeaweedServer) CollectionList(context.Context, *CollectionListRequest) (*CollectionListResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method CollectionList not implemented")
-}
-func (*UnimplementedSeaweedServer) CollectionDelete(context.Context, *CollectionDeleteRequest) (*CollectionDeleteResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method CollectionDelete not implemented")
-}
-func (*UnimplementedSeaweedServer) VolumeList(context.Context, *VolumeListRequest) (*VolumeListResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeList not implemented")
-}
-func (*UnimplementedSeaweedServer) LookupEcVolume(context.Context, *LookupEcVolumeRequest) (*LookupEcVolumeResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method LookupEcVolume not implemented")
-}
-func (*UnimplementedSeaweedServer) VacuumVolume(context.Context, *VacuumVolumeRequest) (*VacuumVolumeResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VacuumVolume not implemented")
-}
-func (*UnimplementedSeaweedServer) GetMasterConfiguration(context.Context, *GetMasterConfigurationRequest) (*GetMasterConfigurationResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method GetMasterConfiguration not implemented")
-}
-func (*UnimplementedSeaweedServer) ListClusterNodes(context.Context, *ListClusterNodesRequest) (*ListClusterNodesResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method ListClusterNodes not implemented")
-}
-func (*UnimplementedSeaweedServer) LeaseAdminToken(context.Context, *LeaseAdminTokenRequest) (*LeaseAdminTokenResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method LeaseAdminToken not implemented")
-}
-func (*UnimplementedSeaweedServer) ReleaseAdminToken(context.Context, *ReleaseAdminTokenRequest) (*ReleaseAdminTokenResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method ReleaseAdminToken not implemented")
-}
-
-func RegisterSeaweedServer(s *grpc.Server, srv SeaweedServer) {
-	s.RegisterService(&_Seaweed_serviceDesc, srv)
-}
-
-func _Seaweed_SendHeartbeat_Handler(srv interface{}, stream grpc.ServerStream) error {
-	return srv.(SeaweedServer).SendHeartbeat(&seaweedSendHeartbeatServer{stream})
-}
-
-type Seaweed_SendHeartbeatServer interface {
-	Send(*HeartbeatResponse) error
-	Recv() (*Heartbeat, error)
-	grpc.ServerStream
-}
-
-type seaweedSendHeartbeatServer struct {
-	grpc.ServerStream
-}
-
-func (x *seaweedSendHeartbeatServer) Send(m *HeartbeatResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func (x *seaweedSendHeartbeatServer) Recv() (*Heartbeat, error) {
-	m := new(Heartbeat)
-	if err := x.ServerStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func _Seaweed_KeepConnected_Handler(srv interface{}, stream grpc.ServerStream) error {
-	return srv.(SeaweedServer).KeepConnected(&seaweedKeepConnectedServer{stream})
-}
-
-type Seaweed_KeepConnectedServer interface {
-	Send(*KeepConnectedResponse) error
-	Recv() (*KeepConnectedRequest, error)
-	grpc.ServerStream
-}
-
-type seaweedKeepConnectedServer struct {
-	grpc.ServerStream
-}
-
-func (x *seaweedKeepConnectedServer) Send(m *KeepConnectedResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func (x *seaweedKeepConnectedServer) Recv() (*KeepConnectedRequest, error) {
-	m := new(KeepConnectedRequest)
-	if err := x.ServerStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func _Seaweed_LookupVolume_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(LookupVolumeRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedServer).LookupVolume(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/master_pb.Seaweed/LookupVolume",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedServer).LookupVolume(ctx, req.(*LookupVolumeRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Seaweed_Assign_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(AssignRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedServer).Assign(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/master_pb.Seaweed/Assign",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedServer).Assign(ctx, req.(*AssignRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Seaweed_Statistics_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(StatisticsRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedServer).Statistics(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/master_pb.Seaweed/Statistics",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedServer).Statistics(ctx, req.(*StatisticsRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Seaweed_CollectionList_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(CollectionListRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedServer).CollectionList(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/master_pb.Seaweed/CollectionList",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedServer).CollectionList(ctx, req.(*CollectionListRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Seaweed_CollectionDelete_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(CollectionDeleteRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedServer).CollectionDelete(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/master_pb.Seaweed/CollectionDelete",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedServer).CollectionDelete(ctx, req.(*CollectionDeleteRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Seaweed_VolumeList_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeListRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedServer).VolumeList(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/master_pb.Seaweed/VolumeList",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedServer).VolumeList(ctx, req.(*VolumeListRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Seaweed_LookupEcVolume_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(LookupEcVolumeRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedServer).LookupEcVolume(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/master_pb.Seaweed/LookupEcVolume",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedServer).LookupEcVolume(ctx, req.(*LookupEcVolumeRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Seaweed_VacuumVolume_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VacuumVolumeRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedServer).VacuumVolume(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/master_pb.Seaweed/VacuumVolume",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedServer).VacuumVolume(ctx, req.(*VacuumVolumeRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Seaweed_GetMasterConfiguration_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(GetMasterConfigurationRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedServer).GetMasterConfiguration(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/master_pb.Seaweed/GetMasterConfiguration",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedServer).GetMasterConfiguration(ctx, req.(*GetMasterConfigurationRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Seaweed_ListClusterNodes_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(ListClusterNodesRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedServer).ListClusterNodes(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/master_pb.Seaweed/ListClusterNodes",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedServer).ListClusterNodes(ctx, req.(*ListClusterNodesRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Seaweed_LeaseAdminToken_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(LeaseAdminTokenRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedServer).LeaseAdminToken(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/master_pb.Seaweed/LeaseAdminToken",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedServer).LeaseAdminToken(ctx, req.(*LeaseAdminTokenRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Seaweed_ReleaseAdminToken_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(ReleaseAdminTokenRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedServer).ReleaseAdminToken(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/master_pb.Seaweed/ReleaseAdminToken",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedServer).ReleaseAdminToken(ctx, req.(*ReleaseAdminTokenRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-var _Seaweed_serviceDesc = grpc.ServiceDesc{
-	ServiceName: "master_pb.Seaweed",
-	HandlerType: (*SeaweedServer)(nil),
-	Methods: []grpc.MethodDesc{
-		{
-			MethodName: "LookupVolume",
-			Handler:    _Seaweed_LookupVolume_Handler,
-		},
-		{
-			MethodName: "Assign",
-			Handler:    _Seaweed_Assign_Handler,
-		},
-		{
-			MethodName: "Statistics",
-			Handler:    _Seaweed_Statistics_Handler,
-		},
-		{
-			MethodName: "CollectionList",
-			Handler:    _Seaweed_CollectionList_Handler,
-		},
-		{
-			MethodName: "CollectionDelete",
-			Handler:    _Seaweed_CollectionDelete_Handler,
-		},
-		{
-			MethodName: "VolumeList",
-			Handler:    _Seaweed_VolumeList_Handler,
-		},
-		{
-			MethodName: "LookupEcVolume",
-			Handler:    _Seaweed_LookupEcVolume_Handler,
-		},
-		{
-			MethodName: "VacuumVolume",
-			Handler:    _Seaweed_VacuumVolume_Handler,
-		},
-		{
-			MethodName: "GetMasterConfiguration",
-			Handler:    _Seaweed_GetMasterConfiguration_Handler,
-		},
-		{
-			MethodName: "ListClusterNodes",
-			Handler:    _Seaweed_ListClusterNodes_Handler,
-		},
-		{
-			MethodName: "LeaseAdminToken",
-			Handler:    _Seaweed_LeaseAdminToken_Handler,
-		},
-		{
-			MethodName: "ReleaseAdminToken",
-			Handler:    _Seaweed_ReleaseAdminToken_Handler,
-		},
-	},
-	Streams: []grpc.StreamDesc{
-		{
-			StreamName:    "SendHeartbeat",
-			Handler:       _Seaweed_SendHeartbeat_Handler,
-			ServerStreams: true,
-			ClientStreams: true,
-		},
-		{
-			StreamName:    "KeepConnected",
-			Handler:       _Seaweed_KeepConnected_Handler,
-			ServerStreams: true,
-			ClientStreams: true,
-		},
-	},
-	Metadata: "master.proto",
-}
diff --git a/weed/pb/master_pb/master_grpc.pb.go b/weed/pb/master_pb/master_grpc.pb.go
new file mode 100644
index 000000000..7046afec6
--- /dev/null
+++ b/weed/pb/master_pb/master_grpc.pb.go
@@ -0,0 +1,634 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+
+package master_pb
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// SeaweedClient is the client API for Seaweed service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type SeaweedClient interface {
+	SendHeartbeat(ctx context.Context, opts ...grpc.CallOption) (Seaweed_SendHeartbeatClient, error)
+	KeepConnected(ctx context.Context, opts ...grpc.CallOption) (Seaweed_KeepConnectedClient, error)
+	LookupVolume(ctx context.Context, in *LookupVolumeRequest, opts ...grpc.CallOption) (*LookupVolumeResponse, error)
+	Assign(ctx context.Context, in *AssignRequest, opts ...grpc.CallOption) (*AssignResponse, error)
+	Statistics(ctx context.Context, in *StatisticsRequest, opts ...grpc.CallOption) (*StatisticsResponse, error)
+	CollectionList(ctx context.Context, in *CollectionListRequest, opts ...grpc.CallOption) (*CollectionListResponse, error)
+	CollectionDelete(ctx context.Context, in *CollectionDeleteRequest, opts ...grpc.CallOption) (*CollectionDeleteResponse, error)
+	VolumeList(ctx context.Context, in *VolumeListRequest, opts ...grpc.CallOption) (*VolumeListResponse, error)
+	LookupEcVolume(ctx context.Context, in *LookupEcVolumeRequest, opts ...grpc.CallOption) (*LookupEcVolumeResponse, error)
+	VacuumVolume(ctx context.Context, in *VacuumVolumeRequest, opts ...grpc.CallOption) (*VacuumVolumeResponse, error)
+	GetMasterConfiguration(ctx context.Context, in *GetMasterConfigurationRequest, opts ...grpc.CallOption) (*GetMasterConfigurationResponse, error)
+	ListClusterNodes(ctx context.Context, in *ListClusterNodesRequest, opts ...grpc.CallOption) (*ListClusterNodesResponse, error)
+	LeaseAdminToken(ctx context.Context, in *LeaseAdminTokenRequest, opts ...grpc.CallOption) (*LeaseAdminTokenResponse, error)
+	ReleaseAdminToken(ctx context.Context, in *ReleaseAdminTokenRequest, opts ...grpc.CallOption) (*ReleaseAdminTokenResponse, error)
+}
+
+type seaweedClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewSeaweedClient(cc grpc.ClientConnInterface) SeaweedClient {
+	return &seaweedClient{cc}
+}
+
+func (c *seaweedClient) SendHeartbeat(ctx context.Context, opts ...grpc.CallOption) (Seaweed_SendHeartbeatClient, error) {
+	stream, err := c.cc.NewStream(ctx, &Seaweed_ServiceDesc.Streams[0], "/master_pb.Seaweed/SendHeartbeat", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &seaweedSendHeartbeatClient{stream}
+	return x, nil
+}
+
+type Seaweed_SendHeartbeatClient interface {
+	Send(*Heartbeat) error
+	Recv() (*HeartbeatResponse, error)
+	grpc.ClientStream
+}
+
+type seaweedSendHeartbeatClient struct {
+	grpc.ClientStream
+}
+
+func (x *seaweedSendHeartbeatClient) Send(m *Heartbeat) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *seaweedSendHeartbeatClient) Recv() (*HeartbeatResponse, error) {
+	m := new(HeartbeatResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *seaweedClient) KeepConnected(ctx context.Context, opts ...grpc.CallOption) (Seaweed_KeepConnectedClient, error) {
+	stream, err := c.cc.NewStream(ctx, &Seaweed_ServiceDesc.Streams[1], "/master_pb.Seaweed/KeepConnected", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &seaweedKeepConnectedClient{stream}
+	return x, nil
+}
+
+type Seaweed_KeepConnectedClient interface {
+	Send(*KeepConnectedRequest) error
+	Recv() (*KeepConnectedResponse, error)
+	grpc.ClientStream
+}
+
+type seaweedKeepConnectedClient struct {
+	grpc.ClientStream
+}
+
+func (x *seaweedKeepConnectedClient) Send(m *KeepConnectedRequest) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *seaweedKeepConnectedClient) Recv() (*KeepConnectedResponse, error) {
+	m := new(KeepConnectedResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *seaweedClient) LookupVolume(ctx context.Context, in *LookupVolumeRequest, opts ...grpc.CallOption) (*LookupVolumeResponse, error) {
+	out := new(LookupVolumeResponse)
+	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/LookupVolume", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedClient) Assign(ctx context.Context, in *AssignRequest, opts ...grpc.CallOption) (*AssignResponse, error) {
+	out := new(AssignResponse)
+	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/Assign", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedClient) Statistics(ctx context.Context, in *StatisticsRequest, opts ...grpc.CallOption) (*StatisticsResponse, error) {
+	out := new(StatisticsResponse)
+	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/Statistics", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedClient) CollectionList(ctx context.Context, in *CollectionListRequest, opts ...grpc.CallOption) (*CollectionListResponse, error) {
+	out := new(CollectionListResponse)
+	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/CollectionList", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedClient) CollectionDelete(ctx context.Context, in *CollectionDeleteRequest, opts ...grpc.CallOption) (*CollectionDeleteResponse, error) {
+	out := new(CollectionDeleteResponse)
+	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/CollectionDelete", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedClient) VolumeList(ctx context.Context, in *VolumeListRequest, opts ...grpc.CallOption) (*VolumeListResponse, error) {
+	out := new(VolumeListResponse)
+	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/VolumeList", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedClient) LookupEcVolume(ctx context.Context, in *LookupEcVolumeRequest, opts ...grpc.CallOption) (*LookupEcVolumeResponse, error) {
+	out := new(LookupEcVolumeResponse)
+	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/LookupEcVolume", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedClient) VacuumVolume(ctx context.Context, in *VacuumVolumeRequest, opts ...grpc.CallOption) (*VacuumVolumeResponse, error) {
+	out := new(VacuumVolumeResponse)
+	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/VacuumVolume", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedClient) GetMasterConfiguration(ctx context.Context, in *GetMasterConfigurationRequest, opts ...grpc.CallOption) (*GetMasterConfigurationResponse, error) {
+	out := new(GetMasterConfigurationResponse)
+	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/GetMasterConfiguration", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedClient) ListClusterNodes(ctx context.Context, in *ListClusterNodesRequest, opts ...grpc.CallOption) (*ListClusterNodesResponse, error) {
+	out := new(ListClusterNodesResponse)
+	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/ListClusterNodes", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedClient) LeaseAdminToken(ctx context.Context, in *LeaseAdminTokenRequest, opts ...grpc.CallOption) (*LeaseAdminTokenResponse, error) {
+	out := new(LeaseAdminTokenResponse)
+	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/LeaseAdminToken", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedClient) ReleaseAdminToken(ctx context.Context, in *ReleaseAdminTokenRequest, opts ...grpc.CallOption) (*ReleaseAdminTokenResponse, error) {
+	out := new(ReleaseAdminTokenResponse)
+	err := c.cc.Invoke(ctx, "/master_pb.Seaweed/ReleaseAdminToken", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// SeaweedServer is the server API for Seaweed service.
+// All implementations must embed UnimplementedSeaweedServer
+// for forward compatibility
+type SeaweedServer interface {
+	SendHeartbeat(Seaweed_SendHeartbeatServer) error
+	KeepConnected(Seaweed_KeepConnectedServer) error
+	LookupVolume(context.Context, *LookupVolumeRequest) (*LookupVolumeResponse, error)
+	Assign(context.Context, *AssignRequest) (*AssignResponse, error)
+	Statistics(context.Context, *StatisticsRequest) (*StatisticsResponse, error)
+	CollectionList(context.Context, *CollectionListRequest) (*CollectionListResponse, error)
+	CollectionDelete(context.Context, *CollectionDeleteRequest) (*CollectionDeleteResponse, error)
+	VolumeList(context.Context, *VolumeListRequest) (*VolumeListResponse, error)
+	LookupEcVolume(context.Context, *LookupEcVolumeRequest) (*LookupEcVolumeResponse, error)
+	VacuumVolume(context.Context, *VacuumVolumeRequest) (*VacuumVolumeResponse, error)
+	GetMasterConfiguration(context.Context, *GetMasterConfigurationRequest) (*GetMasterConfigurationResponse, error)
+	ListClusterNodes(context.Context, *ListClusterNodesRequest) (*ListClusterNodesResponse, error)
+	LeaseAdminToken(context.Context, *LeaseAdminTokenRequest) (*LeaseAdminTokenResponse, error)
+	ReleaseAdminToken(context.Context, *ReleaseAdminTokenRequest) (*ReleaseAdminTokenResponse, error)
+	mustEmbedUnimplementedSeaweedServer()
+}
+
+// UnimplementedSeaweedServer must be embedded to have forward compatible implementations.
+type UnimplementedSeaweedServer struct {
+}
+
+func (UnimplementedSeaweedServer) SendHeartbeat(Seaweed_SendHeartbeatServer) error {
+	return status.Errorf(codes.Unimplemented, "method SendHeartbeat not implemented")
+}
+func (UnimplementedSeaweedServer) KeepConnected(Seaweed_KeepConnectedServer) error {
+	return status.Errorf(codes.Unimplemented, "method KeepConnected not implemented")
+}
+func (UnimplementedSeaweedServer) LookupVolume(context.Context, *LookupVolumeRequest) (*LookupVolumeResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method LookupVolume not implemented")
+}
+func (UnimplementedSeaweedServer) Assign(context.Context, *AssignRequest) (*AssignResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Assign not implemented")
+}
+func (UnimplementedSeaweedServer) Statistics(context.Context, *StatisticsRequest) (*StatisticsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Statistics not implemented")
+}
+func (UnimplementedSeaweedServer) CollectionList(context.Context, *CollectionListRequest) (*CollectionListResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CollectionList not implemented")
+}
+func (UnimplementedSeaweedServer) CollectionDelete(context.Context, *CollectionDeleteRequest) (*CollectionDeleteResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CollectionDelete not implemented")
+}
+func (UnimplementedSeaweedServer) VolumeList(context.Context, *VolumeListRequest) (*VolumeListResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeList not implemented")
+}
+func (UnimplementedSeaweedServer) LookupEcVolume(context.Context, *LookupEcVolumeRequest) (*LookupEcVolumeResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method LookupEcVolume not implemented")
+}
+func (UnimplementedSeaweedServer) VacuumVolume(context.Context, *VacuumVolumeRequest) (*VacuumVolumeResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VacuumVolume not implemented")
+}
+func (UnimplementedSeaweedServer) GetMasterConfiguration(context.Context, *GetMasterConfigurationRequest) (*GetMasterConfigurationResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetMasterConfiguration not implemented")
+}
+func (UnimplementedSeaweedServer) ListClusterNodes(context.Context, *ListClusterNodesRequest) (*ListClusterNodesResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ListClusterNodes not implemented")
+}
+func (UnimplementedSeaweedServer) LeaseAdminToken(context.Context, *LeaseAdminTokenRequest) (*LeaseAdminTokenResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method LeaseAdminToken not implemented")
+}
+func (UnimplementedSeaweedServer) ReleaseAdminToken(context.Context, *ReleaseAdminTokenRequest) (*ReleaseAdminTokenResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ReleaseAdminToken not implemented")
+}
+func (UnimplementedSeaweedServer) mustEmbedUnimplementedSeaweedServer() {}
+
+// UnsafeSeaweedServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to SeaweedServer will
+// result in compilation errors.
