refactor grpc API

4 files changed, 1010 insertions, 820 deletions

diff --git a/weed/pb/master.proto b/weed/pb/master.proto
index 11537a4b9..d3ebee11f 100644
--- a/weed/pb/master.proto
+++ b/weed/pb/master.proto
@@ -7,210 +7,222 @@ option go_package = "github.com/chrislusf/seaweedfs/weed/pb/master_pb";
 //////////////////////////////////////////////////
 
 service Seaweed {
-    rpc SendHeartbeat (stream Heartbeat) returns (stream HeartbeatResponse) {
-    }
-    rpc KeepConnected (stream KeepConnectedRequest) returns (stream VolumeLocation) {
-    }
-    rpc LookupVolume (LookupVolumeRequest) returns (LookupVolumeResponse) {
-    }
-    rpc Assign (AssignRequest) returns (AssignResponse) {
-    }
-    rpc Statistics (StatisticsRequest) returns (StatisticsResponse) {
-    }
-    rpc CollectionList (CollectionListRequest) returns (CollectionListResponse) {
-    }
-    rpc CollectionDelete (CollectionDeleteRequest) returns (CollectionDeleteResponse) {
-    }
-    rpc VolumeList (VolumeListRequest) returns (VolumeListResponse) {
-    }
-    rpc LookupEcVolume (LookupEcVolumeRequest) returns (LookupEcVolumeResponse) {
-    }
-    rpc VacuumVolume (VacuumVolumeRequest) returns (VacuumVolumeResponse) {
-    }
-    rpc GetMasterConfiguration (GetMasterConfigurationRequest) returns (GetMasterConfigurationResponse) {
-    }
-    rpc ListClusterNodes (ListClusterNodesRequest) returns (ListClusterNodesResponse) {
-    }
-    rpc LeaseAdminToken (LeaseAdminTokenRequest) returns (LeaseAdminTokenResponse) {
-    }
-    rpc ReleaseAdminToken (ReleaseAdminTokenRequest) returns (ReleaseAdminTokenResponse) {
-    }
+  rpc SendHeartbeat (stream Heartbeat) returns (stream HeartbeatResponse) {
+  }
+  rpc KeepConnected (stream KeepConnectedRequest) returns (stream KeepConnectedResponse) {
+  }
+  rpc LookupVolume (LookupVolumeRequest) returns (LookupVolumeResponse) {
+  }
+  rpc Assign (AssignRequest) returns (AssignResponse) {
+  }
+  rpc Statistics (StatisticsRequest) returns (StatisticsResponse) {
+  }
+  rpc CollectionList (CollectionListRequest) returns (CollectionListResponse) {
+  }
+  rpc CollectionDelete (CollectionDeleteRequest) returns (CollectionDeleteResponse) {
+  }
+  rpc VolumeList (VolumeListRequest) returns (VolumeListResponse) {
+  }
+  rpc LookupEcVolume (LookupEcVolumeRequest) returns (LookupEcVolumeResponse) {
+  }
+  rpc VacuumVolume (VacuumVolumeRequest) returns (VacuumVolumeResponse) {
+  }
+  rpc GetMasterConfiguration (GetMasterConfigurationRequest) returns (GetMasterConfigurationResponse) {
+  }
+  rpc ListClusterNodes (ListClusterNodesRequest) returns (ListClusterNodesResponse) {
+  }
+  rpc LeaseAdminToken (LeaseAdminTokenRequest) returns (LeaseAdminTokenResponse) {
+  }
+  rpc ReleaseAdminToken (ReleaseAdminTokenRequest) returns (ReleaseAdminTokenResponse) {
+  }
 