+type UnsafeSeaweedServer interface {
+	mustEmbedUnimplementedSeaweedServer()
+}
+
+func RegisterSeaweedServer(s grpc.ServiceRegistrar, srv SeaweedServer) {
+	s.RegisterService(&Seaweed_ServiceDesc, srv)
+}
+
+func _Seaweed_SendHeartbeat_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(SeaweedServer).SendHeartbeat(&seaweedSendHeartbeatServer{stream})
+}
+
+type Seaweed_SendHeartbeatServer interface {
+	Send(*HeartbeatResponse) error
+	Recv() (*Heartbeat, error)
+	grpc.ServerStream
+}
+
+type seaweedSendHeartbeatServer struct {
+	grpc.ServerStream
+}
+
+func (x *seaweedSendHeartbeatServer) Send(m *HeartbeatResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *seaweedSendHeartbeatServer) Recv() (*Heartbeat, error) {
+	m := new(Heartbeat)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func _Seaweed_KeepConnected_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(SeaweedServer).KeepConnected(&seaweedKeepConnectedServer{stream})
+}
+
+type Seaweed_KeepConnectedServer interface {
+	Send(*KeepConnectedResponse) error
+	Recv() (*KeepConnectedRequest, error)
+	grpc.ServerStream
+}
+
+type seaweedKeepConnectedServer struct {
+	grpc.ServerStream
+}
+
+func (x *seaweedKeepConnectedServer) Send(m *KeepConnectedResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *seaweedKeepConnectedServer) Recv() (*KeepConnectedRequest, error) {
+	m := new(KeepConnectedRequest)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func _Seaweed_LookupVolume_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(LookupVolumeRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedServer).LookupVolume(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/master_pb.Seaweed/LookupVolume",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedServer).LookupVolume(ctx, req.(*LookupVolumeRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Seaweed_Assign_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(AssignRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedServer).Assign(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/master_pb.Seaweed/Assign",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedServer).Assign(ctx, req.(*AssignRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Seaweed_Statistics_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(StatisticsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedServer).Statistics(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/master_pb.Seaweed/Statistics",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedServer).Statistics(ctx, req.(*StatisticsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Seaweed_CollectionList_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CollectionListRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedServer).CollectionList(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/master_pb.Seaweed/CollectionList",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedServer).CollectionList(ctx, req.(*CollectionListRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Seaweed_CollectionDelete_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CollectionDeleteRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedServer).CollectionDelete(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/master_pb.Seaweed/CollectionDelete",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedServer).CollectionDelete(ctx, req.(*CollectionDeleteRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Seaweed_VolumeList_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeListRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedServer).VolumeList(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/master_pb.Seaweed/VolumeList",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedServer).VolumeList(ctx, req.(*VolumeListRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Seaweed_LookupEcVolume_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(LookupEcVolumeRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedServer).LookupEcVolume(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/master_pb.Seaweed/LookupEcVolume",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedServer).LookupEcVolume(ctx, req.(*LookupEcVolumeRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Seaweed_VacuumVolume_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VacuumVolumeRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedServer).VacuumVolume(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/master_pb.Seaweed/VacuumVolume",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedServer).VacuumVolume(ctx, req.(*VacuumVolumeRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Seaweed_GetMasterConfiguration_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetMasterConfigurationRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedServer).GetMasterConfiguration(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/master_pb.Seaweed/GetMasterConfiguration",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedServer).GetMasterConfiguration(ctx, req.(*GetMasterConfigurationRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Seaweed_ListClusterNodes_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListClusterNodesRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedServer).ListClusterNodes(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/master_pb.Seaweed/ListClusterNodes",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedServer).ListClusterNodes(ctx, req.(*ListClusterNodesRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Seaweed_LeaseAdminToken_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(LeaseAdminTokenRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedServer).LeaseAdminToken(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/master_pb.Seaweed/LeaseAdminToken",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedServer).LeaseAdminToken(ctx, req.(*LeaseAdminTokenRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Seaweed_ReleaseAdminToken_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ReleaseAdminTokenRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedServer).ReleaseAdminToken(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/master_pb.Seaweed/ReleaseAdminToken",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedServer).ReleaseAdminToken(ctx, req.(*ReleaseAdminTokenRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// Seaweed_ServiceDesc is the grpc.ServiceDesc for Seaweed service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Seaweed_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "master_pb.Seaweed",
+	HandlerType: (*SeaweedServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "LookupVolume",
+			Handler:    _Seaweed_LookupVolume_Handler,
+		},
+		{
+			MethodName: "Assign",
+			Handler:    _Seaweed_Assign_Handler,
+		},
+		{
+			MethodName: "Statistics",
+			Handler:    _Seaweed_Statistics_Handler,
+		},
+		{
+			MethodName: "CollectionList",
+			Handler:    _Seaweed_CollectionList_Handler,
+		},
+		{
+			MethodName: "CollectionDelete",
+			Handler:    _Seaweed_CollectionDelete_Handler,
+		},
+		{
+			MethodName: "VolumeList",
+			Handler:    _Seaweed_VolumeList_Handler,
+		},
+		{
+			MethodName: "LookupEcVolume",
+			Handler:    _Seaweed_LookupEcVolume_Handler,
+		},
+		{
+			MethodName: "VacuumVolume",
+			Handler:    _Seaweed_VacuumVolume_Handler,
+		},
+		{
+			MethodName: "GetMasterConfiguration",
+			Handler:    _Seaweed_GetMasterConfiguration_Handler,
+		},
+		{
+			MethodName: "ListClusterNodes",
+			Handler:    _Seaweed_ListClusterNodes_Handler,
+		},
+		{
+			MethodName: "LeaseAdminToken",
+			Handler:    _Seaweed_LeaseAdminToken_Handler,
+		},
+		{
+			MethodName: "ReleaseAdminToken",
+			Handler:    _Seaweed_ReleaseAdminToken_Handler,
+		},
+	},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "SendHeartbeat",
+			Handler:       _Seaweed_SendHeartbeat_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
+		{
+			StreamName:    "KeepConnected",
+			Handler:       _Seaweed_KeepConnected_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
+	},
+	Metadata: "master.proto",
+}
diff --git a/weed/pb/messaging_pb/messaging.pb.go b/weed/pb/messaging_pb/messaging.pb.go
index 591406347..5b9ca1ee3 100644
--- a/weed/pb/messaging_pb/messaging.pb.go
+++ b/weed/pb/messaging_pb/messaging.pb.go
@@ -1,17 +1,12 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.25.0
-// 	protoc        v3.12.3
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.17.3
 // source: messaging.proto
 
 package messaging_pb
 
 import (
-	context "context"
-	proto "github.com/golang/protobuf/proto"
-	grpc "google.golang.org/grpc"
-	codes "google.golang.org/grpc/codes"
-	status "google.golang.org/grpc/status"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
@@ -25,10 +20,6 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-// This is a compile-time assertion that a sufficiently up-to-date version
-// of the legacy proto package is being used.
-const _ = proto.ProtoPackageIsVersion4
-
 type SubscriberMessage_InitMessage_StartPosition int32
 
 const (
@@ -1726,328 +1717,3 @@ func file_messaging_proto_init() {
 	file_messaging_proto_goTypes = nil
 	file_messaging_proto_depIdxs = nil
 }
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ context.Context
-var _ grpc.ClientConnInterface
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the grpc package it is being compiled against.
-const _ = grpc.SupportPackageIsVersion6
-
-// SeaweedMessagingClient is the client API for SeaweedMessaging service.
-//
-// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
-type SeaweedMessagingClient interface {
-	Subscribe(ctx context.Context, opts ...grpc.CallOption) (SeaweedMessaging_SubscribeClient, error)
-	Publish(ctx context.Context, opts ...grpc.CallOption) (SeaweedMessaging_PublishClient, error)
-	DeleteTopic(ctx context.Context, in *DeleteTopicRequest, opts ...grpc.CallOption) (*DeleteTopicResponse, error)
-	ConfigureTopic(ctx context.Context, in *ConfigureTopicRequest, opts ...grpc.CallOption) (*ConfigureTopicResponse, error)
-	GetTopicConfiguration(ctx context.Context, in *GetTopicConfigurationRequest, opts ...grpc.CallOption) (*GetTopicConfigurationResponse, error)
-	FindBroker(ctx context.Context, in *FindBrokerRequest, opts ...grpc.CallOption) (*FindBrokerResponse, error)
-}
-
-type seaweedMessagingClient struct {
-	cc grpc.ClientConnInterface
-}
-
-func NewSeaweedMessagingClient(cc grpc.ClientConnInterface) SeaweedMessagingClient {
-	return &seaweedMessagingClient{cc}
-}
-
-func (c *seaweedMessagingClient) Subscribe(ctx context.Context, opts ...grpc.CallOption) (SeaweedMessaging_SubscribeClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_SeaweedMessaging_serviceDesc.Streams[0], "/messaging_pb.SeaweedMessaging/Subscribe", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &seaweedMessagingSubscribeClient{stream}
-	return x, nil
-}
-
-type SeaweedMessaging_SubscribeClient interface {
-	Send(*SubscriberMessage) error
-	Recv() (*BrokerMessage, error)
-	grpc.ClientStream
-}
-
-type seaweedMessagingSubscribeClient struct {
-	grpc.ClientStream
-}
-
-func (x *seaweedMessagingSubscribeClient) Send(m *SubscriberMessage) error {
-	return x.ClientStream.SendMsg(m)
-}
-
-func (x *seaweedMessagingSubscribeClient) Recv() (*BrokerMessage, error) {
-	m := new(BrokerMessage)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *seaweedMessagingClient) Publish(ctx context.Context, opts ...grpc.CallOption) (SeaweedMessaging_PublishClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_SeaweedMessaging_serviceDesc.Streams[1], "/messaging_pb.SeaweedMessaging/Publish", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &seaweedMessagingPublishClient{stream}
-	return x, nil
-}
-
-type SeaweedMessaging_PublishClient interface {
-	Send(*PublishRequest) error
-	Recv() (*PublishResponse, error)
-	grpc.ClientStream
-}
-
-type seaweedMessagingPublishClient struct {
-	grpc.ClientStream
-}
-
-func (x *seaweedMessagingPublishClient) Send(m *PublishRequest) error {
-	return x.ClientStream.SendMsg(m)
-}
-
-func (x *seaweedMessagingPublishClient) Recv() (*PublishResponse, error) {
-	m := new(PublishResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *seaweedMessagingClient) DeleteTopic(ctx context.Context, in *DeleteTopicRequest, opts ...grpc.CallOption) (*DeleteTopicResponse, error) {
-	out := new(DeleteTopicResponse)
-	err := c.cc.Invoke(ctx, "/messaging_pb.SeaweedMessaging/DeleteTopic", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedMessagingClient) ConfigureTopic(ctx context.Context, in *ConfigureTopicRequest, opts ...grpc.CallOption) (*ConfigureTopicResponse, error) {
-	out := new(ConfigureTopicResponse)
-	err := c.cc.Invoke(ctx, "/messaging_pb.SeaweedMessaging/ConfigureTopic", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedMessagingClient) GetTopicConfiguration(ctx context.Context, in *GetTopicConfigurationRequest, opts ...grpc.CallOption) (*GetTopicConfigurationResponse, error) {
-	out := new(GetTopicConfigurationResponse)
-	err := c.cc.Invoke(ctx, "/messaging_pb.SeaweedMessaging/GetTopicConfiguration", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *seaweedMessagingClient) FindBroker(ctx context.Context, in *FindBrokerRequest, opts ...grpc.CallOption) (*FindBrokerResponse, error) {
-	out := new(FindBrokerResponse)
-	err := c.cc.Invoke(ctx, "/messaging_pb.SeaweedMessaging/FindBroker", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-// SeaweedMessagingServer is the server API for SeaweedMessaging service.
-type SeaweedMessagingServer interface {
-	Subscribe(SeaweedMessaging_SubscribeServer) error
-	Publish(SeaweedMessaging_PublishServer) error
-	DeleteTopic(context.Context, *DeleteTopicRequest) (*DeleteTopicResponse, error)
-	ConfigureTopic(context.Context, *ConfigureTopicRequest) (*ConfigureTopicResponse, error)
-	GetTopicConfiguration(context.Context, *GetTopicConfigurationRequest) (*GetTopicConfigurationResponse, error)
-	FindBroker(context.Context, *FindBrokerRequest) (*FindBrokerResponse, error)
-}
-
-// UnimplementedSeaweedMessagingServer can be embedded to have forward compatible implementations.
-type UnimplementedSeaweedMessagingServer struct {
-}
-
-func (*UnimplementedSeaweedMessagingServer) Subscribe(SeaweedMessaging_SubscribeServer) error {
-	return status.Errorf(codes.Unimplemented, "method Subscribe not implemented")
-}
-func (*UnimplementedSeaweedMessagingServer) Publish(SeaweedMessaging_PublishServer) error {
-	return status.Errorf(codes.Unimplemented, "method Publish not implemented")
-}
-func (*UnimplementedSeaweedMessagingServer) DeleteTopic(context.Context, *DeleteTopicRequest) (*DeleteTopicResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method DeleteTopic not implemented")
-}
-func (*UnimplementedSeaweedMessagingServer) ConfigureTopic(context.Context, *ConfigureTopicRequest) (*ConfigureTopicResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method ConfigureTopic not implemented")
-}
-func (*UnimplementedSeaweedMessagingServer) GetTopicConfiguration(context.Context, *GetTopicConfigurationRequest) (*GetTopicConfigurationResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method GetTopicConfiguration not implemented")
-}
-func (*UnimplementedSeaweedMessagingServer) FindBroker(context.Context, *FindBrokerRequest) (*FindBrokerResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method FindBroker not implemented")
-}
-
-func RegisterSeaweedMessagingServer(s *grpc.Server, srv SeaweedMessagingServer) {
-	s.RegisterService(&_SeaweedMessaging_serviceDesc, srv)
-}
-
-func _SeaweedMessaging_Subscribe_Handler(srv interface{}, stream grpc.ServerStream) error {
-	return srv.(SeaweedMessagingServer).Subscribe(&seaweedMessagingSubscribeServer{stream})
-}
-
-type SeaweedMessaging_SubscribeServer interface {
-	Send(*BrokerMessage) error
-	Recv() (*SubscriberMessage, error)
-	grpc.ServerStream
-}
-
-type seaweedMessagingSubscribeServer struct {
-	grpc.ServerStream
-}
-
-func (x *seaweedMessagingSubscribeServer) Send(m *BrokerMessage) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func (x *seaweedMessagingSubscribeServer) Recv() (*SubscriberMessage, error) {
-	m := new(SubscriberMessage)
-	if err := x.ServerStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func _SeaweedMessaging_Publish_Handler(srv interface{}, stream grpc.ServerStream) error {
-	return srv.(SeaweedMessagingServer).Publish(&seaweedMessagingPublishServer{stream})
-}
-
-type SeaweedMessaging_PublishServer interface {
-	Send(*PublishResponse) error
-	Recv() (*PublishRequest, error)
-	grpc.ServerStream
-}
-
-type seaweedMessagingPublishServer struct {
-	grpc.ServerStream
-}
-
-func (x *seaweedMessagingPublishServer) Send(m *PublishResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func (x *seaweedMessagingPublishServer) Recv() (*PublishRequest, error) {
-	m := new(PublishRequest)
-	if err := x.ServerStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func _SeaweedMessaging_DeleteTopic_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(DeleteTopicRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedMessagingServer).DeleteTopic(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/messaging_pb.SeaweedMessaging/DeleteTopic",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedMessagingServer).DeleteTopic(ctx, req.(*DeleteTopicRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _SeaweedMessaging_ConfigureTopic_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(ConfigureTopicRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedMessagingServer).ConfigureTopic(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/messaging_pb.SeaweedMessaging/ConfigureTopic",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedMessagingServer).ConfigureTopic(ctx, req.(*ConfigureTopicRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _SeaweedMessaging_GetTopicConfiguration_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(GetTopicConfigurationRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedMessagingServer).GetTopicConfiguration(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/messaging_pb.SeaweedMessaging/GetTopicConfiguration",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedMessagingServer).GetTopicConfiguration(ctx, req.(*GetTopicConfigurationRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _SeaweedMessaging_FindBroker_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(FindBrokerRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SeaweedMessagingServer).FindBroker(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/messaging_pb.SeaweedMessaging/FindBroker",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SeaweedMessagingServer).FindBroker(ctx, req.(*FindBrokerRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-var _SeaweedMessaging_serviceDesc = grpc.ServiceDesc{
-	ServiceName: "messaging_pb.SeaweedMessaging",
-	HandlerType: (*SeaweedMessagingServer)(nil),
-	Methods: []grpc.MethodDesc{
-		{
-			MethodName: "DeleteTopic",
-			Handler:    _SeaweedMessaging_DeleteTopic_Handler,
-		},
-		{
-			MethodName: "ConfigureTopic",
-			Handler:    _SeaweedMessaging_ConfigureTopic_Handler,
-		},
-		{
-			MethodName: "GetTopicConfiguration",
-			Handler:    _SeaweedMessaging_GetTopicConfiguration_Handler,
-		},
-		{
-			MethodName: "FindBroker",
-			Handler:    _SeaweedMessaging_FindBroker_Handler,
-		},
-	},
-	Streams: []grpc.StreamDesc{
-		{
-			StreamName:    "Subscribe",
-			Handler:       _SeaweedMessaging_Subscribe_Handler,
-			ServerStreams: true,
-			ClientStreams: true,
-		},
-		{
-			StreamName:    "Publish",
-			Handler:       _SeaweedMessaging_Publish_Handler,
-			ServerStreams: true,
-			ClientStreams: true,
-		},
-	},
-	Metadata: "messaging.proto",
-}
diff --git a/weed/pb/messaging_pb/messaging_grpc.pb.go b/weed/pb/messaging_pb/messaging_grpc.pb.go
new file mode 100644
index 000000000..234cffa95
--- /dev/null
+++ b/weed/pb/messaging_pb/messaging_grpc.pb.go
@@ -0,0 +1,346 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+
+package messaging_pb
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// SeaweedMessagingClient is the client API for SeaweedMessaging service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type SeaweedMessagingClient interface {
+	Subscribe(ctx context.Context, opts ...grpc.CallOption) (SeaweedMessaging_SubscribeClient, error)
+	Publish(ctx context.Context, opts ...grpc.CallOption) (SeaweedMessaging_PublishClient, error)
+	DeleteTopic(ctx context.Context, in *DeleteTopicRequest, opts ...grpc.CallOption) (*DeleteTopicResponse, error)
+	ConfigureTopic(ctx context.Context, in *ConfigureTopicRequest, opts ...grpc.CallOption) (*ConfigureTopicResponse, error)
+	GetTopicConfiguration(ctx context.Context, in *GetTopicConfigurationRequest, opts ...grpc.CallOption) (*GetTopicConfigurationResponse, error)
+	FindBroker(ctx context.Context, in *FindBrokerRequest, opts ...grpc.CallOption) (*FindBrokerResponse, error)
+}
+
+type seaweedMessagingClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewSeaweedMessagingClient(cc grpc.ClientConnInterface) SeaweedMessagingClient {
+	return &seaweedMessagingClient{cc}
+}
+
+func (c *seaweedMessagingClient) Subscribe(ctx context.Context, opts ...grpc.CallOption) (SeaweedMessaging_SubscribeClient, error) {
+	stream, err := c.cc.NewStream(ctx, &SeaweedMessaging_ServiceDesc.Streams[0], "/messaging_pb.SeaweedMessaging/Subscribe", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &seaweedMessagingSubscribeClient{stream}
+	return x, nil
+}
+
+type SeaweedMessaging_SubscribeClient interface {
+	Send(*SubscriberMessage) error
+	Recv() (*BrokerMessage, error)
+	grpc.ClientStream
+}
+
+type seaweedMessagingSubscribeClient struct {
+	grpc.ClientStream
+}
+
+func (x *seaweedMessagingSubscribeClient) Send(m *SubscriberMessage) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *seaweedMessagingSubscribeClient) Recv() (*BrokerMessage, error) {
+	m := new(BrokerMessage)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *seaweedMessagingClient) Publish(ctx context.Context, opts ...grpc.CallOption) (SeaweedMessaging_PublishClient, error) {
+	stream, err := c.cc.NewStream(ctx, &SeaweedMessaging_ServiceDesc.Streams[1], "/messaging_pb.SeaweedMessaging/Publish", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &seaweedMessagingPublishClient{stream}
+	return x, nil
+}
+
+type SeaweedMessaging_PublishClient interface {
+	Send(*PublishRequest) error
+	Recv() (*PublishResponse, error)
+	grpc.ClientStream
+}
+
+type seaweedMessagingPublishClient struct {
+	grpc.ClientStream
+}
+
+func (x *seaweedMessagingPublishClient) Send(m *PublishRequest) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *seaweedMessagingPublishClient) Recv() (*PublishResponse, error) {
+	m := new(PublishResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *seaweedMessagingClient) DeleteTopic(ctx context.Context, in *DeleteTopicRequest, opts ...grpc.CallOption) (*DeleteTopicResponse, error) {
+	out := new(DeleteTopicResponse)
+	err := c.cc.Invoke(ctx, "/messaging_pb.SeaweedMessaging/DeleteTopic", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedMessagingClient) ConfigureTopic(ctx context.Context, in *ConfigureTopicRequest, opts ...grpc.CallOption) (*ConfigureTopicResponse, error) {
+	out := new(ConfigureTopicResponse)
+	err := c.cc.Invoke(ctx, "/messaging_pb.SeaweedMessaging/ConfigureTopic", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedMessagingClient) GetTopicConfiguration(ctx context.Context, in *GetTopicConfigurationRequest, opts ...grpc.CallOption) (*GetTopicConfigurationResponse, error) {
+	out := new(GetTopicConfigurationResponse)
+	err := c.cc.Invoke(ctx, "/messaging_pb.SeaweedMessaging/GetTopicConfiguration", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *seaweedMessagingClient) FindBroker(ctx context.Context, in *FindBrokerRequest, opts ...grpc.CallOption) (*FindBrokerResponse, error) {
+	out := new(FindBrokerResponse)
+	err := c.cc.Invoke(ctx, "/messaging_pb.SeaweedMessaging/FindBroker", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// SeaweedMessagingServer is the server API for SeaweedMessaging service.
+// All implementations must embed UnimplementedSeaweedMessagingServer
+// for forward compatibility
+type SeaweedMessagingServer interface {
+	Subscribe(SeaweedMessaging_SubscribeServer) error
+	Publish(SeaweedMessaging_PublishServer) error
+	DeleteTopic(context.Context, *DeleteTopicRequest) (*DeleteTopicResponse, error)
+	ConfigureTopic(context.Context, *ConfigureTopicRequest) (*ConfigureTopicResponse, error)
+	GetTopicConfiguration(context.Context, *GetTopicConfigurationRequest) (*GetTopicConfigurationResponse, error)
+	FindBroker(context.Context, *FindBrokerRequest) (*FindBrokerResponse, error)
+	mustEmbedUnimplementedSeaweedMessagingServer()
+}
+
+// UnimplementedSeaweedMessagingServer must be embedded to have forward compatible implementations.
+type UnimplementedSeaweedMessagingServer struct {
+}
+
+func (UnimplementedSeaweedMessagingServer) Subscribe(SeaweedMessaging_SubscribeServer) error {
+	return status.Errorf(codes.Unimplemented, "method Subscribe not implemented")
+}
+func (UnimplementedSeaweedMessagingServer) Publish(SeaweedMessaging_PublishServer) error {
+	return status.Errorf(codes.Unimplemented, "method Publish not implemented")
+}
+func (UnimplementedSeaweedMessagingServer) DeleteTopic(context.Context, *DeleteTopicRequest) (*DeleteTopicResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DeleteTopic not implemented")
+}
+func (UnimplementedSeaweedMessagingServer) ConfigureTopic(context.Context, *ConfigureTopicRequest) (*ConfigureTopicResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ConfigureTopic not implemented")
+}
+func (UnimplementedSeaweedMessagingServer) GetTopicConfiguration(context.Context, *GetTopicConfigurationRequest) (*GetTopicConfigurationResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetTopicConfiguration not implemented")
+}
+func (UnimplementedSeaweedMessagingServer) FindBroker(context.Context, *FindBrokerRequest) (*FindBrokerResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method FindBroker not implemented")
+}
+func (UnimplementedSeaweedMessagingServer) mustEmbedUnimplementedSeaweedMessagingServer() {}
+
+// UnsafeSeaweedMessagingServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to SeaweedMessagingServer will
+// result in compilation errors.
+type UnsafeSeaweedMessagingServer interface {
+	mustEmbedUnimplementedSeaweedMessagingServer()
+}
+
+func RegisterSeaweedMessagingServer(s grpc.ServiceRegistrar, srv SeaweedMessagingServer) {
+	s.RegisterService(&SeaweedMessaging_ServiceDesc, srv)
+}
+
+func _SeaweedMessaging_Subscribe_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(SeaweedMessagingServer).Subscribe(&seaweedMessagingSubscribeServer{stream})
+}
+
+type SeaweedMessaging_SubscribeServer interface {
+	Send(*BrokerMessage) error
+	Recv() (*SubscriberMessage, error)
+	grpc.ServerStream
+}
+
+type seaweedMessagingSubscribeServer struct {
+	grpc.ServerStream
+}
+
+func (x *seaweedMessagingSubscribeServer) Send(m *BrokerMessage) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *seaweedMessagingSubscribeServer) Recv() (*SubscriberMessage, error) {
+	m := new(SubscriberMessage)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func _SeaweedMessaging_Publish_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(SeaweedMessagingServer).Publish(&seaweedMessagingPublishServer{stream})
+}
+
+type SeaweedMessaging_PublishServer interface {
+	Send(*PublishResponse) error
+	Recv() (*PublishRequest, error)
+	grpc.ServerStream
+}
+
+type seaweedMessagingPublishServer struct {
+	grpc.ServerStream
+}
+
+func (x *seaweedMessagingPublishServer) Send(m *PublishResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *seaweedMessagingPublishServer) Recv() (*PublishRequest, error) {
+	m := new(PublishRequest)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func _SeaweedMessaging_DeleteTopic_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeleteTopicRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedMessagingServer).DeleteTopic(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/messaging_pb.SeaweedMessaging/DeleteTopic",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedMessagingServer).DeleteTopic(ctx, req.(*DeleteTopicRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SeaweedMessaging_ConfigureTopic_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ConfigureTopicRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedMessagingServer).ConfigureTopic(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/messaging_pb.SeaweedMessaging/ConfigureTopic",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedMessagingServer).ConfigureTopic(ctx, req.(*ConfigureTopicRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SeaweedMessaging_GetTopicConfiguration_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetTopicConfigurationRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedMessagingServer).GetTopicConfiguration(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/messaging_pb.SeaweedMessaging/GetTopicConfiguration",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedMessagingServer).GetTopicConfiguration(ctx, req.(*GetTopicConfigurationRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _SeaweedMessaging_FindBroker_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(FindBrokerRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SeaweedMessagingServer).FindBroker(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/messaging_pb.SeaweedMessaging/FindBroker",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SeaweedMessagingServer).FindBroker(ctx, req.(*FindBrokerRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// SeaweedMessaging_ServiceDesc is the grpc.ServiceDesc for SeaweedMessaging service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var SeaweedMessaging_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "messaging_pb.SeaweedMessaging",
+	HandlerType: (*SeaweedMessagingServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "DeleteTopic",
+			Handler:    _SeaweedMessaging_DeleteTopic_Handler,
+		},
+		{
+			MethodName: "ConfigureTopic",
+			Handler:    _SeaweedMessaging_ConfigureTopic_Handler,
+		},
+		{
+			MethodName: "GetTopicConfiguration",
+			Handler:    _SeaweedMessaging_GetTopicConfiguration_Handler,
+		},
+		{
+			MethodName: "FindBroker",
+			Handler:    _SeaweedMessaging_FindBroker_Handler,
+		},
+	},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "Subscribe",
+			Handler:       _SeaweedMessaging_Subscribe_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
+		{
+			StreamName:    "Publish",
+			Handler:       _SeaweedMessaging_Publish_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
+	},
+	Metadata: "messaging.proto",
+}
diff --git a/weed/pb/remote_pb/remote.pb.go b/weed/pb/remote_pb/remote.pb.go
index fef9556fe..8f1bd9b5f 100644
--- a/weed/pb/remote_pb/remote.pb.go
+++ b/weed/pb/remote_pb/remote.pb.go
@@ -1,13 +1,12 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.25.0
-// 	protoc        v3.12.3
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.17.3
 // source: remote.proto
 
 package remote_pb
 
 import (
-	proto "github.com/golang/protobuf/proto"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
@@ -21,10 +20,6 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-// This is a compile-time assertion that a sufficiently up-to-date version
-// of the legacy proto package is being used.
-const _ = proto.ProtoPackageIsVersion4
-
 /////////////////////////
 // Remote Storage related
 /////////////////////////
diff --git a/weed/pb/volume_server_pb/volume_server.pb.go b/weed/pb/volume_server_pb/volume_server.pb.go
index f73596c46..5ff6aa459 100644
--- a/weed/pb/volume_server_pb/volume_server.pb.go
+++ b/weed/pb/volume_server_pb/volume_server.pb.go
@@ -1,18 +1,13 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.25.0
-// 	protoc        v3.12.3
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.17.3
 // source: volume_server.proto
 
 package volume_server_pb
 
 import (
-	context "context"
 	remote_pb "github.com/chrislusf/seaweedfs/weed/pb/remote_pb"
-	proto "github.com/golang/protobuf/proto"
-	grpc "google.golang.org/grpc"
-	codes "google.golang.org/grpc/codes"
-	status "google.golang.org/grpc/status"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
@@ -26,10 +21,6 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-// This is a compile-time assertion that a sufficiently up-to-date version
-// of the legacy proto package is being used.
-const _ = proto.ProtoPackageIsVersion4
-
 type BatchDeleteRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -7742,1770 +7733,3 @@ func file_volume_server_proto_init() {
 	file_volume_server_proto_goTypes = nil
 	file_volume_server_proto_depIdxs = nil
 }
-
-// Reference imports to suppress errors if they are not otherwise used.
-var _ context.Context
-var _ grpc.ClientConnInterface
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the grpc package it is being compiled against.
-const _ = grpc.SupportPackageIsVersion6
-
-// VolumeServerClient is the client API for VolumeServer service.
-//
-// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
-type VolumeServerClient interface {
-	//Experts only: takes multiple fid parameters. This function does not propagate deletes to replicas.
-	BatchDelete(ctx context.Context, in *BatchDeleteRequest, opts ...grpc.CallOption) (*BatchDeleteResponse, error)
-	VacuumVolumeCheck(ctx context.Context, in *VacuumVolumeCheckRequest, opts ...grpc.CallOption) (*VacuumVolumeCheckResponse, error)
-	VacuumVolumeCompact(ctx context.Context, in *VacuumVolumeCompactRequest, opts ...grpc.CallOption) (VolumeServer_VacuumVolumeCompactClient, error)
-	VacuumVolumeCommit(ctx context.Context, in *VacuumVolumeCommitRequest, opts ...grpc.CallOption) (*VacuumVolumeCommitResponse, error)
-	VacuumVolumeCleanup(ctx context.Context, in *VacuumVolumeCleanupRequest, opts ...grpc.CallOption) (*VacuumVolumeCleanupResponse, error)
-	DeleteCollection(ctx context.Context, in *DeleteCollectionRequest, opts ...grpc.CallOption) (*DeleteCollectionResponse, error)
-	AllocateVolume(ctx context.Context, in *AllocateVolumeRequest, opts ...grpc.CallOption) (*AllocateVolumeResponse, error)
-	VolumeSyncStatus(ctx context.Context, in *VolumeSyncStatusRequest, opts ...grpc.CallOption) (*VolumeSyncStatusResponse, error)
-	VolumeIncrementalCopy(ctx context.Context, in *VolumeIncrementalCopyRequest, opts ...grpc.CallOption) (VolumeServer_VolumeIncrementalCopyClient, error)
-	VolumeMount(ctx context.Context, in *VolumeMountRequest, opts ...grpc.CallOption) (*VolumeMountResponse, error)
-	VolumeUnmount(ctx context.Context, in *VolumeUnmountRequest, opts ...grpc.CallOption) (*VolumeUnmountResponse, error)
-	VolumeDelete(ctx context.Context, in *VolumeDeleteRequest, opts ...grpc.CallOption) (*VolumeDeleteResponse, error)
-	VolumeMarkReadonly(ctx context.Context, in *VolumeMarkReadonlyRequest, opts ...grpc.CallOption) (*VolumeMarkReadonlyResponse, error)
-	VolumeMarkWritable(ctx context.Context, in *VolumeMarkWritableRequest, opts ...grpc.CallOption) (*VolumeMarkWritableResponse, error)
-	VolumeConfigure(ctx context.Context, in *VolumeConfigureRequest, opts ...grpc.CallOption) (*VolumeConfigureResponse, error)
-	VolumeStatus(ctx context.Context, in *VolumeStatusRequest, opts ...grpc.CallOption) (*VolumeStatusResponse, error)
-	// copy the .idx .dat files, and mount this volume
-	VolumeCopy(ctx context.Context, in *VolumeCopyRequest, opts ...grpc.CallOption) (VolumeServer_VolumeCopyClient, error)
-	ReadVolumeFileStatus(ctx context.Context, in *ReadVolumeFileStatusRequest, opts ...grpc.CallOption) (*ReadVolumeFileStatusResponse, error)
-	CopyFile(ctx context.Context, in *CopyFileRequest, opts ...grpc.CallOption) (VolumeServer_CopyFileClient, error)
-	ReadNeedleBlob(ctx context.Context, in *ReadNeedleBlobRequest, opts ...grpc.CallOption) (*ReadNeedleBlobResponse, error)
-	WriteNeedleBlob(ctx context.Context, in *WriteNeedleBlobRequest, opts ...grpc.CallOption) (*WriteNeedleBlobResponse, error)
-	ReadAllNeedles(ctx context.Context, in *ReadAllNeedlesRequest, opts ...grpc.CallOption) (VolumeServer_ReadAllNeedlesClient, error)
-	VolumeTailSender(ctx context.Context, in *VolumeTailSenderRequest, opts ...grpc.CallOption) (VolumeServer_VolumeTailSenderClient, error)
-	VolumeTailReceiver(ctx context.Context, in *VolumeTailReceiverRequest, opts ...grpc.CallOption) (*VolumeTailReceiverResponse, error)
-	// erasure coding
-	VolumeEcShardsGenerate(ctx context.Context, in *VolumeEcShardsGenerateRequest, opts ...grpc.CallOption) (*VolumeEcShardsGenerateResponse, error)
-	VolumeEcShardsRebuild(ctx context.Context, in *VolumeEcShardsRebuildRequest, opts ...grpc.CallOption) (*VolumeEcShardsRebuildResponse, error)
-	VolumeEcShardsCopy(ctx context.Context, in *VolumeEcShardsCopyRequest, opts ...grpc.CallOption) (*VolumeEcShardsCopyResponse, error)
-	VolumeEcShardsDelete(ctx context.Context, in *VolumeEcShardsDeleteRequest, opts ...grpc.CallOption) (*VolumeEcShardsDeleteResponse, error)
-	VolumeEcShardsMount(ctx context.Context, in *VolumeEcShardsMountRequest, opts ...grpc.CallOption) (*VolumeEcShardsMountResponse, error)
-	VolumeEcShardsUnmount(ctx context.Context, in *VolumeEcShardsUnmountRequest, opts ...grpc.CallOption) (*VolumeEcShardsUnmountResponse, error)
-	VolumeEcShardRead(ctx context.Context, in *VolumeEcShardReadRequest, opts ...grpc.CallOption) (VolumeServer_VolumeEcShardReadClient, error)
-	VolumeEcBlobDelete(ctx context.Context, in *VolumeEcBlobDeleteRequest, opts ...grpc.CallOption) (*VolumeEcBlobDeleteResponse, error)
-	VolumeEcShardsToVolume(ctx context.Context, in *VolumeEcShardsToVolumeRequest, opts ...grpc.CallOption) (*VolumeEcShardsToVolumeResponse, error)
-	// tiered storage
-	VolumeTierMoveDatToRemote(ctx context.Context, in *VolumeTierMoveDatToRemoteRequest, opts ...grpc.CallOption) (VolumeServer_VolumeTierMoveDatToRemoteClient, error)
-	VolumeTierMoveDatFromRemote(ctx context.Context, in *VolumeTierMoveDatFromRemoteRequest, opts ...grpc.CallOption) (VolumeServer_VolumeTierMoveDatFromRemoteClient, error)
-	VolumeServerStatus(ctx context.Context, in *VolumeServerStatusRequest, opts ...grpc.CallOption) (*VolumeServerStatusResponse, error)
-	VolumeServerLeave(ctx context.Context, in *VolumeServerLeaveRequest, opts ...grpc.CallOption) (*VolumeServerLeaveResponse, error)
-	// remote storage
-	FetchAndWriteNeedle(ctx context.Context, in *FetchAndWriteNeedleRequest, opts ...grpc.CallOption) (*FetchAndWriteNeedleResponse, error)
-	// <experimental> query
-	Query(ctx context.Context, in *QueryRequest, opts ...grpc.CallOption) (VolumeServer_QueryClient, error)
-	VolumeNeedleStatus(ctx context.Context, in *VolumeNeedleStatusRequest, opts ...grpc.CallOption) (*VolumeNeedleStatusResponse, error)
-}
-
-type volumeServerClient struct {
-	cc grpc.ClientConnInterface
-}
-
-func NewVolumeServerClient(cc grpc.ClientConnInterface) VolumeServerClient {
-	return &volumeServerClient{cc}
-}
-
-func (c *volumeServerClient) BatchDelete(ctx context.Context, in *BatchDeleteRequest, opts ...grpc.CallOption) (*BatchDeleteResponse, error) {
-	out := new(BatchDeleteResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/BatchDelete", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VacuumVolumeCheck(ctx context.Context, in *VacuumVolumeCheckRequest, opts ...grpc.CallOption) (*VacuumVolumeCheckResponse, error) {
-	out := new(VacuumVolumeCheckResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VacuumVolumeCheck", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VacuumVolumeCompact(ctx context.Context, in *VacuumVolumeCompactRequest, opts ...grpc.CallOption) (VolumeServer_VacuumVolumeCompactClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_VolumeServer_serviceDesc.Streams[0], "/volume_server_pb.VolumeServer/VacuumVolumeCompact", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &volumeServerVacuumVolumeCompactClient{stream}
-	if err := x.ClientStream.SendMsg(in); err != nil {
-		return nil, err
-	}
-	if err := x.ClientStream.CloseSend(); err != nil {
-		return nil, err
-	}
-	return x, nil
-}
-
-type VolumeServer_VacuumVolumeCompactClient interface {
-	Recv() (*VacuumVolumeCompactResponse, error)
-	grpc.ClientStream
-}
-
-type volumeServerVacuumVolumeCompactClient struct {
-	grpc.ClientStream
-}
-
-func (x *volumeServerVacuumVolumeCompactClient) Recv() (*VacuumVolumeCompactResponse, error) {
-	m := new(VacuumVolumeCompactResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *volumeServerClient) VacuumVolumeCommit(ctx context.Context, in *VacuumVolumeCommitRequest, opts ...grpc.CallOption) (*VacuumVolumeCommitResponse, error) {
-	out := new(VacuumVolumeCommitResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VacuumVolumeCommit", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VacuumVolumeCleanup(ctx context.Context, in *VacuumVolumeCleanupRequest, opts ...grpc.CallOption) (*VacuumVolumeCleanupResponse, error) {
-	out := new(VacuumVolumeCleanupResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VacuumVolumeCleanup", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) DeleteCollection(ctx context.Context, in *DeleteCollectionRequest, opts ...grpc.CallOption) (*DeleteCollectionResponse, error) {
-	out := new(DeleteCollectionResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/DeleteCollection", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) AllocateVolume(ctx context.Context, in *AllocateVolumeRequest, opts ...grpc.CallOption) (*AllocateVolumeResponse, error) {
-	out := new(AllocateVolumeResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/AllocateVolume", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VolumeSyncStatus(ctx context.Context, in *VolumeSyncStatusRequest, opts ...grpc.CallOption) (*VolumeSyncStatusResponse, error) {
-	out := new(VolumeSyncStatusResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeSyncStatus", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VolumeIncrementalCopy(ctx context.Context, in *VolumeIncrementalCopyRequest, opts ...grpc.CallOption) (VolumeServer_VolumeIncrementalCopyClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_VolumeServer_serviceDesc.Streams[1], "/volume_server_pb.VolumeServer/VolumeIncrementalCopy", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &volumeServerVolumeIncrementalCopyClient{stream}
-	if err := x.ClientStream.SendMsg(in); err != nil {
-		return nil, err
-	}
-	if err := x.ClientStream.CloseSend(); err != nil {
-		return nil, err
-	}
-	return x, nil
-}
-
-type VolumeServer_VolumeIncrementalCopyClient interface {
-	Recv() (*VolumeIncrementalCopyResponse, error)
-	grpc.ClientStream
-}
-