 }
 
 //////////////////////////////////////////////////
 
 message Heartbeat {
-    string ip = 1;
-    uint32 port = 2;
-    string public_url = 3;
-    uint64 max_file_key = 5;
-    string data_center = 6;
-    string rack = 7;
-    uint32 admin_port = 8;
-    repeated VolumeInformationMessage volumes = 9;
-    // delta volumes
-    repeated VolumeShortInformationMessage new_volumes = 10;
-    repeated VolumeShortInformationMessage deleted_volumes = 11;
-    bool has_no_volumes = 12;
-
-    // erasure coding
-    repeated VolumeEcShardInformationMessage ec_shards = 16;
-    // delta erasure coding shards
-    repeated VolumeEcShardInformationMessage new_ec_shards = 17;
-    repeated VolumeEcShardInformationMessage deleted_ec_shards = 18;
-    bool has_no_ec_shards = 19;
-
-    map<string, uint32> max_volume_counts = 4;
-    uint32 grpc_port = 20;
+  string ip = 1;
+  uint32 port = 2;
+  string public_url = 3;
+  uint64 max_file_key = 5;
+  string data_center = 6;
+  string rack = 7;
+  uint32 admin_port = 8;
+  repeated VolumeInformationMessage volumes = 9;
+  // delta volumes
+  repeated VolumeShortInformationMessage new_volumes = 10;
+  repeated VolumeShortInformationMessage deleted_volumes = 11;
+  bool has_no_volumes = 12;
+
+  // erasure coding
+  repeated VolumeEcShardInformationMessage ec_shards = 16;
+  // delta erasure coding shards
+  repeated VolumeEcShardInformationMessage new_ec_shards = 17;
+  repeated VolumeEcShardInformationMessage deleted_ec_shards = 18;
+  bool has_no_ec_shards = 19;
+
+  map<string, uint32> max_volume_counts = 4;
+  uint32 grpc_port = 20;
 
 }
 
 message HeartbeatResponse {
-    uint64 volume_size_limit = 1;
-    string leader = 2;
-    string metrics_address = 3;
-    uint32 metrics_interval_seconds = 4;
-    repeated StorageBackend storage_backends = 5;
+  uint64 volume_size_limit = 1;
+  string leader = 2;
+  string metrics_address = 3;
+  uint32 metrics_interval_seconds = 4;
+  repeated StorageBackend storage_backends = 5;
 }
 
 message VolumeInformationMessage {
-    uint32 id = 1;
-    uint64 size = 2;
-    string collection = 3;
-    uint64 file_count = 4;
-    uint64 delete_count = 5;
-    uint64 deleted_byte_count = 6;
-    bool read_only = 7;
-    uint32 replica_placement = 8;
-    uint32 version = 9;
-    uint32 ttl = 10;
-    uint32 compact_revision = 11;
-    int64 modified_at_second = 12;
-    string remote_storage_name = 13;
-    string remote_storage_key = 14;
-    string disk_type = 15;
+  uint32 id = 1;
+  uint64 size = 2;
+  string collection = 3;
+  uint64 file_count = 4;
+  uint64 delete_count = 5;
+  uint64 deleted_byte_count = 6;
+  bool read_only = 7;
+  uint32 replica_placement = 8;
+  uint32 version = 9;
+  uint32 ttl = 10;
+  uint32 compact_revision = 11;
+  int64 modified_at_second = 12;
+  string remote_storage_name = 13;
+  string remote_storage_key = 14;
+  string disk_type = 15;
 }
 
 message VolumeShortInformationMessage {
-    uint32 id = 1;
-    string collection = 3;
-    uint32 replica_placement = 8;
-    uint32 version = 9;
-    uint32 ttl = 10;
-    string disk_type = 15;
+  uint32 id = 1;
+  string collection = 3;
+  uint32 replica_placement = 8;
+  uint32 version = 9;
+  uint32 ttl = 10;
+  string disk_type = 15;
 }
 
 message VolumeEcShardInformationMessage {
-    uint32 id = 1;
-    string collection = 2;
-    uint32 ec_index_bits = 3;
-    string disk_type = 4;
+  uint32 id = 1;
+  string collection = 2;
+  uint32 ec_index_bits = 3;
+  string disk_type = 4;
 }
 
 message StorageBackend {
-    string type = 1;
-    string id = 2;
-    map<string, string> properties = 3;
+  string type = 1;
+  string id = 2;
+  map<string, string> properties = 3;
 }
 