-type volumeServerVolumeIncrementalCopyClient struct {
-	grpc.ClientStream
-}
-
-func (x *volumeServerVolumeIncrementalCopyClient) Recv() (*VolumeIncrementalCopyResponse, error) {
-	m := new(VolumeIncrementalCopyResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *volumeServerClient) VolumeMount(ctx context.Context, in *VolumeMountRequest, opts ...grpc.CallOption) (*VolumeMountResponse, error) {
-	out := new(VolumeMountResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeMount", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VolumeUnmount(ctx context.Context, in *VolumeUnmountRequest, opts ...grpc.CallOption) (*VolumeUnmountResponse, error) {
-	out := new(VolumeUnmountResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeUnmount", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VolumeDelete(ctx context.Context, in *VolumeDeleteRequest, opts ...grpc.CallOption) (*VolumeDeleteResponse, error) {
-	out := new(VolumeDeleteResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeDelete", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VolumeMarkReadonly(ctx context.Context, in *VolumeMarkReadonlyRequest, opts ...grpc.CallOption) (*VolumeMarkReadonlyResponse, error) {
-	out := new(VolumeMarkReadonlyResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeMarkReadonly", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VolumeMarkWritable(ctx context.Context, in *VolumeMarkWritableRequest, opts ...grpc.CallOption) (*VolumeMarkWritableResponse, error) {
-	out := new(VolumeMarkWritableResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeMarkWritable", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VolumeConfigure(ctx context.Context, in *VolumeConfigureRequest, opts ...grpc.CallOption) (*VolumeConfigureResponse, error) {
-	out := new(VolumeConfigureResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeConfigure", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VolumeStatus(ctx context.Context, in *VolumeStatusRequest, opts ...grpc.CallOption) (*VolumeStatusResponse, error) {
-	out := new(VolumeStatusResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeStatus", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VolumeCopy(ctx context.Context, in *VolumeCopyRequest, opts ...grpc.CallOption) (VolumeServer_VolumeCopyClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_VolumeServer_serviceDesc.Streams[2], "/volume_server_pb.VolumeServer/VolumeCopy", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &volumeServerVolumeCopyClient{stream}
-	if err := x.ClientStream.SendMsg(in); err != nil {
-		return nil, err
-	}
-	if err := x.ClientStream.CloseSend(); err != nil {
-		return nil, err
-	}
-	return x, nil
-}
-
-type VolumeServer_VolumeCopyClient interface {
-	Recv() (*VolumeCopyResponse, error)
-	grpc.ClientStream
-}
-
-type volumeServerVolumeCopyClient struct {
-	grpc.ClientStream
-}
-
-func (x *volumeServerVolumeCopyClient) Recv() (*VolumeCopyResponse, error) {
-	m := new(VolumeCopyResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *volumeServerClient) ReadVolumeFileStatus(ctx context.Context, in *ReadVolumeFileStatusRequest, opts ...grpc.CallOption) (*ReadVolumeFileStatusResponse, error) {
-	out := new(ReadVolumeFileStatusResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/ReadVolumeFileStatus", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) CopyFile(ctx context.Context, in *CopyFileRequest, opts ...grpc.CallOption) (VolumeServer_CopyFileClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_VolumeServer_serviceDesc.Streams[3], "/volume_server_pb.VolumeServer/CopyFile", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &volumeServerCopyFileClient{stream}
-	if err := x.ClientStream.SendMsg(in); err != nil {
-		return nil, err
-	}
-	if err := x.ClientStream.CloseSend(); err != nil {
-		return nil, err
-	}
-	return x, nil
-}
-
-type VolumeServer_CopyFileClient interface {
-	Recv() (*CopyFileResponse, error)
-	grpc.ClientStream
-}
-
-type volumeServerCopyFileClient struct {
-	grpc.ClientStream
-}
-
-func (x *volumeServerCopyFileClient) Recv() (*CopyFileResponse, error) {
-	m := new(CopyFileResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *volumeServerClient) ReadNeedleBlob(ctx context.Context, in *ReadNeedleBlobRequest, opts ...grpc.CallOption) (*ReadNeedleBlobResponse, error) {
-	out := new(ReadNeedleBlobResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/ReadNeedleBlob", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) WriteNeedleBlob(ctx context.Context, in *WriteNeedleBlobRequest, opts ...grpc.CallOption) (*WriteNeedleBlobResponse, error) {
-	out := new(WriteNeedleBlobResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/WriteNeedleBlob", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) ReadAllNeedles(ctx context.Context, in *ReadAllNeedlesRequest, opts ...grpc.CallOption) (VolumeServer_ReadAllNeedlesClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_VolumeServer_serviceDesc.Streams[4], "/volume_server_pb.VolumeServer/ReadAllNeedles", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &volumeServerReadAllNeedlesClient{stream}
-	if err := x.ClientStream.SendMsg(in); err != nil {
-		return nil, err
-	}
-	if err := x.ClientStream.CloseSend(); err != nil {
-		return nil, err
-	}
-	return x, nil
-}
-
-type VolumeServer_ReadAllNeedlesClient interface {
-	Recv() (*ReadAllNeedlesResponse, error)
-	grpc.ClientStream
-}
-
-type volumeServerReadAllNeedlesClient struct {
-	grpc.ClientStream
-}
-
-func (x *volumeServerReadAllNeedlesClient) Recv() (*ReadAllNeedlesResponse, error) {
-	m := new(ReadAllNeedlesResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *volumeServerClient) VolumeTailSender(ctx context.Context, in *VolumeTailSenderRequest, opts ...grpc.CallOption) (VolumeServer_VolumeTailSenderClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_VolumeServer_serviceDesc.Streams[5], "/volume_server_pb.VolumeServer/VolumeTailSender", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &volumeServerVolumeTailSenderClient{stream}
-	if err := x.ClientStream.SendMsg(in); err != nil {
-		return nil, err
-	}
-	if err := x.ClientStream.CloseSend(); err != nil {
-		return nil, err
-	}
-	return x, nil
-}
-
-type VolumeServer_VolumeTailSenderClient interface {
-	Recv() (*VolumeTailSenderResponse, error)
-	grpc.ClientStream
-}
-
-type volumeServerVolumeTailSenderClient struct {
-	grpc.ClientStream
-}
-
-func (x *volumeServerVolumeTailSenderClient) Recv() (*VolumeTailSenderResponse, error) {
-	m := new(VolumeTailSenderResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *volumeServerClient) VolumeTailReceiver(ctx context.Context, in *VolumeTailReceiverRequest, opts ...grpc.CallOption) (*VolumeTailReceiverResponse, error) {
-	out := new(VolumeTailReceiverResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeTailReceiver", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VolumeEcShardsGenerate(ctx context.Context, in *VolumeEcShardsGenerateRequest, opts ...grpc.CallOption) (*VolumeEcShardsGenerateResponse, error) {
-	out := new(VolumeEcShardsGenerateResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeEcShardsGenerate", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VolumeEcShardsRebuild(ctx context.Context, in *VolumeEcShardsRebuildRequest, opts ...grpc.CallOption) (*VolumeEcShardsRebuildResponse, error) {
-	out := new(VolumeEcShardsRebuildResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeEcShardsRebuild", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VolumeEcShardsCopy(ctx context.Context, in *VolumeEcShardsCopyRequest, opts ...grpc.CallOption) (*VolumeEcShardsCopyResponse, error) {
-	out := new(VolumeEcShardsCopyResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeEcShardsCopy", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VolumeEcShardsDelete(ctx context.Context, in *VolumeEcShardsDeleteRequest, opts ...grpc.CallOption) (*VolumeEcShardsDeleteResponse, error) {
-	out := new(VolumeEcShardsDeleteResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeEcShardsDelete", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VolumeEcShardsMount(ctx context.Context, in *VolumeEcShardsMountRequest, opts ...grpc.CallOption) (*VolumeEcShardsMountResponse, error) {
-	out := new(VolumeEcShardsMountResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeEcShardsMount", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VolumeEcShardsUnmount(ctx context.Context, in *VolumeEcShardsUnmountRequest, opts ...grpc.CallOption) (*VolumeEcShardsUnmountResponse, error) {
-	out := new(VolumeEcShardsUnmountResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeEcShardsUnmount", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VolumeEcShardRead(ctx context.Context, in *VolumeEcShardReadRequest, opts ...grpc.CallOption) (VolumeServer_VolumeEcShardReadClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_VolumeServer_serviceDesc.Streams[6], "/volume_server_pb.VolumeServer/VolumeEcShardRead", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &volumeServerVolumeEcShardReadClient{stream}
-	if err := x.ClientStream.SendMsg(in); err != nil {
-		return nil, err
-	}
-	if err := x.ClientStream.CloseSend(); err != nil {
-		return nil, err
-	}
-	return x, nil
-}
-
-type VolumeServer_VolumeEcShardReadClient interface {
-	Recv() (*VolumeEcShardReadResponse, error)
-	grpc.ClientStream
-}
-
-type volumeServerVolumeEcShardReadClient struct {
-	grpc.ClientStream
-}
-
-func (x *volumeServerVolumeEcShardReadClient) Recv() (*VolumeEcShardReadResponse, error) {
-	m := new(VolumeEcShardReadResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *volumeServerClient) VolumeEcBlobDelete(ctx context.Context, in *VolumeEcBlobDeleteRequest, opts ...grpc.CallOption) (*VolumeEcBlobDeleteResponse, error) {
-	out := new(VolumeEcBlobDeleteResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeEcBlobDelete", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VolumeEcShardsToVolume(ctx context.Context, in *VolumeEcShardsToVolumeRequest, opts ...grpc.CallOption) (*VolumeEcShardsToVolumeResponse, error) {
-	out := new(VolumeEcShardsToVolumeResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeEcShardsToVolume", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VolumeTierMoveDatToRemote(ctx context.Context, in *VolumeTierMoveDatToRemoteRequest, opts ...grpc.CallOption) (VolumeServer_VolumeTierMoveDatToRemoteClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_VolumeServer_serviceDesc.Streams[7], "/volume_server_pb.VolumeServer/VolumeTierMoveDatToRemote", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &volumeServerVolumeTierMoveDatToRemoteClient{stream}
-	if err := x.ClientStream.SendMsg(in); err != nil {
-		return nil, err
-	}
-	if err := x.ClientStream.CloseSend(); err != nil {
-		return nil, err
-	}
-	return x, nil
-}
-
-type VolumeServer_VolumeTierMoveDatToRemoteClient interface {
-	Recv() (*VolumeTierMoveDatToRemoteResponse, error)
-	grpc.ClientStream
-}
-
-type volumeServerVolumeTierMoveDatToRemoteClient struct {
-	grpc.ClientStream
-}
-
-func (x *volumeServerVolumeTierMoveDatToRemoteClient) Recv() (*VolumeTierMoveDatToRemoteResponse, error) {
-	m := new(VolumeTierMoveDatToRemoteResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *volumeServerClient) VolumeTierMoveDatFromRemote(ctx context.Context, in *VolumeTierMoveDatFromRemoteRequest, opts ...grpc.CallOption) (VolumeServer_VolumeTierMoveDatFromRemoteClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_VolumeServer_serviceDesc.Streams[8], "/volume_server_pb.VolumeServer/VolumeTierMoveDatFromRemote", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &volumeServerVolumeTierMoveDatFromRemoteClient{stream}
-	if err := x.ClientStream.SendMsg(in); err != nil {
-		return nil, err
-	}
-	if err := x.ClientStream.CloseSend(); err != nil {
-		return nil, err
-	}
-	return x, nil
-}
-
-type VolumeServer_VolumeTierMoveDatFromRemoteClient interface {
-	Recv() (*VolumeTierMoveDatFromRemoteResponse, error)
-	grpc.ClientStream
-}
-
-type volumeServerVolumeTierMoveDatFromRemoteClient struct {
-	grpc.ClientStream
-}
-
-func (x *volumeServerVolumeTierMoveDatFromRemoteClient) Recv() (*VolumeTierMoveDatFromRemoteResponse, error) {
-	m := new(VolumeTierMoveDatFromRemoteResponse)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *volumeServerClient) VolumeServerStatus(ctx context.Context, in *VolumeServerStatusRequest, opts ...grpc.CallOption) (*VolumeServerStatusResponse, error) {
-	out := new(VolumeServerStatusResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeServerStatus", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) VolumeServerLeave(ctx context.Context, in *VolumeServerLeaveRequest, opts ...grpc.CallOption) (*VolumeServerLeaveResponse, error) {
-	out := new(VolumeServerLeaveResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeServerLeave", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) FetchAndWriteNeedle(ctx context.Context, in *FetchAndWriteNeedleRequest, opts ...grpc.CallOption) (*FetchAndWriteNeedleResponse, error) {
-	out := new(FetchAndWriteNeedleResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/FetchAndWriteNeedle", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *volumeServerClient) Query(ctx context.Context, in *QueryRequest, opts ...grpc.CallOption) (VolumeServer_QueryClient, error) {
-	stream, err := c.cc.NewStream(ctx, &_VolumeServer_serviceDesc.Streams[9], "/volume_server_pb.VolumeServer/Query", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &volumeServerQueryClient{stream}
-	if err := x.ClientStream.SendMsg(in); err != nil {
-		return nil, err
-	}
-	if err := x.ClientStream.CloseSend(); err != nil {
-		return nil, err
-	}
-	return x, nil
-}
-
-type VolumeServer_QueryClient interface {
-	Recv() (*QueriedStripe, error)
-	grpc.ClientStream
-}
-
-type volumeServerQueryClient struct {
-	grpc.ClientStream
-}
-
-func (x *volumeServerQueryClient) Recv() (*QueriedStripe, error) {
-	m := new(QueriedStripe)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-func (c *volumeServerClient) VolumeNeedleStatus(ctx context.Context, in *VolumeNeedleStatusRequest, opts ...grpc.CallOption) (*VolumeNeedleStatusResponse, error) {
-	out := new(VolumeNeedleStatusResponse)
-	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeNeedleStatus", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-// VolumeServerServer is the server API for VolumeServer service.
-type VolumeServerServer interface {
-	//Experts only: takes multiple fid parameters. This function does not propagate deletes to replicas.
-	BatchDelete(context.Context, *BatchDeleteRequest) (*BatchDeleteResponse, error)
-	VacuumVolumeCheck(context.Context, *VacuumVolumeCheckRequest) (*VacuumVolumeCheckResponse, error)
-	VacuumVolumeCompact(*VacuumVolumeCompactRequest, VolumeServer_VacuumVolumeCompactServer) error
-	VacuumVolumeCommit(context.Context, *VacuumVolumeCommitRequest) (*VacuumVolumeCommitResponse, error)
-	VacuumVolumeCleanup(context.Context, *VacuumVolumeCleanupRequest) (*VacuumVolumeCleanupResponse, error)
-	DeleteCollection(context.Context, *DeleteCollectionRequest) (*DeleteCollectionResponse, error)
-	AllocateVolume(context.Context, *AllocateVolumeRequest) (*AllocateVolumeResponse, error)
-	VolumeSyncStatus(context.Context, *VolumeSyncStatusRequest) (*VolumeSyncStatusResponse, error)
-	VolumeIncrementalCopy(*VolumeIncrementalCopyRequest, VolumeServer_VolumeIncrementalCopyServer) error
-	VolumeMount(context.Context, *VolumeMountRequest) (*VolumeMountResponse, error)
-	VolumeUnmount(context.Context, *VolumeUnmountRequest) (*VolumeUnmountResponse, error)
-	VolumeDelete(context.Context, *VolumeDeleteRequest) (*VolumeDeleteResponse, error)
-	VolumeMarkReadonly(context.Context, *VolumeMarkReadonlyRequest) (*VolumeMarkReadonlyResponse, error)
-	VolumeMarkWritable(context.Context, *VolumeMarkWritableRequest) (*VolumeMarkWritableResponse, error)
-	VolumeConfigure(context.Context, *VolumeConfigureRequest) (*VolumeConfigureResponse, error)
-	VolumeStatus(context.Context, *VolumeStatusRequest) (*VolumeStatusResponse, error)
-	// copy the .idx .dat files, and mount this volume
-	VolumeCopy(*VolumeCopyRequest, VolumeServer_VolumeCopyServer) error
-	ReadVolumeFileStatus(context.Context, *ReadVolumeFileStatusRequest) (*ReadVolumeFileStatusResponse, error)
-	CopyFile(*CopyFileRequest, VolumeServer_CopyFileServer) error
-	ReadNeedleBlob(context.Context, *ReadNeedleBlobRequest) (*ReadNeedleBlobResponse, error)
-	WriteNeedleBlob(context.Context, *WriteNeedleBlobRequest) (*WriteNeedleBlobResponse, error)
-	ReadAllNeedles(*ReadAllNeedlesRequest, VolumeServer_ReadAllNeedlesServer) error
-	VolumeTailSender(*VolumeTailSenderRequest, VolumeServer_VolumeTailSenderServer) error
-	VolumeTailReceiver(context.Context, *VolumeTailReceiverRequest) (*VolumeTailReceiverResponse, error)
-	// erasure coding
-	VolumeEcShardsGenerate(context.Context, *VolumeEcShardsGenerateRequest) (*VolumeEcShardsGenerateResponse, error)
-	VolumeEcShardsRebuild(context.Context, *VolumeEcShardsRebuildRequest) (*VolumeEcShardsRebuildResponse, error)
-	VolumeEcShardsCopy(context.Context, *VolumeEcShardsCopyRequest) (*VolumeEcShardsCopyResponse, error)
-	VolumeEcShardsDelete(context.Context, *VolumeEcShardsDeleteRequest) (*VolumeEcShardsDeleteResponse, error)
-	VolumeEcShardsMount(context.Context, *VolumeEcShardsMountRequest) (*VolumeEcShardsMountResponse, error)
-	VolumeEcShardsUnmount(context.Context, *VolumeEcShardsUnmountRequest) (*VolumeEcShardsUnmountResponse, error)
-	VolumeEcShardRead(*VolumeEcShardReadRequest, VolumeServer_VolumeEcShardReadServer) error
-	VolumeEcBlobDelete(context.Context, *VolumeEcBlobDeleteRequest) (*VolumeEcBlobDeleteResponse, error)
-	VolumeEcShardsToVolume(context.Context, *VolumeEcShardsToVolumeRequest) (*VolumeEcShardsToVolumeResponse, error)
-	// tiered storage
-	VolumeTierMoveDatToRemote(*VolumeTierMoveDatToRemoteRequest, VolumeServer_VolumeTierMoveDatToRemoteServer) error
-	VolumeTierMoveDatFromRemote(*VolumeTierMoveDatFromRemoteRequest, VolumeServer_VolumeTierMoveDatFromRemoteServer) error
-	VolumeServerStatus(context.Context, *VolumeServerStatusRequest) (*VolumeServerStatusResponse, error)
-	VolumeServerLeave(context.Context, *VolumeServerLeaveRequest) (*VolumeServerLeaveResponse, error)
-	// remote storage
-	FetchAndWriteNeedle(context.Context, *FetchAndWriteNeedleRequest) (*FetchAndWriteNeedleResponse, error)
-	// <experimental> query
-	Query(*QueryRequest, VolumeServer_QueryServer) error
-	VolumeNeedleStatus(context.Context, *VolumeNeedleStatusRequest) (*VolumeNeedleStatusResponse, error)
-}
-
-// UnimplementedVolumeServerServer can be embedded to have forward compatible implementations.
-type UnimplementedVolumeServerServer struct {
-}
-
-func (*UnimplementedVolumeServerServer) BatchDelete(context.Context, *BatchDeleteRequest) (*BatchDeleteResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method BatchDelete not implemented")
-}
-func (*UnimplementedVolumeServerServer) VacuumVolumeCheck(context.Context, *VacuumVolumeCheckRequest) (*VacuumVolumeCheckResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VacuumVolumeCheck not implemented")
-}
-func (*UnimplementedVolumeServerServer) VacuumVolumeCompact(*VacuumVolumeCompactRequest, VolumeServer_VacuumVolumeCompactServer) error {
-	return status.Errorf(codes.Unimplemented, "method VacuumVolumeCompact not implemented")
-}
-func (*UnimplementedVolumeServerServer) VacuumVolumeCommit(context.Context, *VacuumVolumeCommitRequest) (*VacuumVolumeCommitResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VacuumVolumeCommit not implemented")
-}
-func (*UnimplementedVolumeServerServer) VacuumVolumeCleanup(context.Context, *VacuumVolumeCleanupRequest) (*VacuumVolumeCleanupResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VacuumVolumeCleanup not implemented")
-}
-func (*UnimplementedVolumeServerServer) DeleteCollection(context.Context, *DeleteCollectionRequest) (*DeleteCollectionResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method DeleteCollection not implemented")
-}
-func (*UnimplementedVolumeServerServer) AllocateVolume(context.Context, *AllocateVolumeRequest) (*AllocateVolumeResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method AllocateVolume not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeSyncStatus(context.Context, *VolumeSyncStatusRequest) (*VolumeSyncStatusResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeSyncStatus not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeIncrementalCopy(*VolumeIncrementalCopyRequest, VolumeServer_VolumeIncrementalCopyServer) error {
-	return status.Errorf(codes.Unimplemented, "method VolumeIncrementalCopy not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeMount(context.Context, *VolumeMountRequest) (*VolumeMountResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeMount not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeUnmount(context.Context, *VolumeUnmountRequest) (*VolumeUnmountResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeUnmount not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeDelete(context.Context, *VolumeDeleteRequest) (*VolumeDeleteResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeDelete not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeMarkReadonly(context.Context, *VolumeMarkReadonlyRequest) (*VolumeMarkReadonlyResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeMarkReadonly not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeMarkWritable(context.Context, *VolumeMarkWritableRequest) (*VolumeMarkWritableResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeMarkWritable not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeConfigure(context.Context, *VolumeConfigureRequest) (*VolumeConfigureResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeConfigure not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeStatus(context.Context, *VolumeStatusRequest) (*VolumeStatusResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeStatus not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeCopy(*VolumeCopyRequest, VolumeServer_VolumeCopyServer) error {
-	return status.Errorf(codes.Unimplemented, "method VolumeCopy not implemented")
-}
-func (*UnimplementedVolumeServerServer) ReadVolumeFileStatus(context.Context, *ReadVolumeFileStatusRequest) (*ReadVolumeFileStatusResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method ReadVolumeFileStatus not implemented")
-}
-func (*UnimplementedVolumeServerServer) CopyFile(*CopyFileRequest, VolumeServer_CopyFileServer) error {
-	return status.Errorf(codes.Unimplemented, "method CopyFile not implemented")
-}
-func (*UnimplementedVolumeServerServer) ReadNeedleBlob(context.Context, *ReadNeedleBlobRequest) (*ReadNeedleBlobResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method ReadNeedleBlob not implemented")
-}
-func (*UnimplementedVolumeServerServer) WriteNeedleBlob(context.Context, *WriteNeedleBlobRequest) (*WriteNeedleBlobResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method WriteNeedleBlob not implemented")
-}
-func (*UnimplementedVolumeServerServer) ReadAllNeedles(*ReadAllNeedlesRequest, VolumeServer_ReadAllNeedlesServer) error {
-	return status.Errorf(codes.Unimplemented, "method ReadAllNeedles not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeTailSender(*VolumeTailSenderRequest, VolumeServer_VolumeTailSenderServer) error {
-	return status.Errorf(codes.Unimplemented, "method VolumeTailSender not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeTailReceiver(context.Context, *VolumeTailReceiverRequest) (*VolumeTailReceiverResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeTailReceiver not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeEcShardsGenerate(context.Context, *VolumeEcShardsGenerateRequest) (*VolumeEcShardsGenerateResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeEcShardsGenerate not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeEcShardsRebuild(context.Context, *VolumeEcShardsRebuildRequest) (*VolumeEcShardsRebuildResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeEcShardsRebuild not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeEcShardsCopy(context.Context, *VolumeEcShardsCopyRequest) (*VolumeEcShardsCopyResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeEcShardsCopy not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeEcShardsDelete(context.Context, *VolumeEcShardsDeleteRequest) (*VolumeEcShardsDeleteResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeEcShardsDelete not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeEcShardsMount(context.Context, *VolumeEcShardsMountRequest) (*VolumeEcShardsMountResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeEcShardsMount not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeEcShardsUnmount(context.Context, *VolumeEcShardsUnmountRequest) (*VolumeEcShardsUnmountResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeEcShardsUnmount not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeEcShardRead(*VolumeEcShardReadRequest, VolumeServer_VolumeEcShardReadServer) error {
-	return status.Errorf(codes.Unimplemented, "method VolumeEcShardRead not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeEcBlobDelete(context.Context, *VolumeEcBlobDeleteRequest) (*VolumeEcBlobDeleteResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeEcBlobDelete not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeEcShardsToVolume(context.Context, *VolumeEcShardsToVolumeRequest) (*VolumeEcShardsToVolumeResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeEcShardsToVolume not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeTierMoveDatToRemote(*VolumeTierMoveDatToRemoteRequest, VolumeServer_VolumeTierMoveDatToRemoteServer) error {
-	return status.Errorf(codes.Unimplemented, "method VolumeTierMoveDatToRemote not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeTierMoveDatFromRemote(*VolumeTierMoveDatFromRemoteRequest, VolumeServer_VolumeTierMoveDatFromRemoteServer) error {
-	return status.Errorf(codes.Unimplemented, "method VolumeTierMoveDatFromRemote not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeServerStatus(context.Context, *VolumeServerStatusRequest) (*VolumeServerStatusResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeServerStatus not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeServerLeave(context.Context, *VolumeServerLeaveRequest) (*VolumeServerLeaveResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeServerLeave not implemented")
-}
-func (*UnimplementedVolumeServerServer) FetchAndWriteNeedle(context.Context, *FetchAndWriteNeedleRequest) (*FetchAndWriteNeedleResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method FetchAndWriteNeedle not implemented")
-}
-func (*UnimplementedVolumeServerServer) Query(*QueryRequest, VolumeServer_QueryServer) error {
-	return status.Errorf(codes.Unimplemented, "method Query not implemented")
-}
-func (*UnimplementedVolumeServerServer) VolumeNeedleStatus(context.Context, *VolumeNeedleStatusRequest) (*VolumeNeedleStatusResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method VolumeNeedleStatus not implemented")
-}
-
-func RegisterVolumeServerServer(s *grpc.Server, srv VolumeServerServer) {
-	s.RegisterService(&_VolumeServer_serviceDesc, srv)
-}
-
-func _VolumeServer_BatchDelete_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(BatchDeleteRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).BatchDelete(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/BatchDelete",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).BatchDelete(ctx, req.(*BatchDeleteRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VacuumVolumeCheck_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VacuumVolumeCheckRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VacuumVolumeCheck(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VacuumVolumeCheck",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VacuumVolumeCheck(ctx, req.(*VacuumVolumeCheckRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VacuumVolumeCompact_Handler(srv interface{}, stream grpc.ServerStream) error {
-	m := new(VacuumVolumeCompactRequest)
-	if err := stream.RecvMsg(m); err != nil {
-		return err
-	}
-	return srv.(VolumeServerServer).VacuumVolumeCompact(m, &volumeServerVacuumVolumeCompactServer{stream})
-}
-
-type VolumeServer_VacuumVolumeCompactServer interface {
-	Send(*VacuumVolumeCompactResponse) error
-	grpc.ServerStream
-}
-
-type volumeServerVacuumVolumeCompactServer struct {
-	grpc.ServerStream
-}
-
-func (x *volumeServerVacuumVolumeCompactServer) Send(m *VacuumVolumeCompactResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func _VolumeServer_VacuumVolumeCommit_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VacuumVolumeCommitRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VacuumVolumeCommit(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VacuumVolumeCommit",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VacuumVolumeCommit(ctx, req.(*VacuumVolumeCommitRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VacuumVolumeCleanup_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VacuumVolumeCleanupRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VacuumVolumeCleanup(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VacuumVolumeCleanup",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VacuumVolumeCleanup(ctx, req.(*VacuumVolumeCleanupRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_DeleteCollection_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(DeleteCollectionRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).DeleteCollection(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/DeleteCollection",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).DeleteCollection(ctx, req.(*DeleteCollectionRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_AllocateVolume_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(AllocateVolumeRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).AllocateVolume(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/AllocateVolume",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).AllocateVolume(ctx, req.(*AllocateVolumeRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VolumeSyncStatus_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeSyncStatusRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeSyncStatus(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeSyncStatus",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeSyncStatus(ctx, req.(*VolumeSyncStatusRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VolumeIncrementalCopy_Handler(srv interface{}, stream grpc.ServerStream) error {
-	m := new(VolumeIncrementalCopyRequest)
-	if err := stream.RecvMsg(m); err != nil {
-		return err
-	}
-	return srv.(VolumeServerServer).VolumeIncrementalCopy(m, &volumeServerVolumeIncrementalCopyServer{stream})
-}
-
-type VolumeServer_VolumeIncrementalCopyServer interface {
-	Send(*VolumeIncrementalCopyResponse) error
-	grpc.ServerStream
-}
-
-type volumeServerVolumeIncrementalCopyServer struct {
-	grpc.ServerStream
-}
-
-func (x *volumeServerVolumeIncrementalCopyServer) Send(m *VolumeIncrementalCopyResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func _VolumeServer_VolumeMount_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeMountRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeMount(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeMount",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeMount(ctx, req.(*VolumeMountRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VolumeUnmount_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeUnmountRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeUnmount(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeUnmount",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeUnmount(ctx, req.(*VolumeUnmountRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VolumeDelete_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeDeleteRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeDelete(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeDelete",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeDelete(ctx, req.(*VolumeDeleteRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VolumeMarkReadonly_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeMarkReadonlyRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeMarkReadonly(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeMarkReadonly",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeMarkReadonly(ctx, req.(*VolumeMarkReadonlyRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VolumeMarkWritable_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeMarkWritableRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeMarkWritable(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeMarkWritable",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeMarkWritable(ctx, req.(*VolumeMarkWritableRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VolumeConfigure_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeConfigureRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeConfigure(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeConfigure",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeConfigure(ctx, req.(*VolumeConfigureRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VolumeStatus_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeStatusRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeStatus(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeStatus",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeStatus(ctx, req.(*VolumeStatusRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VolumeCopy_Handler(srv interface{}, stream grpc.ServerStream) error {
-	m := new(VolumeCopyRequest)
-	if err := stream.RecvMsg(m); err != nil {
-		return err
-	}
-	return srv.(VolumeServerServer).VolumeCopy(m, &volumeServerVolumeCopyServer{stream})
-}
-
-type VolumeServer_VolumeCopyServer interface {
-	Send(*VolumeCopyResponse) error
-	grpc.ServerStream
-}
-
-type volumeServerVolumeCopyServer struct {
-	grpc.ServerStream
-}
-
-func (x *volumeServerVolumeCopyServer) Send(m *VolumeCopyResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func _VolumeServer_ReadVolumeFileStatus_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(ReadVolumeFileStatusRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).ReadVolumeFileStatus(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/ReadVolumeFileStatus",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).ReadVolumeFileStatus(ctx, req.(*ReadVolumeFileStatusRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_CopyFile_Handler(srv interface{}, stream grpc.ServerStream) error {
-	m := new(CopyFileRequest)
-	if err := stream.RecvMsg(m); err != nil {
-		return err
-	}
-	return srv.(VolumeServerServer).CopyFile(m, &volumeServerCopyFileServer{stream})
-}
-
-type VolumeServer_CopyFileServer interface {
-	Send(*CopyFileResponse) error
-	grpc.ServerStream
-}
-
-type volumeServerCopyFileServer struct {
-	grpc.ServerStream
-}
-
-func (x *volumeServerCopyFileServer) Send(m *CopyFileResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func _VolumeServer_ReadNeedleBlob_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(ReadNeedleBlobRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).ReadNeedleBlob(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/ReadNeedleBlob",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).ReadNeedleBlob(ctx, req.(*ReadNeedleBlobRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_WriteNeedleBlob_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(WriteNeedleBlobRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).WriteNeedleBlob(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/WriteNeedleBlob",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).WriteNeedleBlob(ctx, req.(*WriteNeedleBlobRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_ReadAllNeedles_Handler(srv interface{}, stream grpc.ServerStream) error {
-	m := new(ReadAllNeedlesRequest)
-	if err := stream.RecvMsg(m); err != nil {
-		return err
-	}
-	return srv.(VolumeServerServer).ReadAllNeedles(m, &volumeServerReadAllNeedlesServer{stream})
-}
-
-type VolumeServer_ReadAllNeedlesServer interface {
-	Send(*ReadAllNeedlesResponse) error
-	grpc.ServerStream
-}
-
-type volumeServerReadAllNeedlesServer struct {
-	grpc.ServerStream
-}
-
-func (x *volumeServerReadAllNeedlesServer) Send(m *ReadAllNeedlesResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func _VolumeServer_VolumeTailSender_Handler(srv interface{}, stream grpc.ServerStream) error {
-	m := new(VolumeTailSenderRequest)
-	if err := stream.RecvMsg(m); err != nil {
-		return err
-	}
-	return srv.(VolumeServerServer).VolumeTailSender(m, &volumeServerVolumeTailSenderServer{stream})
-}
-
-type VolumeServer_VolumeTailSenderServer interface {
-	Send(*VolumeTailSenderResponse) error
-	grpc.ServerStream
-}
-
-type volumeServerVolumeTailSenderServer struct {
-	grpc.ServerStream
-}
-
-func (x *volumeServerVolumeTailSenderServer) Send(m *VolumeTailSenderResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func _VolumeServer_VolumeTailReceiver_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeTailReceiverRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeTailReceiver(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeTailReceiver",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeTailReceiver(ctx, req.(*VolumeTailReceiverRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VolumeEcShardsGenerate_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeEcShardsGenerateRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeEcShardsGenerate(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeEcShardsGenerate",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeEcShardsGenerate(ctx, req.(*VolumeEcShardsGenerateRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VolumeEcShardsRebuild_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeEcShardsRebuildRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeEcShardsRebuild(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeEcShardsRebuild",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeEcShardsRebuild(ctx, req.(*VolumeEcShardsRebuildRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VolumeEcShardsCopy_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeEcShardsCopyRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeEcShardsCopy(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeEcShardsCopy",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeEcShardsCopy(ctx, req.(*VolumeEcShardsCopyRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VolumeEcShardsDelete_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeEcShardsDeleteRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeEcShardsDelete(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeEcShardsDelete",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeEcShardsDelete(ctx, req.(*VolumeEcShardsDeleteRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VolumeEcShardsMount_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeEcShardsMountRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeEcShardsMount(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeEcShardsMount",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeEcShardsMount(ctx, req.(*VolumeEcShardsMountRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VolumeEcShardsUnmount_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeEcShardsUnmountRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeEcShardsUnmount(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeEcShardsUnmount",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeEcShardsUnmount(ctx, req.(*VolumeEcShardsUnmountRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VolumeEcShardRead_Handler(srv interface{}, stream grpc.ServerStream) error {
-	m := new(VolumeEcShardReadRequest)
-	if err := stream.RecvMsg(m); err != nil {
-		return err
-	}
-	return srv.(VolumeServerServer).VolumeEcShardRead(m, &volumeServerVolumeEcShardReadServer{stream})
-}
-
-type VolumeServer_VolumeEcShardReadServer interface {
-	Send(*VolumeEcShardReadResponse) error
-	grpc.ServerStream
-}
-
-type volumeServerVolumeEcShardReadServer struct {
-	grpc.ServerStream
-}
-
-func (x *volumeServerVolumeEcShardReadServer) Send(m *VolumeEcShardReadResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func _VolumeServer_VolumeEcBlobDelete_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeEcBlobDeleteRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeEcBlobDelete(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeEcBlobDelete",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeEcBlobDelete(ctx, req.(*VolumeEcBlobDeleteRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VolumeEcShardsToVolume_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeEcShardsToVolumeRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeEcShardsToVolume(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeEcShardsToVolume",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeEcShardsToVolume(ctx, req.(*VolumeEcShardsToVolumeRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VolumeTierMoveDatToRemote_Handler(srv interface{}, stream grpc.ServerStream) error {