 message Empty {
 }
 
 message SuperBlockExtra {
-    message ErasureCoding {
-        uint32 data = 1;
-        uint32 parity = 2;
-        repeated uint32 volume_ids = 3;
-    }
-    ErasureCoding erasure_coding = 1;
+  message ErasureCoding {
+    uint32 data = 1;
+    uint32 parity = 2;
+    repeated uint32 volume_ids = 3;
+  }
+  ErasureCoding erasure_coding = 1;
 }
 
 message KeepConnectedRequest {
-    string client_type = 1;
-    string client_address = 3;
-    string version = 4;
+  string client_type = 1;
+  string client_address = 3;
+  string version = 4;
 }
 
 message VolumeLocation {
-    string url = 1;
-    string public_url = 2;
-    repeated uint32 new_vids = 3;
-    repeated uint32 deleted_vids = 4;
-    string leader = 5; // optional when leader is not itself
-    string data_center = 6; // optional when DataCenter is in use
-    uint32 grpc_port = 7;
+  string url = 1;
+  string public_url = 2;
+  repeated uint32 new_vids = 3;
+  repeated uint32 deleted_vids = 4;
+  string leader = 5; // optional when leader is not itself
+  string data_center = 6; // optional when DataCenter is in use
+  uint32 grpc_port = 7;
+}
+
+message ClusterNodeUpdate {
+  string node_type = 1;
+  string address = 2;
+  bool is_leader = 3;
+  bool is_add = 4;
+}
+
+message KeepConnectedResponse {
+  VolumeLocation volume_location = 1;
+  ClusterNodeUpdate cluster_node_update = 2;
 }
 
 message LookupVolumeRequest {
-    repeated string volume_or_file_ids = 1;
-    string collection = 2; // optional, a bit faster if provided.
+  repeated string volume_or_file_ids = 1;
+  string collection = 2; // optional, a bit faster if provided.
 }
 message LookupVolumeResponse {
-    message VolumeIdLocation {
-        string volume_or_file_id = 1;
-        repeated Location locations = 2;
-        string error = 3;
-        string auth = 4;
-    }
-    repeated VolumeIdLocation volume_id_locations = 1;
+  message VolumeIdLocation {
+    string volume_or_file_id = 1;
+    repeated Location locations = 2;
+    string error = 3;
+    string auth = 4;
+  }
+  repeated VolumeIdLocation volume_id_locations = 1;
 }
 
 message Location {
-    string url = 1;
-    string public_url = 2;
-    uint32 grpc_port = 3;
+  string url = 1;
+  string public_url = 2;
+  uint32 grpc_port = 3;
 }
 
 message AssignRequest {
-    uint64 count = 1;
-    string replication = 2;
-    string collection = 3;
-    string ttl = 4;
-    string data_center = 5;
-    string rack = 6;
-    string data_node = 7;
-    uint32 memory_map_max_size_mb = 8;
-    uint32 Writable_volume_count = 9;
-    string disk_type = 10;
+  uint64 count = 1;
+  string replication = 2;
+  string collection = 3;
+  string ttl = 4;
+  string data_center = 5;
+  string rack = 6;
+  string data_node = 7;
+  uint32 memory_map_max_size_mb = 8;
+  uint32 Writable_volume_count = 9;
+  string disk_type = 10;
 }
 message AssignResponse {
-    string fid = 1;
-    uint64 count = 4;
-    string error = 5;
-    string auth = 6;
-    repeated Location replicas = 7;
-    Location location = 8;
+  string fid = 1;
+  uint64 count = 4;
+  string error = 5;
+  string auth = 6;
+  repeated Location replicas = 7;
+  Location location = 8;
 }
 
 message StatisticsRequest {
-    string replication = 1;
-    string collection = 2;
-    string ttl = 3;
-    string disk_type = 4;
+  string replication = 1;
+  string collection = 2;
+  string ttl = 3;
+  string disk_type = 4;
 }
 message StatisticsResponse {
-    uint64 total_size = 4;
-    uint64 used_size = 5;
-    uint64 file_count = 6;
+  uint64 total_size = 4;
+  uint64 used_size = 5;
+  uint64 file_count = 6;
 }
 
 //
 // collection related
 //
 message Collection {
-    string name = 1;
+  string name = 1;
 }
 message CollectionListRequest {
-    bool include_normal_volumes = 1;
-    bool include_ec_volumes = 2;
+  bool include_normal_volumes = 1;
+  bool include_ec_volumes = 2;
 }
 message CollectionListResponse {
-    repeated Collection collections = 1;
+  repeated Collection collections = 1;
 }
 
 message CollectionDeleteRequest {
-    string name = 1;
+  string name = 1;
 }
 message CollectionDeleteResponse {
 }
@@ -219,56 +231,56 @@ message CollectionDeleteResponse {
 // volume related
 //
 message DiskInfo {
-    string type = 1;
-    int64 volume_count = 2;
-    int64 max_volume_count = 3;
-    int64 free_volume_count = 4;
-    int64 active_volume_count = 5;
-    repeated VolumeInformationMessage volume_infos = 6;
-    repeated VolumeEcShardInformationMessage ec_shard_infos = 7;
-    int64 remote_volume_count = 8;
+  string type = 1;
+  int64 volume_count = 2;
+  int64 max_volume_count = 3;
+  int64 free_volume_count = 4;
+  int64 active_volume_count = 5;
+  repeated VolumeInformationMessage volume_infos = 6;
+  repeated VolumeEcShardInformationMessage ec_shard_infos = 7;
+  int64 remote_volume_count = 8;
 }
 message DataNodeInfo {
-    string id = 1;
-    map<string, DiskInfo> diskInfos = 2;
-    uint32 grpc_port = 3;
+  string id = 1;
+  map<string, DiskInfo> diskInfos = 2;
+  uint32 grpc_port = 3;
 }
 message RackInfo {
-    string id = 1;
-    repeated DataNodeInfo data_node_infos = 2;
-    map<string, DiskInfo> diskInfos = 3;
+  string id = 1;
+  repeated DataNodeInfo data_node_infos = 2;
+  map<string, DiskInfo> diskInfos = 3;
 }
 message DataCenterInfo {
-    string id = 1;
-    repeated RackInfo rack_infos = 2;
-    map<string, DiskInfo> diskInfos = 3;
+  string id = 1;
+  repeated RackInfo rack_infos = 2;
+  map<string, DiskInfo> diskInfos = 3;
 }
 message TopologyInfo {
-    string id = 1;
-    repeated DataCenterInfo data_center_infos = 2;
-    map<string, DiskInfo> diskInfos = 3;
+  string id = 1;
+  repeated DataCenterInfo data_center_infos = 2;
+  map<string, DiskInfo> diskInfos = 3;
 }
 message VolumeListRequest {
 }
 message VolumeListResponse {
-    TopologyInfo topology_info = 1;
-    uint64 volume_size_limit_mb = 2;
+  TopologyInfo topology_info = 1;
+  uint64 volume_size_limit_mb = 2;
 }
 
 message LookupEcVolumeRequest {
-    uint32 volume_id = 1;
+  uint32 volume_id = 1;
 }
 message LookupEcVolumeResponse {
-    uint32 volume_id = 1;
-    message EcShardIdLocation {
-        uint32 shard_id = 1;
-        repeated Location locations = 2;
-    }
-    repeated EcShardIdLocation shard_id_locations = 2;
+  uint32 volume_id = 1;
+  message EcShardIdLocation {
+    uint32 shard_id = 1;
+    repeated Location locations = 2;
+  }
+  repeated EcShardIdLocation shard_id_locations = 2;
 }
 
 message VacuumVolumeRequest {
-    float garbage_threshold = 1;
+  float garbage_threshold = 1;
 }
 message VacuumVolumeResponse {
 }
@@ -276,41 +288,41 @@ message VacuumVolumeResponse {
 message GetMasterConfigurationRequest {
 }
 message GetMasterConfigurationResponse {
-    string metrics_address = 1;
-    uint32 metrics_interval_seconds = 2;
-    repeated StorageBackend storage_backends = 3;
-    string default_replication = 4;
-    string leader = 5;
-    uint32 volume_size_limit_m_b = 6;
-    bool volume_preallocate = 7;
+  string metrics_address = 1;
+  uint32 metrics_interval_seconds = 2;
+  repeated StorageBackend storage_backends = 3;
+  string default_replication = 4;
+  string leader = 5;
+  uint32 volume_size_limit_m_b = 6;
+  bool volume_preallocate = 7;
 }
 