-	m := new(VolumeTierMoveDatToRemoteRequest)
-	if err := stream.RecvMsg(m); err != nil {
-		return err
-	}
-	return srv.(VolumeServerServer).VolumeTierMoveDatToRemote(m, &volumeServerVolumeTierMoveDatToRemoteServer{stream})
-}
-
-type VolumeServer_VolumeTierMoveDatToRemoteServer interface {
-	Send(*VolumeTierMoveDatToRemoteResponse) error
-	grpc.ServerStream
-}
-
-type volumeServerVolumeTierMoveDatToRemoteServer struct {
-	grpc.ServerStream
-}
-
-func (x *volumeServerVolumeTierMoveDatToRemoteServer) Send(m *VolumeTierMoveDatToRemoteResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func _VolumeServer_VolumeTierMoveDatFromRemote_Handler(srv interface{}, stream grpc.ServerStream) error {
-	m := new(VolumeTierMoveDatFromRemoteRequest)
-	if err := stream.RecvMsg(m); err != nil {
-		return err
-	}
-	return srv.(VolumeServerServer).VolumeTierMoveDatFromRemote(m, &volumeServerVolumeTierMoveDatFromRemoteServer{stream})
-}
-
-type VolumeServer_VolumeTierMoveDatFromRemoteServer interface {
-	Send(*VolumeTierMoveDatFromRemoteResponse) error
-	grpc.ServerStream
-}
-
-type volumeServerVolumeTierMoveDatFromRemoteServer struct {
-	grpc.ServerStream
-}
-
-func (x *volumeServerVolumeTierMoveDatFromRemoteServer) Send(m *VolumeTierMoveDatFromRemoteResponse) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func _VolumeServer_VolumeServerStatus_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeServerStatusRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeServerStatus(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeServerStatus",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeServerStatus(ctx, req.(*VolumeServerStatusRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_VolumeServerLeave_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeServerLeaveRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeServerLeave(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeServerLeave",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeServerLeave(ctx, req.(*VolumeServerLeaveRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_FetchAndWriteNeedle_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(FetchAndWriteNeedleRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).FetchAndWriteNeedle(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/FetchAndWriteNeedle",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).FetchAndWriteNeedle(ctx, req.(*FetchAndWriteNeedleRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _VolumeServer_Query_Handler(srv interface{}, stream grpc.ServerStream) error {
-	m := new(QueryRequest)
-	if err := stream.RecvMsg(m); err != nil {
-		return err
-	}
-	return srv.(VolumeServerServer).Query(m, &volumeServerQueryServer{stream})
-}
-
-type VolumeServer_QueryServer interface {
-	Send(*QueriedStripe) error
-	grpc.ServerStream
-}
-
-type volumeServerQueryServer struct {
-	grpc.ServerStream
-}
-
-func (x *volumeServerQueryServer) Send(m *QueriedStripe) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func _VolumeServer_VolumeNeedleStatus_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(VolumeNeedleStatusRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(VolumeServerServer).VolumeNeedleStatus(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/volume_server_pb.VolumeServer/VolumeNeedleStatus",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(VolumeServerServer).VolumeNeedleStatus(ctx, req.(*VolumeNeedleStatusRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-var _VolumeServer_serviceDesc = grpc.ServiceDesc{
-	ServiceName: "volume_server_pb.VolumeServer",
-	HandlerType: (*VolumeServerServer)(nil),
-	Methods: []grpc.MethodDesc{
-		{
-			MethodName: "BatchDelete",
-			Handler:    _VolumeServer_BatchDelete_Handler,
-		},
-		{
-			MethodName: "VacuumVolumeCheck",
-			Handler:    _VolumeServer_VacuumVolumeCheck_Handler,
-		},
-		{
-			MethodName: "VacuumVolumeCommit",
-			Handler:    _VolumeServer_VacuumVolumeCommit_Handler,
-		},
-		{
-			MethodName: "VacuumVolumeCleanup",
-			Handler:    _VolumeServer_VacuumVolumeCleanup_Handler,
-		},
-		{
-			MethodName: "DeleteCollection",
-			Handler:    _VolumeServer_DeleteCollection_Handler,
-		},
-		{
-			MethodName: "AllocateVolume",
-			Handler:    _VolumeServer_AllocateVolume_Handler,
-		},
-		{
-			MethodName: "VolumeSyncStatus",
-			Handler:    _VolumeServer_VolumeSyncStatus_Handler,
-		},
-		{
-			MethodName: "VolumeMount",
-			Handler:    _VolumeServer_VolumeMount_Handler,
-		},
-		{
-			MethodName: "VolumeUnmount",
-			Handler:    _VolumeServer_VolumeUnmount_Handler,
-		},
-		{
-			MethodName: "VolumeDelete",
-			Handler:    _VolumeServer_VolumeDelete_Handler,
-		},
-		{
-			MethodName: "VolumeMarkReadonly",
-			Handler:    _VolumeServer_VolumeMarkReadonly_Handler,
-		},
-		{
-			MethodName: "VolumeMarkWritable",
-			Handler:    _VolumeServer_VolumeMarkWritable_Handler,
-		},
-		{
-			MethodName: "VolumeConfigure",
-			Handler:    _VolumeServer_VolumeConfigure_Handler,
-		},
-		{
-			MethodName: "VolumeStatus",
-			Handler:    _VolumeServer_VolumeStatus_Handler,
-		},
-		{
-			MethodName: "ReadVolumeFileStatus",
-			Handler:    _VolumeServer_ReadVolumeFileStatus_Handler,
-		},
-		{
-			MethodName: "ReadNeedleBlob",
-			Handler:    _VolumeServer_ReadNeedleBlob_Handler,
-		},
-		{
-			MethodName: "WriteNeedleBlob",
-			Handler:    _VolumeServer_WriteNeedleBlob_Handler,
-		},
-		{
-			MethodName: "VolumeTailReceiver",
-			Handler:    _VolumeServer_VolumeTailReceiver_Handler,
-		},
-		{
-			MethodName: "VolumeEcShardsGenerate",
-			Handler:    _VolumeServer_VolumeEcShardsGenerate_Handler,
-		},
-		{
-			MethodName: "VolumeEcShardsRebuild",
-			Handler:    _VolumeServer_VolumeEcShardsRebuild_Handler,
-		},
-		{
-			MethodName: "VolumeEcShardsCopy",
-			Handler:    _VolumeServer_VolumeEcShardsCopy_Handler,
-		},
-		{
-			MethodName: "VolumeEcShardsDelete",
-			Handler:    _VolumeServer_VolumeEcShardsDelete_Handler,
-		},
-		{
-			MethodName: "VolumeEcShardsMount",
-			Handler:    _VolumeServer_VolumeEcShardsMount_Handler,
-		},
-		{
-			MethodName: "VolumeEcShardsUnmount",
-			Handler:    _VolumeServer_VolumeEcShardsUnmount_Handler,
-		},
-		{
-			MethodName: "VolumeEcBlobDelete",
-			Handler:    _VolumeServer_VolumeEcBlobDelete_Handler,
-		},
-		{
-			MethodName: "VolumeEcShardsToVolume",
-			Handler:    _VolumeServer_VolumeEcShardsToVolume_Handler,
-		},
-		{
-			MethodName: "VolumeServerStatus",
-			Handler:    _VolumeServer_VolumeServerStatus_Handler,
-		},
-		{
-			MethodName: "VolumeServerLeave",
-			Handler:    _VolumeServer_VolumeServerLeave_Handler,
-		},
-		{
-			MethodName: "FetchAndWriteNeedle",
-			Handler:    _VolumeServer_FetchAndWriteNeedle_Handler,
-		},
-		{
-			MethodName: "VolumeNeedleStatus",
-			Handler:    _VolumeServer_VolumeNeedleStatus_Handler,
-		},
-	},
-	Streams: []grpc.StreamDesc{
-		{
-			StreamName:    "VacuumVolumeCompact",
-			Handler:       _VolumeServer_VacuumVolumeCompact_Handler,
-			ServerStreams: true,
-		},
-		{
-			StreamName:    "VolumeIncrementalCopy",
-			Handler:       _VolumeServer_VolumeIncrementalCopy_Handler,
-			ServerStreams: true,
-		},
-		{
-			StreamName:    "VolumeCopy",
-			Handler:       _VolumeServer_VolumeCopy_Handler,
-			ServerStreams: true,
-		},
-		{
-			StreamName:    "CopyFile",
-			Handler:       _VolumeServer_CopyFile_Handler,
-			ServerStreams: true,
-		},
-		{
-			StreamName:    "ReadAllNeedles",
-			Handler:       _VolumeServer_ReadAllNeedles_Handler,
-			ServerStreams: true,
-		},
-		{
-			StreamName:    "VolumeTailSender",
-			Handler:       _VolumeServer_VolumeTailSender_Handler,
-			ServerStreams: true,
-		},
-		{
-			StreamName:    "VolumeEcShardRead",
-			Handler:       _VolumeServer_VolumeEcShardRead_Handler,
-			ServerStreams: true,
-		},
-		{
-			StreamName:    "VolumeTierMoveDatToRemote",
-			Handler:       _VolumeServer_VolumeTierMoveDatToRemote_Handler,
-			ServerStreams: true,
-		},
-		{
-			StreamName:    "VolumeTierMoveDatFromRemote",
-			Handler:       _VolumeServer_VolumeTierMoveDatFromRemote_Handler,
-			ServerStreams: true,
-		},
-		{
-			StreamName:    "Query",
-			Handler:       _VolumeServer_Query_Handler,
-			ServerStreams: true,
-		},
-	},
-	Metadata: "volume_server.proto",
-}
diff --git a/weed/pb/volume_server_pb/volume_server_grpc.pb.go b/weed/pb/volume_server_pb/volume_server_grpc.pb.go
new file mode 100644
index 000000000..3334eb61b
--- /dev/null
+++ b/weed/pb/volume_server_pb/volume_server_grpc.pb.go
@@ -0,0 +1,1788 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+
+package volume_server_pb
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// VolumeServerClient is the client API for VolumeServer service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type VolumeServerClient interface {
+	//Experts only: takes multiple fid parameters. This function does not propagate deletes to replicas.
+	BatchDelete(ctx context.Context, in *BatchDeleteRequest, opts ...grpc.CallOption) (*BatchDeleteResponse, error)
+	VacuumVolumeCheck(ctx context.Context, in *VacuumVolumeCheckRequest, opts ...grpc.CallOption) (*VacuumVolumeCheckResponse, error)
+	VacuumVolumeCompact(ctx context.Context, in *VacuumVolumeCompactRequest, opts ...grpc.CallOption) (VolumeServer_VacuumVolumeCompactClient, error)
+	VacuumVolumeCommit(ctx context.Context, in *VacuumVolumeCommitRequest, opts ...grpc.CallOption) (*VacuumVolumeCommitResponse, error)
+	VacuumVolumeCleanup(ctx context.Context, in *VacuumVolumeCleanupRequest, opts ...grpc.CallOption) (*VacuumVolumeCleanupResponse, error)
+	DeleteCollection(ctx context.Context, in *DeleteCollectionRequest, opts ...grpc.CallOption) (*DeleteCollectionResponse, error)
+	AllocateVolume(ctx context.Context, in *AllocateVolumeRequest, opts ...grpc.CallOption) (*AllocateVolumeResponse, error)
+	VolumeSyncStatus(ctx context.Context, in *VolumeSyncStatusRequest, opts ...grpc.CallOption) (*VolumeSyncStatusResponse, error)
+	VolumeIncrementalCopy(ctx context.Context, in *VolumeIncrementalCopyRequest, opts ...grpc.CallOption) (VolumeServer_VolumeIncrementalCopyClient, error)
+	VolumeMount(ctx context.Context, in *VolumeMountRequest, opts ...grpc.CallOption) (*VolumeMountResponse, error)
+	VolumeUnmount(ctx context.Context, in *VolumeUnmountRequest, opts ...grpc.CallOption) (*VolumeUnmountResponse, error)
+	VolumeDelete(ctx context.Context, in *VolumeDeleteRequest, opts ...grpc.CallOption) (*VolumeDeleteResponse, error)
+	VolumeMarkReadonly(ctx context.Context, in *VolumeMarkReadonlyRequest, opts ...grpc.CallOption) (*VolumeMarkReadonlyResponse, error)
+	VolumeMarkWritable(ctx context.Context, in *VolumeMarkWritableRequest, opts ...grpc.CallOption) (*VolumeMarkWritableResponse, error)
+	VolumeConfigure(ctx context.Context, in *VolumeConfigureRequest, opts ...grpc.CallOption) (*VolumeConfigureResponse, error)
+	VolumeStatus(ctx context.Context, in *VolumeStatusRequest, opts ...grpc.CallOption) (*VolumeStatusResponse, error)
+	// copy the .idx .dat files, and mount this volume
+	VolumeCopy(ctx context.Context, in *VolumeCopyRequest, opts ...grpc.CallOption) (VolumeServer_VolumeCopyClient, error)
+	ReadVolumeFileStatus(ctx context.Context, in *ReadVolumeFileStatusRequest, opts ...grpc.CallOption) (*ReadVolumeFileStatusResponse, error)
+	CopyFile(ctx context.Context, in *CopyFileRequest, opts ...grpc.CallOption) (VolumeServer_CopyFileClient, error)
+	ReadNeedleBlob(ctx context.Context, in *ReadNeedleBlobRequest, opts ...grpc.CallOption) (*ReadNeedleBlobResponse, error)
+	WriteNeedleBlob(ctx context.Context, in *WriteNeedleBlobRequest, opts ...grpc.CallOption) (*WriteNeedleBlobResponse, error)
+	ReadAllNeedles(ctx context.Context, in *ReadAllNeedlesRequest, opts ...grpc.CallOption) (VolumeServer_ReadAllNeedlesClient, error)
+	VolumeTailSender(ctx context.Context, in *VolumeTailSenderRequest, opts ...grpc.CallOption) (VolumeServer_VolumeTailSenderClient, error)
+	VolumeTailReceiver(ctx context.Context, in *VolumeTailReceiverRequest, opts ...grpc.CallOption) (*VolumeTailReceiverResponse, error)
+	// erasure coding
+	VolumeEcShardsGenerate(ctx context.Context, in *VolumeEcShardsGenerateRequest, opts ...grpc.CallOption) (*VolumeEcShardsGenerateResponse, error)
+	VolumeEcShardsRebuild(ctx context.Context, in *VolumeEcShardsRebuildRequest, opts ...grpc.CallOption) (*VolumeEcShardsRebuildResponse, error)
+	VolumeEcShardsCopy(ctx context.Context, in *VolumeEcShardsCopyRequest, opts ...grpc.CallOption) (*VolumeEcShardsCopyResponse, error)
+	VolumeEcShardsDelete(ctx context.Context, in *VolumeEcShardsDeleteRequest, opts ...grpc.CallOption) (*VolumeEcShardsDeleteResponse, error)
+	VolumeEcShardsMount(ctx context.Context, in *VolumeEcShardsMountRequest, opts ...grpc.CallOption) (*VolumeEcShardsMountResponse, error)
+	VolumeEcShardsUnmount(ctx context.Context, in *VolumeEcShardsUnmountRequest, opts ...grpc.CallOption) (*VolumeEcShardsUnmountResponse, error)
+	VolumeEcShardRead(ctx context.Context, in *VolumeEcShardReadRequest, opts ...grpc.CallOption) (VolumeServer_VolumeEcShardReadClient, error)
+	VolumeEcBlobDelete(ctx context.Context, in *VolumeEcBlobDeleteRequest, opts ...grpc.CallOption) (*VolumeEcBlobDeleteResponse, error)
+	VolumeEcShardsToVolume(ctx context.Context, in *VolumeEcShardsToVolumeRequest, opts ...grpc.CallOption) (*VolumeEcShardsToVolumeResponse, error)
+	// tiered storage
+	VolumeTierMoveDatToRemote(ctx context.Context, in *VolumeTierMoveDatToRemoteRequest, opts ...grpc.CallOption) (VolumeServer_VolumeTierMoveDatToRemoteClient, error)
+	VolumeTierMoveDatFromRemote(ctx context.Context, in *VolumeTierMoveDatFromRemoteRequest, opts ...grpc.CallOption) (VolumeServer_VolumeTierMoveDatFromRemoteClient, error)
+	VolumeServerStatus(ctx context.Context, in *VolumeServerStatusRequest, opts ...grpc.CallOption) (*VolumeServerStatusResponse, error)
+	VolumeServerLeave(ctx context.Context, in *VolumeServerLeaveRequest, opts ...grpc.CallOption) (*VolumeServerLeaveResponse, error)
+	// remote storage
+	FetchAndWriteNeedle(ctx context.Context, in *FetchAndWriteNeedleRequest, opts ...grpc.CallOption) (*FetchAndWriteNeedleResponse, error)
+	// <experimental> query
+	Query(ctx context.Context, in *QueryRequest, opts ...grpc.CallOption) (VolumeServer_QueryClient, error)
+	VolumeNeedleStatus(ctx context.Context, in *VolumeNeedleStatusRequest, opts ...grpc.CallOption) (*VolumeNeedleStatusResponse, error)
+}
+
+type volumeServerClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewVolumeServerClient(cc grpc.ClientConnInterface) VolumeServerClient {
+	return &volumeServerClient{cc}
+}
+
+func (c *volumeServerClient) BatchDelete(ctx context.Context, in *BatchDeleteRequest, opts ...grpc.CallOption) (*BatchDeleteResponse, error) {
+	out := new(BatchDeleteResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/BatchDelete", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VacuumVolumeCheck(ctx context.Context, in *VacuumVolumeCheckRequest, opts ...grpc.CallOption) (*VacuumVolumeCheckResponse, error) {
+	out := new(VacuumVolumeCheckResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VacuumVolumeCheck", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VacuumVolumeCompact(ctx context.Context, in *VacuumVolumeCompactRequest, opts ...grpc.CallOption) (VolumeServer_VacuumVolumeCompactClient, error) {
+	stream, err := c.cc.NewStream(ctx, &VolumeServer_ServiceDesc.Streams[0], "/volume_server_pb.VolumeServer/VacuumVolumeCompact", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &volumeServerVacuumVolumeCompactClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type VolumeServer_VacuumVolumeCompactClient interface {
+	Recv() (*VacuumVolumeCompactResponse, error)
+	grpc.ClientStream
+}
+
+type volumeServerVacuumVolumeCompactClient struct {
+	grpc.ClientStream
+}
+
+func (x *volumeServerVacuumVolumeCompactClient) Recv() (*VacuumVolumeCompactResponse, error) {
+	m := new(VacuumVolumeCompactResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *volumeServerClient) VacuumVolumeCommit(ctx context.Context, in *VacuumVolumeCommitRequest, opts ...grpc.CallOption) (*VacuumVolumeCommitResponse, error) {
+	out := new(VacuumVolumeCommitResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VacuumVolumeCommit", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VacuumVolumeCleanup(ctx context.Context, in *VacuumVolumeCleanupRequest, opts ...grpc.CallOption) (*VacuumVolumeCleanupResponse, error) {
+	out := new(VacuumVolumeCleanupResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VacuumVolumeCleanup", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) DeleteCollection(ctx context.Context, in *DeleteCollectionRequest, opts ...grpc.CallOption) (*DeleteCollectionResponse, error) {
+	out := new(DeleteCollectionResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/DeleteCollection", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) AllocateVolume(ctx context.Context, in *AllocateVolumeRequest, opts ...grpc.CallOption) (*AllocateVolumeResponse, error) {
+	out := new(AllocateVolumeResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/AllocateVolume", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VolumeSyncStatus(ctx context.Context, in *VolumeSyncStatusRequest, opts ...grpc.CallOption) (*VolumeSyncStatusResponse, error) {
+	out := new(VolumeSyncStatusResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeSyncStatus", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VolumeIncrementalCopy(ctx context.Context, in *VolumeIncrementalCopyRequest, opts ...grpc.CallOption) (VolumeServer_VolumeIncrementalCopyClient, error) {
+	stream, err := c.cc.NewStream(ctx, &VolumeServer_ServiceDesc.Streams[1], "/volume_server_pb.VolumeServer/VolumeIncrementalCopy", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &volumeServerVolumeIncrementalCopyClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type VolumeServer_VolumeIncrementalCopyClient interface {
+	Recv() (*VolumeIncrementalCopyResponse, error)
+	grpc.ClientStream
+}
+
+type volumeServerVolumeIncrementalCopyClient struct {
+	grpc.ClientStream
+}
+
+func (x *volumeServerVolumeIncrementalCopyClient) Recv() (*VolumeIncrementalCopyResponse, error) {
+	m := new(VolumeIncrementalCopyResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *volumeServerClient) VolumeMount(ctx context.Context, in *VolumeMountRequest, opts ...grpc.CallOption) (*VolumeMountResponse, error) {
+	out := new(VolumeMountResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeMount", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VolumeUnmount(ctx context.Context, in *VolumeUnmountRequest, opts ...grpc.CallOption) (*VolumeUnmountResponse, error) {
+	out := new(VolumeUnmountResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeUnmount", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VolumeDelete(ctx context.Context, in *VolumeDeleteRequest, opts ...grpc.CallOption) (*VolumeDeleteResponse, error) {
+	out := new(VolumeDeleteResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeDelete", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VolumeMarkReadonly(ctx context.Context, in *VolumeMarkReadonlyRequest, opts ...grpc.CallOption) (*VolumeMarkReadonlyResponse, error) {
+	out := new(VolumeMarkReadonlyResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeMarkReadonly", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VolumeMarkWritable(ctx context.Context, in *VolumeMarkWritableRequest, opts ...grpc.CallOption) (*VolumeMarkWritableResponse, error) {
+	out := new(VolumeMarkWritableResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeMarkWritable", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VolumeConfigure(ctx context.Context, in *VolumeConfigureRequest, opts ...grpc.CallOption) (*VolumeConfigureResponse, error) {
+	out := new(VolumeConfigureResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeConfigure", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VolumeStatus(ctx context.Context, in *VolumeStatusRequest, opts ...grpc.CallOption) (*VolumeStatusResponse, error) {
+	out := new(VolumeStatusResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeStatus", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VolumeCopy(ctx context.Context, in *VolumeCopyRequest, opts ...grpc.CallOption) (VolumeServer_VolumeCopyClient, error) {
+	stream, err := c.cc.NewStream(ctx, &VolumeServer_ServiceDesc.Streams[2], "/volume_server_pb.VolumeServer/VolumeCopy", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &volumeServerVolumeCopyClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type VolumeServer_VolumeCopyClient interface {
+	Recv() (*VolumeCopyResponse, error)
+	grpc.ClientStream
+}
+
+type volumeServerVolumeCopyClient struct {
+	grpc.ClientStream
+}
+
+func (x *volumeServerVolumeCopyClient) Recv() (*VolumeCopyResponse, error) {
+	m := new(VolumeCopyResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *volumeServerClient) ReadVolumeFileStatus(ctx context.Context, in *ReadVolumeFileStatusRequest, opts ...grpc.CallOption) (*ReadVolumeFileStatusResponse, error) {
+	out := new(ReadVolumeFileStatusResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/ReadVolumeFileStatus", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) CopyFile(ctx context.Context, in *CopyFileRequest, opts ...grpc.CallOption) (VolumeServer_CopyFileClient, error) {
+	stream, err := c.cc.NewStream(ctx, &VolumeServer_ServiceDesc.Streams[3], "/volume_server_pb.VolumeServer/CopyFile", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &volumeServerCopyFileClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type VolumeServer_CopyFileClient interface {
+	Recv() (*CopyFileResponse, error)
+	grpc.ClientStream
+}
+
+type volumeServerCopyFileClient struct {
+	grpc.ClientStream
+}
+
+func (x *volumeServerCopyFileClient) Recv() (*CopyFileResponse, error) {
+	m := new(CopyFileResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *volumeServerClient) ReadNeedleBlob(ctx context.Context, in *ReadNeedleBlobRequest, opts ...grpc.CallOption) (*ReadNeedleBlobResponse, error) {
+	out := new(ReadNeedleBlobResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/ReadNeedleBlob", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) WriteNeedleBlob(ctx context.Context, in *WriteNeedleBlobRequest, opts ...grpc.CallOption) (*WriteNeedleBlobResponse, error) {
+	out := new(WriteNeedleBlobResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/WriteNeedleBlob", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) ReadAllNeedles(ctx context.Context, in *ReadAllNeedlesRequest, opts ...grpc.CallOption) (VolumeServer_ReadAllNeedlesClient, error) {
+	stream, err := c.cc.NewStream(ctx, &VolumeServer_ServiceDesc.Streams[4], "/volume_server_pb.VolumeServer/ReadAllNeedles", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &volumeServerReadAllNeedlesClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type VolumeServer_ReadAllNeedlesClient interface {
+	Recv() (*ReadAllNeedlesResponse, error)
+	grpc.ClientStream
+}
+
+type volumeServerReadAllNeedlesClient struct {
+	grpc.ClientStream
+}
+
+func (x *volumeServerReadAllNeedlesClient) Recv() (*ReadAllNeedlesResponse, error) {
+	m := new(ReadAllNeedlesResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *volumeServerClient) VolumeTailSender(ctx context.Context, in *VolumeTailSenderRequest, opts ...grpc.CallOption) (VolumeServer_VolumeTailSenderClient, error) {
+	stream, err := c.cc.NewStream(ctx, &VolumeServer_ServiceDesc.Streams[5], "/volume_server_pb.VolumeServer/VolumeTailSender", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &volumeServerVolumeTailSenderClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type VolumeServer_VolumeTailSenderClient interface {
+	Recv() (*VolumeTailSenderResponse, error)
+	grpc.ClientStream
+}
+
+type volumeServerVolumeTailSenderClient struct {
+	grpc.ClientStream
+}
+
+func (x *volumeServerVolumeTailSenderClient) Recv() (*VolumeTailSenderResponse, error) {
+	m := new(VolumeTailSenderResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *volumeServerClient) VolumeTailReceiver(ctx context.Context, in *VolumeTailReceiverRequest, opts ...grpc.CallOption) (*VolumeTailReceiverResponse, error) {
+	out := new(VolumeTailReceiverResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeTailReceiver", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VolumeEcShardsGenerate(ctx context.Context, in *VolumeEcShardsGenerateRequest, opts ...grpc.CallOption) (*VolumeEcShardsGenerateResponse, error) {
+	out := new(VolumeEcShardsGenerateResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeEcShardsGenerate", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VolumeEcShardsRebuild(ctx context.Context, in *VolumeEcShardsRebuildRequest, opts ...grpc.CallOption) (*VolumeEcShardsRebuildResponse, error) {
+	out := new(VolumeEcShardsRebuildResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeEcShardsRebuild", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VolumeEcShardsCopy(ctx context.Context, in *VolumeEcShardsCopyRequest, opts ...grpc.CallOption) (*VolumeEcShardsCopyResponse, error) {
+	out := new(VolumeEcShardsCopyResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeEcShardsCopy", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VolumeEcShardsDelete(ctx context.Context, in *VolumeEcShardsDeleteRequest, opts ...grpc.CallOption) (*VolumeEcShardsDeleteResponse, error) {
+	out := new(VolumeEcShardsDeleteResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeEcShardsDelete", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VolumeEcShardsMount(ctx context.Context, in *VolumeEcShardsMountRequest, opts ...grpc.CallOption) (*VolumeEcShardsMountResponse, error) {
+	out := new(VolumeEcShardsMountResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeEcShardsMount", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VolumeEcShardsUnmount(ctx context.Context, in *VolumeEcShardsUnmountRequest, opts ...grpc.CallOption) (*VolumeEcShardsUnmountResponse, error) {
+	out := new(VolumeEcShardsUnmountResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeEcShardsUnmount", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VolumeEcShardRead(ctx context.Context, in *VolumeEcShardReadRequest, opts ...grpc.CallOption) (VolumeServer_VolumeEcShardReadClient, error) {
+	stream, err := c.cc.NewStream(ctx, &VolumeServer_ServiceDesc.Streams[6], "/volume_server_pb.VolumeServer/VolumeEcShardRead", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &volumeServerVolumeEcShardReadClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type VolumeServer_VolumeEcShardReadClient interface {
+	Recv() (*VolumeEcShardReadResponse, error)
+	grpc.ClientStream
+}
+
+type volumeServerVolumeEcShardReadClient struct {
+	grpc.ClientStream
+}
+
+func (x *volumeServerVolumeEcShardReadClient) Recv() (*VolumeEcShardReadResponse, error) {
+	m := new(VolumeEcShardReadResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *volumeServerClient) VolumeEcBlobDelete(ctx context.Context, in *VolumeEcBlobDeleteRequest, opts ...grpc.CallOption) (*VolumeEcBlobDeleteResponse, error) {
+	out := new(VolumeEcBlobDeleteResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeEcBlobDelete", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VolumeEcShardsToVolume(ctx context.Context, in *VolumeEcShardsToVolumeRequest, opts ...grpc.CallOption) (*VolumeEcShardsToVolumeResponse, error) {
+	out := new(VolumeEcShardsToVolumeResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeEcShardsToVolume", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VolumeTierMoveDatToRemote(ctx context.Context, in *VolumeTierMoveDatToRemoteRequest, opts ...grpc.CallOption) (VolumeServer_VolumeTierMoveDatToRemoteClient, error) {
+	stream, err := c.cc.NewStream(ctx, &VolumeServer_ServiceDesc.Streams[7], "/volume_server_pb.VolumeServer/VolumeTierMoveDatToRemote", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &volumeServerVolumeTierMoveDatToRemoteClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type VolumeServer_VolumeTierMoveDatToRemoteClient interface {
+	Recv() (*VolumeTierMoveDatToRemoteResponse, error)
+	grpc.ClientStream
+}
+
+type volumeServerVolumeTierMoveDatToRemoteClient struct {
+	grpc.ClientStream
+}
+
+func (x *volumeServerVolumeTierMoveDatToRemoteClient) Recv() (*VolumeTierMoveDatToRemoteResponse, error) {
+	m := new(VolumeTierMoveDatToRemoteResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *volumeServerClient) VolumeTierMoveDatFromRemote(ctx context.Context, in *VolumeTierMoveDatFromRemoteRequest, opts ...grpc.CallOption) (VolumeServer_VolumeTierMoveDatFromRemoteClient, error) {
+	stream, err := c.cc.NewStream(ctx, &VolumeServer_ServiceDesc.Streams[8], "/volume_server_pb.VolumeServer/VolumeTierMoveDatFromRemote", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &volumeServerVolumeTierMoveDatFromRemoteClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type VolumeServer_VolumeTierMoveDatFromRemoteClient interface {
+	Recv() (*VolumeTierMoveDatFromRemoteResponse, error)
+	grpc.ClientStream
+}
+
+type volumeServerVolumeTierMoveDatFromRemoteClient struct {
+	grpc.ClientStream
+}
+
+func (x *volumeServerVolumeTierMoveDatFromRemoteClient) Recv() (*VolumeTierMoveDatFromRemoteResponse, error) {
+	m := new(VolumeTierMoveDatFromRemoteResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *volumeServerClient) VolumeServerStatus(ctx context.Context, in *VolumeServerStatusRequest, opts ...grpc.CallOption) (*VolumeServerStatusResponse, error) {
+	out := new(VolumeServerStatusResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeServerStatus", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) VolumeServerLeave(ctx context.Context, in *VolumeServerLeaveRequest, opts ...grpc.CallOption) (*VolumeServerLeaveResponse, error) {
+	out := new(VolumeServerLeaveResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeServerLeave", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) FetchAndWriteNeedle(ctx context.Context, in *FetchAndWriteNeedleRequest, opts ...grpc.CallOption) (*FetchAndWriteNeedleResponse, error) {
+	out := new(FetchAndWriteNeedleResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/FetchAndWriteNeedle", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *volumeServerClient) Query(ctx context.Context, in *QueryRequest, opts ...grpc.CallOption) (VolumeServer_QueryClient, error) {
+	stream, err := c.cc.NewStream(ctx, &VolumeServer_ServiceDesc.Streams[9], "/volume_server_pb.VolumeServer/Query", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &volumeServerQueryClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type VolumeServer_QueryClient interface {
+	Recv() (*QueriedStripe, error)
+	grpc.ClientStream
+}
+
+type volumeServerQueryClient struct {
+	grpc.ClientStream
+}
+
+func (x *volumeServerQueryClient) Recv() (*QueriedStripe, error) {
+	m := new(QueriedStripe)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+func (c *volumeServerClient) VolumeNeedleStatus(ctx context.Context, in *VolumeNeedleStatusRequest, opts ...grpc.CallOption) (*VolumeNeedleStatusResponse, error) {
+	out := new(VolumeNeedleStatusResponse)
+	err := c.cc.Invoke(ctx, "/volume_server_pb.VolumeServer/VolumeNeedleStatus", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// VolumeServerServer is the server API for VolumeServer service.
+// All implementations must embed UnimplementedVolumeServerServer
+// for forward compatibility
+type VolumeServerServer interface {
+	//Experts only: takes multiple fid parameters. This function does not propagate deletes to replicas.
+	BatchDelete(context.Context, *BatchDeleteRequest) (*BatchDeleteResponse, error)
+	VacuumVolumeCheck(context.Context, *VacuumVolumeCheckRequest) (*VacuumVolumeCheckResponse, error)
+	VacuumVolumeCompact(*VacuumVolumeCompactRequest, VolumeServer_VacuumVolumeCompactServer) error
+	VacuumVolumeCommit(context.Context, *VacuumVolumeCommitRequest) (*VacuumVolumeCommitResponse, error)
+	VacuumVolumeCleanup(context.Context, *VacuumVolumeCleanupRequest) (*VacuumVolumeCleanupResponse, error)
+	DeleteCollection(context.Context, *DeleteCollectionRequest) (*DeleteCollectionResponse, error)
+	AllocateVolume(context.Context, *AllocateVolumeRequest) (*AllocateVolumeResponse, error)
+	VolumeSyncStatus(context.Context, *VolumeSyncStatusRequest) (*VolumeSyncStatusResponse, error)
+	VolumeIncrementalCopy(*VolumeIncrementalCopyRequest, VolumeServer_VolumeIncrementalCopyServer) error
+	VolumeMount(context.Context, *VolumeMountRequest) (*VolumeMountResponse, error)
+	VolumeUnmount(context.Context, *VolumeUnmountRequest) (*VolumeUnmountResponse, error)
+	VolumeDelete(context.Context, *VolumeDeleteRequest) (*VolumeDeleteResponse, error)
+	VolumeMarkReadonly(context.Context, *VolumeMarkReadonlyRequest) (*VolumeMarkReadonlyResponse, error)
+	VolumeMarkWritable(context.Context, *VolumeMarkWritableRequest) (*VolumeMarkWritableResponse, error)
+	VolumeConfigure(context.Context, *VolumeConfigureRequest) (*VolumeConfigureResponse, error)
+	VolumeStatus(context.Context, *VolumeStatusRequest) (*VolumeStatusResponse, error)
+	// copy the .idx .dat files, and mount this volume
+	VolumeCopy(*VolumeCopyRequest, VolumeServer_VolumeCopyServer) error
+	ReadVolumeFileStatus(context.Context, *ReadVolumeFileStatusRequest) (*ReadVolumeFileStatusResponse, error)
+	CopyFile(*CopyFileRequest, VolumeServer_CopyFileServer) error
+	ReadNeedleBlob(context.Context, *ReadNeedleBlobRequest) (*ReadNeedleBlobResponse, error)
+	WriteNeedleBlob(context.Context, *WriteNeedleBlobRequest) (*WriteNeedleBlobResponse, error)
+	ReadAllNeedles(*ReadAllNeedlesRequest, VolumeServer_ReadAllNeedlesServer) error
+	VolumeTailSender(*VolumeTailSenderRequest, VolumeServer_VolumeTailSenderServer) error
+	VolumeTailReceiver(context.Context, *VolumeTailReceiverRequest) (*VolumeTailReceiverResponse, error)
+	// erasure coding
+	VolumeEcShardsGenerate(context.Context, *VolumeEcShardsGenerateRequest) (*VolumeEcShardsGenerateResponse, error)
+	VolumeEcShardsRebuild(context.Context, *VolumeEcShardsRebuildRequest) (*VolumeEcShardsRebuildResponse, error)
+	VolumeEcShardsCopy(context.Context, *VolumeEcShardsCopyRequest) (*VolumeEcShardsCopyResponse, error)
+	VolumeEcShardsDelete(context.Context, *VolumeEcShardsDeleteRequest) (*VolumeEcShardsDeleteResponse, error)
+	VolumeEcShardsMount(context.Context, *VolumeEcShardsMountRequest) (*VolumeEcShardsMountResponse, error)
+	VolumeEcShardsUnmount(context.Context, *VolumeEcShardsUnmountRequest) (*VolumeEcShardsUnmountResponse, error)
+	VolumeEcShardRead(*VolumeEcShardReadRequest, VolumeServer_VolumeEcShardReadServer) error
+	VolumeEcBlobDelete(context.Context, *VolumeEcBlobDeleteRequest) (*VolumeEcBlobDeleteResponse, error)
+	VolumeEcShardsToVolume(context.Context, *VolumeEcShardsToVolumeRequest) (*VolumeEcShardsToVolumeResponse, error)
+	// tiered storage
+	VolumeTierMoveDatToRemote(*VolumeTierMoveDatToRemoteRequest, VolumeServer_VolumeTierMoveDatToRemoteServer) error
+	VolumeTierMoveDatFromRemote(*VolumeTierMoveDatFromRemoteRequest, VolumeServer_VolumeTierMoveDatFromRemoteServer) error
+	VolumeServerStatus(context.Context, *VolumeServerStatusRequest) (*VolumeServerStatusResponse, error)
+	VolumeServerLeave(context.Context, *VolumeServerLeaveRequest) (*VolumeServerLeaveResponse, error)
+	// remote storage
+	FetchAndWriteNeedle(context.Context, *FetchAndWriteNeedleRequest) (*FetchAndWriteNeedleResponse, error)
+	// <experimental> query
+	Query(*QueryRequest, VolumeServer_QueryServer) error
+	VolumeNeedleStatus(context.Context, *VolumeNeedleStatusRequest) (*VolumeNeedleStatusResponse, error)
+	mustEmbedUnimplementedVolumeServerServer()
+}
+
+// UnimplementedVolumeServerServer must be embedded to have forward compatible implementations.
+type UnimplementedVolumeServerServer struct {
+}
+
+func (UnimplementedVolumeServerServer) BatchDelete(context.Context, *BatchDeleteRequest) (*BatchDeleteResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method BatchDelete not implemented")
+}
+func (UnimplementedVolumeServerServer) VacuumVolumeCheck(context.Context, *VacuumVolumeCheckRequest) (*VacuumVolumeCheckResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VacuumVolumeCheck not implemented")
+}
+func (UnimplementedVolumeServerServer) VacuumVolumeCompact(*VacuumVolumeCompactRequest, VolumeServer_VacuumVolumeCompactServer) error {
+	return status.Errorf(codes.Unimplemented, "method VacuumVolumeCompact not implemented")
+}
+func (UnimplementedVolumeServerServer) VacuumVolumeCommit(context.Context, *VacuumVolumeCommitRequest) (*VacuumVolumeCommitResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VacuumVolumeCommit not implemented")
+}
+func (UnimplementedVolumeServerServer) VacuumVolumeCleanup(context.Context, *VacuumVolumeCleanupRequest) (*VacuumVolumeCleanupResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VacuumVolumeCleanup not implemented")
+}
+func (UnimplementedVolumeServerServer) DeleteCollection(context.Context, *DeleteCollectionRequest) (*DeleteCollectionResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method DeleteCollection not implemented")
+}
+func (UnimplementedVolumeServerServer) AllocateVolume(context.Context, *AllocateVolumeRequest) (*AllocateVolumeResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method AllocateVolume not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeSyncStatus(context.Context, *VolumeSyncStatusRequest) (*VolumeSyncStatusResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeSyncStatus not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeIncrementalCopy(*VolumeIncrementalCopyRequest, VolumeServer_VolumeIncrementalCopyServer) error {
+	return status.Errorf(codes.Unimplemented, "method VolumeIncrementalCopy not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeMount(context.Context, *VolumeMountRequest) (*VolumeMountResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeMount not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeUnmount(context.Context, *VolumeUnmountRequest) (*VolumeUnmountResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeUnmount not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeDelete(context.Context, *VolumeDeleteRequest) (*VolumeDeleteResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeDelete not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeMarkReadonly(context.Context, *VolumeMarkReadonlyRequest) (*VolumeMarkReadonlyResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeMarkReadonly not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeMarkWritable(context.Context, *VolumeMarkWritableRequest) (*VolumeMarkWritableResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeMarkWritable not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeConfigure(context.Context, *VolumeConfigureRequest) (*VolumeConfigureResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeConfigure not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeStatus(context.Context, *VolumeStatusRequest) (*VolumeStatusResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeStatus not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeCopy(*VolumeCopyRequest, VolumeServer_VolumeCopyServer) error {
+	return status.Errorf(codes.Unimplemented, "method VolumeCopy not implemented")
+}
+func (UnimplementedVolumeServerServer) ReadVolumeFileStatus(context.Context, *ReadVolumeFileStatusRequest) (*ReadVolumeFileStatusResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ReadVolumeFileStatus not implemented")
+}
+func (UnimplementedVolumeServerServer) CopyFile(*CopyFileRequest, VolumeServer_CopyFileServer) error {
+	return status.Errorf(codes.Unimplemented, "method CopyFile not implemented")
+}
+func (UnimplementedVolumeServerServer) ReadNeedleBlob(context.Context, *ReadNeedleBlobRequest) (*ReadNeedleBlobResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ReadNeedleBlob not implemented")
+}
+func (UnimplementedVolumeServerServer) WriteNeedleBlob(context.Context, *WriteNeedleBlobRequest) (*WriteNeedleBlobResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method WriteNeedleBlob not implemented")
+}
+func (UnimplementedVolumeServerServer) ReadAllNeedles(*ReadAllNeedlesRequest, VolumeServer_ReadAllNeedlesServer) error {
+	return status.Errorf(codes.Unimplemented, "method ReadAllNeedles not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeTailSender(*VolumeTailSenderRequest, VolumeServer_VolumeTailSenderServer) error {
+	return status.Errorf(codes.Unimplemented, "method VolumeTailSender not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeTailReceiver(context.Context, *VolumeTailReceiverRequest) (*VolumeTailReceiverResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeTailReceiver not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeEcShardsGenerate(context.Context, *VolumeEcShardsGenerateRequest) (*VolumeEcShardsGenerateResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeEcShardsGenerate not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeEcShardsRebuild(context.Context, *VolumeEcShardsRebuildRequest) (*VolumeEcShardsRebuildResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeEcShardsRebuild not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeEcShardsCopy(context.Context, *VolumeEcShardsCopyRequest) (*VolumeEcShardsCopyResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeEcShardsCopy not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeEcShardsDelete(context.Context, *VolumeEcShardsDeleteRequest) (*VolumeEcShardsDeleteResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeEcShardsDelete not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeEcShardsMount(context.Context, *VolumeEcShardsMountRequest) (*VolumeEcShardsMountResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeEcShardsMount not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeEcShardsUnmount(context.Context, *VolumeEcShardsUnmountRequest) (*VolumeEcShardsUnmountResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeEcShardsUnmount not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeEcShardRead(*VolumeEcShardReadRequest, VolumeServer_VolumeEcShardReadServer) error {
+	return status.Errorf(codes.Unimplemented, "method VolumeEcShardRead not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeEcBlobDelete(context.Context, *VolumeEcBlobDeleteRequest) (*VolumeEcBlobDeleteResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeEcBlobDelete not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeEcShardsToVolume(context.Context, *VolumeEcShardsToVolumeRequest) (*VolumeEcShardsToVolumeResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeEcShardsToVolume not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeTierMoveDatToRemote(*VolumeTierMoveDatToRemoteRequest, VolumeServer_VolumeTierMoveDatToRemoteServer) error {
+	return status.Errorf(codes.Unimplemented, "method VolumeTierMoveDatToRemote not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeTierMoveDatFromRemote(*VolumeTierMoveDatFromRemoteRequest, VolumeServer_VolumeTierMoveDatFromRemoteServer) error {
+	return status.Errorf(codes.Unimplemented, "method VolumeTierMoveDatFromRemote not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeServerStatus(context.Context, *VolumeServerStatusRequest) (*VolumeServerStatusResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeServerStatus not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeServerLeave(context.Context, *VolumeServerLeaveRequest) (*VolumeServerLeaveResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeServerLeave not implemented")
+}
+func (UnimplementedVolumeServerServer) FetchAndWriteNeedle(context.Context, *FetchAndWriteNeedleRequest) (*FetchAndWriteNeedleResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method FetchAndWriteNeedle not implemented")
+}
+func (UnimplementedVolumeServerServer) Query(*QueryRequest, VolumeServer_QueryServer) error {
+	return status.Errorf(codes.Unimplemented, "method Query not implemented")
+}
+func (UnimplementedVolumeServerServer) VolumeNeedleStatus(context.Context, *VolumeNeedleStatusRequest) (*VolumeNeedleStatusResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method VolumeNeedleStatus not implemented")
+}
+func (UnimplementedVolumeServerServer) mustEmbedUnimplementedVolumeServerServer() {}
+
+// UnsafeVolumeServerServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to VolumeServerServer will
+// result in compilation errors.