 message ListClusterNodesRequest {
-    string client_type = 1;
+  string client_type = 1;
 }
 message ListClusterNodesResponse {
-    message ClusterNode {
-        string address = 1;
-        string version = 2;
-    }
-    repeated ClusterNode cluster_nodes = 1;
+  message ClusterNode {
+    string address = 1;
+    string version = 2;
+  }
+  repeated ClusterNode cluster_nodes = 1;
 }
 
 message LeaseAdminTokenRequest {
-    int64 previous_token = 1;
-    int64 previous_lock_time = 2;
-    string lock_name = 3;
-    string client_name = 4;
+  int64 previous_token = 1;
+  int64 previous_lock_time = 2;
+  string lock_name = 3;
+  string client_name = 4;
 }
 message LeaseAdminTokenResponse {
-    int64 token = 1;
-    int64 lock_ts_ns = 2;
+  int64 token = 1;
+  int64 lock_ts_ns = 2;
 }
 
 message ReleaseAdminTokenRequest {
-    int64 previous_token = 1;
-    int64 previous_lock_time = 2;
-    string lock_name = 3;
+  int64 previous_token = 1;
+  int64 previous_lock_time = 2;
+  string lock_name = 3;
 }
 message ReleaseAdminTokenResponse {
 }
diff --git a/weed/pb/master_pb/master.pb.go b/weed/pb/master_pb/master.pb.go
index 6fd1ba13a..0ee60f403 100644
--- a/weed/pb/master_pb/master.pb.go
+++ b/weed/pb/master_pb/master.pb.go
@@ -909,6 +909,132 @@ func (x *VolumeLocation) GetGrpcPort() uint32 {
 	return 0
 }
 
+type ClusterNodeUpdate struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	NodeType string `protobuf:"bytes,1,opt,name=node_type,json=nodeType,proto3" json:"node_type,omitempty"`
+	Address  string `protobuf:"bytes,2,opt,name=address,proto3" json:"address,omitempty"`
+	IsLeader bool   `protobuf:"varint,3,opt,name=is_leader,json=isLeader,proto3" json:"is_leader,omitempty"`
+	IsAdd    bool   `protobuf:"varint,4,opt,name=is_add,json=isAdd,proto3" json:"is_add,omitempty"`
+}
+
+func (x *ClusterNodeUpdate) Reset() {
+	*x = ClusterNodeUpdate{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_master_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ClusterNodeUpdate) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ClusterNodeUpdate) ProtoMessage() {}
+
+func (x *ClusterNodeUpdate) ProtoReflect() protoreflect.Message {
+	mi := &file_master_proto_msgTypes[10]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ClusterNodeUpdate.ProtoReflect.Descriptor instead.
+func (*ClusterNodeUpdate) Descriptor() ([]byte, []int) {
+	return file_master_proto_rawDescGZIP(), []int{10}
+}
+
+func (x *ClusterNodeUpdate) GetNodeType() string {
+	if x != nil {
+		return x.NodeType
+	}
+	return ""
+}
+
+func (x *ClusterNodeUpdate) GetAddress() string {
+	if x != nil {
+		return x.Address
+	}
+	return ""
+}
+
+func (x *ClusterNodeUpdate) GetIsLeader() bool {
+	if x != nil {
+		return x.IsLeader
+	}
+	return false
+}
+
+func (x *ClusterNodeUpdate) GetIsAdd() bool {
+	if x != nil {
+		return x.IsAdd
+	}
+	return false
+}
+
+type KeepConnectedResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	VolumeLocation    *VolumeLocation    `protobuf:"bytes,1,opt,name=volume_location,json=volumeLocation,proto3" json:"volume_location,omitempty"`
+	ClusterNodeUpdate *ClusterNodeUpdate `protobuf:"bytes,2,opt,name=cluster_node_update,json=clusterNodeUpdate,proto3" json:"cluster_node_update,omitempty"`
+}
+
+func (x *KeepConnectedResponse) Reset() {
+	*x = KeepConnectedResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_master_proto_msgTypes[11]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *KeepConnectedResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*KeepConnectedResponse) ProtoMessage() {}
+
+func (x *KeepConnectedResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_master_proto_msgTypes[11]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use KeepConnectedResponse.ProtoReflect.Descriptor instead.
+func (*KeepConnectedResponse) Descriptor() ([]byte, []int) {
+	return file_master_proto_rawDescGZIP(), []int{11}
+}
+
+func (x *KeepConnectedResponse) GetVolumeLocation() *VolumeLocation {
+	if x != nil {
+		return x.VolumeLocation
+	}
+	return nil
+}
+
+func (x *KeepConnectedResponse) GetClusterNodeUpdate() *ClusterNodeUpdate {
+	if x != nil {
+		return x.ClusterNodeUpdate
+	}
+	return nil
+}
+
 type LookupVolumeRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -921,7 +1047,7 @@ type LookupVolumeRequest struct {
 func (x *LookupVolumeRequest) Reset() {
 	*x = LookupVolumeRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[10]
+		mi := &file_master_proto_msgTypes[12]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -934,7 +1060,7 @@ func (x *LookupVolumeRequest) String() string {
 func (*LookupVolumeRequest) ProtoMessage() {}
 