+type UnsafeVolumeServerServer interface {
+	mustEmbedUnimplementedVolumeServerServer()
+}
+
+func RegisterVolumeServerServer(s grpc.ServiceRegistrar, srv VolumeServerServer) {
+	s.RegisterService(&VolumeServer_ServiceDesc, srv)
+}
+
+func _VolumeServer_BatchDelete_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(BatchDeleteRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).BatchDelete(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/BatchDelete",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).BatchDelete(ctx, req.(*BatchDeleteRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VacuumVolumeCheck_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VacuumVolumeCheckRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VacuumVolumeCheck(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VacuumVolumeCheck",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VacuumVolumeCheck(ctx, req.(*VacuumVolumeCheckRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VacuumVolumeCompact_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(VacuumVolumeCompactRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(VolumeServerServer).VacuumVolumeCompact(m, &volumeServerVacuumVolumeCompactServer{stream})
+}
+
+type VolumeServer_VacuumVolumeCompactServer interface {
+	Send(*VacuumVolumeCompactResponse) error
+	grpc.ServerStream
+}
+
+type volumeServerVacuumVolumeCompactServer struct {
+	grpc.ServerStream
+}
+
+func (x *volumeServerVacuumVolumeCompactServer) Send(m *VacuumVolumeCompactResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _VolumeServer_VacuumVolumeCommit_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VacuumVolumeCommitRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VacuumVolumeCommit(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VacuumVolumeCommit",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VacuumVolumeCommit(ctx, req.(*VacuumVolumeCommitRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VacuumVolumeCleanup_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VacuumVolumeCleanupRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VacuumVolumeCleanup(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VacuumVolumeCleanup",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VacuumVolumeCleanup(ctx, req.(*VacuumVolumeCleanupRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_DeleteCollection_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DeleteCollectionRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).DeleteCollection(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/DeleteCollection",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).DeleteCollection(ctx, req.(*DeleteCollectionRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_AllocateVolume_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(AllocateVolumeRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).AllocateVolume(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/AllocateVolume",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).AllocateVolume(ctx, req.(*AllocateVolumeRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VolumeSyncStatus_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeSyncStatusRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeSyncStatus(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeSyncStatus",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeSyncStatus(ctx, req.(*VolumeSyncStatusRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VolumeIncrementalCopy_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(VolumeIncrementalCopyRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(VolumeServerServer).VolumeIncrementalCopy(m, &volumeServerVolumeIncrementalCopyServer{stream})
+}
+
+type VolumeServer_VolumeIncrementalCopyServer interface {
+	Send(*VolumeIncrementalCopyResponse) error
+	grpc.ServerStream
+}
+
+type volumeServerVolumeIncrementalCopyServer struct {
+	grpc.ServerStream
+}
+
+func (x *volumeServerVolumeIncrementalCopyServer) Send(m *VolumeIncrementalCopyResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _VolumeServer_VolumeMount_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeMountRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeMount(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeMount",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeMount(ctx, req.(*VolumeMountRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VolumeUnmount_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeUnmountRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeUnmount(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeUnmount",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeUnmount(ctx, req.(*VolumeUnmountRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VolumeDelete_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeDeleteRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeDelete(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeDelete",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeDelete(ctx, req.(*VolumeDeleteRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VolumeMarkReadonly_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeMarkReadonlyRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeMarkReadonly(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeMarkReadonly",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeMarkReadonly(ctx, req.(*VolumeMarkReadonlyRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VolumeMarkWritable_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeMarkWritableRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeMarkWritable(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeMarkWritable",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeMarkWritable(ctx, req.(*VolumeMarkWritableRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VolumeConfigure_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeConfigureRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeConfigure(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeConfigure",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeConfigure(ctx, req.(*VolumeConfigureRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VolumeStatus_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeStatusRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeStatus(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeStatus",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeStatus(ctx, req.(*VolumeStatusRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VolumeCopy_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(VolumeCopyRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(VolumeServerServer).VolumeCopy(m, &volumeServerVolumeCopyServer{stream})
+}
+
+type VolumeServer_VolumeCopyServer interface {
+	Send(*VolumeCopyResponse) error
+	grpc.ServerStream
+}
+
+type volumeServerVolumeCopyServer struct {
+	grpc.ServerStream
+}
+
+func (x *volumeServerVolumeCopyServer) Send(m *VolumeCopyResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _VolumeServer_ReadVolumeFileStatus_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ReadVolumeFileStatusRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).ReadVolumeFileStatus(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/ReadVolumeFileStatus",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).ReadVolumeFileStatus(ctx, req.(*ReadVolumeFileStatusRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_CopyFile_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(CopyFileRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(VolumeServerServer).CopyFile(m, &volumeServerCopyFileServer{stream})
+}
+
+type VolumeServer_CopyFileServer interface {
+	Send(*CopyFileResponse) error
+	grpc.ServerStream
+}
+
+type volumeServerCopyFileServer struct {
+	grpc.ServerStream
+}
+
+func (x *volumeServerCopyFileServer) Send(m *CopyFileResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _VolumeServer_ReadNeedleBlob_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ReadNeedleBlobRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).ReadNeedleBlob(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/ReadNeedleBlob",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).ReadNeedleBlob(ctx, req.(*ReadNeedleBlobRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_WriteNeedleBlob_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(WriteNeedleBlobRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).WriteNeedleBlob(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/WriteNeedleBlob",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).WriteNeedleBlob(ctx, req.(*WriteNeedleBlobRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_ReadAllNeedles_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(ReadAllNeedlesRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(VolumeServerServer).ReadAllNeedles(m, &volumeServerReadAllNeedlesServer{stream})
+}
+
+type VolumeServer_ReadAllNeedlesServer interface {
+	Send(*ReadAllNeedlesResponse) error
+	grpc.ServerStream
+}
+
+type volumeServerReadAllNeedlesServer struct {
+	grpc.ServerStream
+}
+
+func (x *volumeServerReadAllNeedlesServer) Send(m *ReadAllNeedlesResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _VolumeServer_VolumeTailSender_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(VolumeTailSenderRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(VolumeServerServer).VolumeTailSender(m, &volumeServerVolumeTailSenderServer{stream})
+}
+
+type VolumeServer_VolumeTailSenderServer interface {
+	Send(*VolumeTailSenderResponse) error
+	grpc.ServerStream
+}
+
+type volumeServerVolumeTailSenderServer struct {
+	grpc.ServerStream
+}
+
+func (x *volumeServerVolumeTailSenderServer) Send(m *VolumeTailSenderResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _VolumeServer_VolumeTailReceiver_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeTailReceiverRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeTailReceiver(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeTailReceiver",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeTailReceiver(ctx, req.(*VolumeTailReceiverRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VolumeEcShardsGenerate_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeEcShardsGenerateRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeEcShardsGenerate(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeEcShardsGenerate",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeEcShardsGenerate(ctx, req.(*VolumeEcShardsGenerateRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VolumeEcShardsRebuild_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeEcShardsRebuildRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeEcShardsRebuild(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeEcShardsRebuild",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeEcShardsRebuild(ctx, req.(*VolumeEcShardsRebuildRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VolumeEcShardsCopy_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeEcShardsCopyRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeEcShardsCopy(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeEcShardsCopy",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeEcShardsCopy(ctx, req.(*VolumeEcShardsCopyRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VolumeEcShardsDelete_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeEcShardsDeleteRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeEcShardsDelete(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeEcShardsDelete",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeEcShardsDelete(ctx, req.(*VolumeEcShardsDeleteRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VolumeEcShardsMount_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeEcShardsMountRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeEcShardsMount(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeEcShardsMount",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeEcShardsMount(ctx, req.(*VolumeEcShardsMountRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VolumeEcShardsUnmount_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeEcShardsUnmountRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeEcShardsUnmount(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeEcShardsUnmount",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeEcShardsUnmount(ctx, req.(*VolumeEcShardsUnmountRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VolumeEcShardRead_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(VolumeEcShardReadRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(VolumeServerServer).VolumeEcShardRead(m, &volumeServerVolumeEcShardReadServer{stream})
+}
+
+type VolumeServer_VolumeEcShardReadServer interface {
+	Send(*VolumeEcShardReadResponse) error
+	grpc.ServerStream
+}
+
+type volumeServerVolumeEcShardReadServer struct {
+	grpc.ServerStream
+}
+
+func (x *volumeServerVolumeEcShardReadServer) Send(m *VolumeEcShardReadResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _VolumeServer_VolumeEcBlobDelete_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeEcBlobDeleteRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeEcBlobDelete(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeEcBlobDelete",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeEcBlobDelete(ctx, req.(*VolumeEcBlobDeleteRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VolumeEcShardsToVolume_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeEcShardsToVolumeRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeEcShardsToVolume(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeEcShardsToVolume",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeEcShardsToVolume(ctx, req.(*VolumeEcShardsToVolumeRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VolumeTierMoveDatToRemote_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(VolumeTierMoveDatToRemoteRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(VolumeServerServer).VolumeTierMoveDatToRemote(m, &volumeServerVolumeTierMoveDatToRemoteServer{stream})
+}
+
+type VolumeServer_VolumeTierMoveDatToRemoteServer interface {
+	Send(*VolumeTierMoveDatToRemoteResponse) error
+	grpc.ServerStream
+}
+
+type volumeServerVolumeTierMoveDatToRemoteServer struct {
+	grpc.ServerStream
+}
+
+func (x *volumeServerVolumeTierMoveDatToRemoteServer) Send(m *VolumeTierMoveDatToRemoteResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _VolumeServer_VolumeTierMoveDatFromRemote_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(VolumeTierMoveDatFromRemoteRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(VolumeServerServer).VolumeTierMoveDatFromRemote(m, &volumeServerVolumeTierMoveDatFromRemoteServer{stream})
+}
+
+type VolumeServer_VolumeTierMoveDatFromRemoteServer interface {
+	Send(*VolumeTierMoveDatFromRemoteResponse) error
+	grpc.ServerStream
+}
+
+type volumeServerVolumeTierMoveDatFromRemoteServer struct {
+	grpc.ServerStream
+}
+
+func (x *volumeServerVolumeTierMoveDatFromRemoteServer) Send(m *VolumeTierMoveDatFromRemoteResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _VolumeServer_VolumeServerStatus_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeServerStatusRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeServerStatus(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeServerStatus",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeServerStatus(ctx, req.(*VolumeServerStatusRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_VolumeServerLeave_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeServerLeaveRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeServerLeave(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeServerLeave",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeServerLeave(ctx, req.(*VolumeServerLeaveRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_FetchAndWriteNeedle_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(FetchAndWriteNeedleRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).FetchAndWriteNeedle(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/FetchAndWriteNeedle",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).FetchAndWriteNeedle(ctx, req.(*FetchAndWriteNeedleRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _VolumeServer_Query_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(QueryRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(VolumeServerServer).Query(m, &volumeServerQueryServer{stream})
+}
+
+type VolumeServer_QueryServer interface {
+	Send(*QueriedStripe) error
+	grpc.ServerStream
+}
+
+type volumeServerQueryServer struct {
+	grpc.ServerStream
+}
+
+func (x *volumeServerQueryServer) Send(m *QueriedStripe) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func _VolumeServer_VolumeNeedleStatus_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(VolumeNeedleStatusRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VolumeServerServer).VolumeNeedleStatus(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/volume_server_pb.VolumeServer/VolumeNeedleStatus",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VolumeServerServer).VolumeNeedleStatus(ctx, req.(*VolumeNeedleStatusRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// VolumeServer_ServiceDesc is the grpc.ServiceDesc for VolumeServer service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var VolumeServer_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "volume_server_pb.VolumeServer",
+	HandlerType: (*VolumeServerServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "BatchDelete",
+			Handler:    _VolumeServer_BatchDelete_Handler,
+		},
+		{
+			MethodName: "VacuumVolumeCheck",
+			Handler:    _VolumeServer_VacuumVolumeCheck_Handler,
+		},
+		{
+			MethodName: "VacuumVolumeCommit",
+			Handler:    _VolumeServer_VacuumVolumeCommit_Handler,
+		},
+		{
+			MethodName: "VacuumVolumeCleanup",
+			Handler:    _VolumeServer_VacuumVolumeCleanup_Handler,
+		},
+		{
+			MethodName: "DeleteCollection",
+			Handler:    _VolumeServer_DeleteCollection_Handler,
+		},
+		{
+			MethodName: "AllocateVolume",
+			Handler:    _VolumeServer_AllocateVolume_Handler,
+		},
+		{
+			MethodName: "VolumeSyncStatus",
+			Handler:    _VolumeServer_VolumeSyncStatus_Handler,
+		},
+		{
+			MethodName: "VolumeMount",
+			Handler:    _VolumeServer_VolumeMount_Handler,
+		},
+		{
+			MethodName: "VolumeUnmount",
+			Handler:    _VolumeServer_VolumeUnmount_Handler,
+		},
+		{
+			MethodName: "VolumeDelete",
+			Handler:    _VolumeServer_VolumeDelete_Handler,
+		},
+		{
+			MethodName: "VolumeMarkReadonly",
+			Handler:    _VolumeServer_VolumeMarkReadonly_Handler,
+		},
+		{
+			MethodName: "VolumeMarkWritable",
+			Handler:    _VolumeServer_VolumeMarkWritable_Handler,
+		},
+		{
+			MethodName: "VolumeConfigure",
+			Handler:    _VolumeServer_VolumeConfigure_Handler,
+		},
+		{
+			MethodName: "VolumeStatus",
+			Handler:    _VolumeServer_VolumeStatus_Handler,
+		},
+		{
+			MethodName: "ReadVolumeFileStatus",
+			Handler:    _VolumeServer_ReadVolumeFileStatus_Handler,
+		},
+		{
+			MethodName: "ReadNeedleBlob",
+			Handler:    _VolumeServer_ReadNeedleBlob_Handler,
+		},
+		{
+			MethodName: "WriteNeedleBlob",
+			Handler:    _VolumeServer_WriteNeedleBlob_Handler,
+		},
+		{
+			MethodName: "VolumeTailReceiver",
+			Handler:    _VolumeServer_VolumeTailReceiver_Handler,
+		},
+		{
+			MethodName: "VolumeEcShardsGenerate",
+			Handler:    _VolumeServer_VolumeEcShardsGenerate_Handler,
+		},
+		{
+			MethodName: "VolumeEcShardsRebuild",
+			Handler:    _VolumeServer_VolumeEcShardsRebuild_Handler,
+		},
+		{
+			MethodName: "VolumeEcShardsCopy",
+			Handler:    _VolumeServer_VolumeEcShardsCopy_Handler,
+		},
+		{
+			MethodName: "VolumeEcShardsDelete",
+			Handler:    _VolumeServer_VolumeEcShardsDelete_Handler,
+		},
+		{
+			MethodName: "VolumeEcShardsMount",
+			Handler:    _VolumeServer_VolumeEcShardsMount_Handler,
+		},
+		{
+			MethodName: "VolumeEcShardsUnmount",
+			Handler:    _VolumeServer_VolumeEcShardsUnmount_Handler,
+		},
+		{
+			MethodName: "VolumeEcBlobDelete",
+			Handler:    _VolumeServer_VolumeEcBlobDelete_Handler,
+		},
+		{
+			MethodName: "VolumeEcShardsToVolume",
+			Handler:    _VolumeServer_VolumeEcShardsToVolume_Handler,
+		},
+		{
+			MethodName: "VolumeServerStatus",
+			Handler:    _VolumeServer_VolumeServerStatus_Handler,
+		},
+		{
+			MethodName: "VolumeServerLeave",
+			Handler:    _VolumeServer_VolumeServerLeave_Handler,
+		},
+		{
+			MethodName: "FetchAndWriteNeedle",
+			Handler:    _VolumeServer_FetchAndWriteNeedle_Handler,
+		},
+		{
+			MethodName: "VolumeNeedleStatus",
+			Handler:    _VolumeServer_VolumeNeedleStatus_Handler,
+		},
+	},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "VacuumVolumeCompact",
+			Handler:       _VolumeServer_VacuumVolumeCompact_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "VolumeIncrementalCopy",
+			Handler:       _VolumeServer_VolumeIncrementalCopy_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "VolumeCopy",
+			Handler:       _VolumeServer_VolumeCopy_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "CopyFile",
+			Handler:       _VolumeServer_CopyFile_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "ReadAllNeedles",
+			Handler:       _VolumeServer_ReadAllNeedles_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "VolumeTailSender",
+			Handler:       _VolumeServer_VolumeTailSender_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "VolumeEcShardRead",
+			Handler:       _VolumeServer_VolumeEcShardRead_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "VolumeTierMoveDatToRemote",
+			Handler:       _VolumeServer_VolumeTierMoveDatToRemote_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "VolumeTierMoveDatFromRemote",
+			Handler:       _VolumeServer_VolumeTierMoveDatFromRemote_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "Query",
+			Handler:       _VolumeServer_Query_Handler,
+			ServerStreams: true,
+		},
+	},
+	Metadata: "volume_server.proto",
+}
diff --git a/weed/server/filer_server.go b/weed/server/filer_server.go
index e5f5a092e..cee15848a 100644
--- a/weed/server/filer_server.go
+++ b/weed/server/filer_server.go
@@ -3,6 +3,7 @@ package weed_server
 import (
 	"context"
 	"fmt"
+	"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
 	"net/http"
 	"os"
 	"sync"
@@ -65,6 +66,7 @@ type FilerOption struct {
 }
 
 type FilerServer struct {
+	filer_pb.UnimplementedSeaweedFilerServer
 	option         *FilerOption
 	secret         security.SigningKey
 	filer          *filer.Filer
diff --git a/weed/server/master_server.go b/weed/server/master_server.go
index 2b47fda11..f1eb8ec3a 100644
--- a/weed/server/master_server.go
+++ b/weed/server/master_server.go
@@ -49,6 +49,7 @@ type MasterOption struct {
 }
 
 type MasterServer struct {
+	master_pb.UnimplementedSeaweedServer
 	option *MasterOption
 	guard  *security.Guard
 
diff --git a/weed/server/volume_server.go b/weed/server/volume_server.go
index 6b6692146..2551cc6e6 100644
--- a/weed/server/volume_server.go
+++ b/weed/server/volume_server.go
@@ -2,6 +2,7 @@ package weed_server
 
 import (
 	"github.com/chrislusf/seaweedfs/weed/pb"
+	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
 	"github.com/chrislusf/seaweedfs/weed/storage/types"
 	"net/http"
 	"sync"
@@ -17,6 +18,7 @@ import (
 )
 
 type VolumeServer struct {
+	volume_server_pb.UnimplementedVolumeServerServer
 	inFlightUploadDataSize        int64
 	inFlightDownloadDataSize      int64
 	concurrentUploadLimit         int64