 func (x *LookupVolumeRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[10]
+	mi := &file_master_proto_msgTypes[12]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -947,7 +1073,7 @@ func (x *LookupVolumeRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LookupVolumeRequest.ProtoReflect.Descriptor instead.
 func (*LookupVolumeRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{10}
+	return file_master_proto_rawDescGZIP(), []int{12}
 }
 
 func (x *LookupVolumeRequest) GetVolumeOrFileIds() []string {
@@ -975,7 +1101,7 @@ type LookupVolumeResponse struct {
 func (x *LookupVolumeResponse) Reset() {
 	*x = LookupVolumeResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[11]
+		mi := &file_master_proto_msgTypes[13]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -988,7 +1114,7 @@ func (x *LookupVolumeResponse) String() string {
 func (*LookupVolumeResponse) ProtoMessage() {}
 
 func (x *LookupVolumeResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[11]
+	mi := &file_master_proto_msgTypes[13]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1001,7 +1127,7 @@ func (x *LookupVolumeResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LookupVolumeResponse.ProtoReflect.Descriptor instead.
 func (*LookupVolumeResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{11}
+	return file_master_proto_rawDescGZIP(), []int{13}
 }
 
 func (x *LookupVolumeResponse) GetVolumeIdLocations() []*LookupVolumeResponse_VolumeIdLocation {
@@ -1024,7 +1150,7 @@ type Location struct {
 func (x *Location) Reset() {
 	*x = Location{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[12]
+		mi := &file_master_proto_msgTypes[14]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1037,7 +1163,7 @@ func (x *Location) String() string {
 func (*Location) ProtoMessage() {}
 
 func (x *Location) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[12]
+	mi := &file_master_proto_msgTypes[14]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1050,7 +1176,7 @@ func (x *Location) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Location.ProtoReflect.Descriptor instead.
 func (*Location) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{12}
+	return file_master_proto_rawDescGZIP(), []int{14}
 }
 
 func (x *Location) GetUrl() string {
@@ -1094,7 +1220,7 @@ type AssignRequest struct {
 func (x *AssignRequest) Reset() {
 	*x = AssignRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[13]
+		mi := &file_master_proto_msgTypes[15]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1107,7 +1233,7 @@ func (x *AssignRequest) String() string {
 func (*AssignRequest) ProtoMessage() {}
 
 func (x *AssignRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[13]
+	mi := &file_master_proto_msgTypes[15]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1120,7 +1246,7 @@ func (x *AssignRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AssignRequest.ProtoReflect.Descriptor instead.
 func (*AssignRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{13}
+	return file_master_proto_rawDescGZIP(), []int{15}
 }
 
 func (x *AssignRequest) GetCount() uint64 {
@@ -1209,7 +1335,7 @@ type AssignResponse struct {
 func (x *AssignResponse) Reset() {
 	*x = AssignResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[14]
+		mi := &file_master_proto_msgTypes[16]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1222,7 +1348,7 @@ func (x *AssignResponse) String() string {
 func (*AssignResponse) ProtoMessage() {}
 
 func (x *AssignResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[14]
+	mi := &file_master_proto_msgTypes[16]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1235,7 +1361,7 @@ func (x *AssignResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use AssignResponse.ProtoReflect.Descriptor instead.
 func (*AssignResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{14}
+	return file_master_proto_rawDescGZIP(), []int{16}
 }
 
 func (x *AssignResponse) GetFid() string {
@@ -1294,7 +1420,7 @@ type StatisticsRequest struct {
 func (x *StatisticsRequest) Reset() {
 	*x = StatisticsRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[15]
+		mi := &file_master_proto_msgTypes[17]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1307,7 +1433,7 @@ func (x *StatisticsRequest) String() string {
 func (*StatisticsRequest) ProtoMessage() {}
 
 func (x *StatisticsRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[15]
+	mi := &file_master_proto_msgTypes[17]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1320,7 +1446,7 @@ func (x *StatisticsRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use StatisticsRequest.ProtoReflect.Descriptor instead.
 func (*StatisticsRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{15}
+	return file_master_proto_rawDescGZIP(), []int{17}
 }
 
 func (x *StatisticsRequest) GetReplication() string {
@@ -1364,7 +1490,7 @@ type StatisticsResponse struct {
 func (x *StatisticsResponse) Reset() {
 	*x = StatisticsResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[16]
+		mi := &file_master_proto_msgTypes[18]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1377,7 +1503,7 @@ func (x *StatisticsResponse) String() string {
 func (*StatisticsResponse) ProtoMessage() {}
 
 func (x *StatisticsResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[16]
+	mi := &file_master_proto_msgTypes[18]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1390,7 +1516,7 @@ func (x *StatisticsResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use StatisticsResponse.ProtoReflect.Descriptor instead.
 func (*StatisticsResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{16}
+	return file_master_proto_rawDescGZIP(), []int{18}
 }
 
 func (x *StatisticsResponse) GetTotalSize() uint64 {
@@ -1428,7 +1554,7 @@ type Collection struct {
 func (x *Collection) Reset() {
 	*x = Collection{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[17]
+		mi := &file_master_proto_msgTypes[19]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1441,7 +1567,7 @@ func (x *Collection) String() string {
 func (*Collection) ProtoMessage() {}
 
 func (x *Collection) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[17]
+	mi := &file_master_proto_msgTypes[19]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1454,7 +1580,7 @@ func (x *Collection) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Collection.ProtoReflect.Descriptor instead.
 func (*Collection) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{17}
+	return file_master_proto_rawDescGZIP(), []int{19}
 }
 
 func (x *Collection) GetName() string {
@@ -1476,7 +1602,7 @@ type CollectionListRequest struct {
 func (x *CollectionListRequest) Reset() {
 	*x = CollectionListRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[18]
+		mi := &file_master_proto_msgTypes[20]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1489,7 +1615,7 @@ func (x *CollectionListRequest) String() string {
 func (*CollectionListRequest) ProtoMessage() {}
 
 func (x *CollectionListRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[18]
+	mi := &file_master_proto_msgTypes[20]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1502,7 +1628,7 @@ func (x *CollectionListRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CollectionListRequest.ProtoReflect.Descriptor instead.
 func (*CollectionListRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{18}
+	return file_master_proto_rawDescGZIP(), []int{20}
 }
 
 func (x *CollectionListRequest) GetIncludeNormalVolumes() bool {
@@ -1530,7 +1656,7 @@ type CollectionListResponse struct {
 func (x *CollectionListResponse) Reset() {
 	*x = CollectionListResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[19]
+		mi := &file_master_proto_msgTypes[21]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1543,7 +1669,7 @@ func (x *CollectionListResponse) String() string {
 func (*CollectionListResponse) ProtoMessage() {}
 
 func (x *CollectionListResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[19]
+	mi := &file_master_proto_msgTypes[21]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1556,7 +1682,7 @@ func (x *CollectionListResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CollectionListResponse.ProtoReflect.Descriptor instead.
 func (*CollectionListResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{19}
+	return file_master_proto_rawDescGZIP(), []int{21}
 }
 
 func (x *CollectionListResponse) GetCollections() []*Collection {
@@ -1577,7 +1703,7 @@ type CollectionDeleteRequest struct {
 func (x *CollectionDeleteRequest) Reset() {
 	*x = CollectionDeleteRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[20]
+		mi := &file_master_proto_msgTypes[22]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1590,7 +1716,7 @@ func (x *CollectionDeleteRequest) String() string {
 func (*CollectionDeleteRequest) ProtoMessage() {}
 
 func (x *CollectionDeleteRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[20]
+	mi := &file_master_proto_msgTypes[22]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1603,7 +1729,7 @@ func (x *CollectionDeleteRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CollectionDeleteRequest.ProtoReflect.Descriptor instead.
 func (*CollectionDeleteRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{20}
+	return file_master_proto_rawDescGZIP(), []int{22}
 }
 
 func (x *CollectionDeleteRequest) GetName() string {
@@ -1622,7 +1748,7 @@ type CollectionDeleteResponse struct {
 func (x *CollectionDeleteResponse) Reset() {
 	*x = CollectionDeleteResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[21]
+		mi := &file_master_proto_msgTypes[23]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1635,7 +1761,7 @@ func (x *CollectionDeleteResponse) String() string {
 func (*CollectionDeleteResponse) ProtoMessage() {}
 
 func (x *CollectionDeleteResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[21]
+	mi := &file_master_proto_msgTypes[23]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1648,7 +1774,7 @@ func (x *CollectionDeleteResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CollectionDeleteResponse.ProtoReflect.Descriptor instead.
 func (*CollectionDeleteResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{21}
+	return file_master_proto_rawDescGZIP(), []int{23}
 }
 
 //
@@ -1672,7 +1798,7 @@ type DiskInfo struct {
 func (x *DiskInfo) Reset() {
 	*x = DiskInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[22]
+		mi := &file_master_proto_msgTypes[24]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1685,7 +1811,7 @@ func (x *DiskInfo) String() string {
 func (*DiskInfo) ProtoMessage() {}
 
 func (x *DiskInfo) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[22]
+	mi := &file_master_proto_msgTypes[24]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1698,7 +1824,7 @@ func (x *DiskInfo) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DiskInfo.ProtoReflect.Descriptor instead.
 func (*DiskInfo) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{22}
+	return file_master_proto_rawDescGZIP(), []int{24}
 }
 
 func (x *DiskInfo) GetType() string {
@@ -1770,7 +1896,7 @@ type DataNodeInfo struct {
 func (x *DataNodeInfo) Reset() {
 	*x = DataNodeInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[23]
+		mi := &file_master_proto_msgTypes[25]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1783,7 +1909,7 @@ func (x *DataNodeInfo) String() string {
 func (*DataNodeInfo) ProtoMessage() {}
 
 func (x *DataNodeInfo) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[23]
+	mi := &file_master_proto_msgTypes[25]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1796,7 +1922,7 @@ func (x *DataNodeInfo) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DataNodeInfo.ProtoReflect.Descriptor instead.
 func (*DataNodeInfo) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{23}
+	return file_master_proto_rawDescGZIP(), []int{25}
 }
 
 func (x *DataNodeInfo) GetId() string {
@@ -1833,7 +1959,7 @@ type RackInfo struct {
 func (x *RackInfo) Reset() {
 	*x = RackInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[24]
+		mi := &file_master_proto_msgTypes[26]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1846,7 +1972,7 @@ func (x *RackInfo) String() string {
 func (*RackInfo) ProtoMessage() {}
 
 func (x *RackInfo) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[24]
+	mi := &file_master_proto_msgTypes[26]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1859,7 +1985,7 @@ func (x *RackInfo) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use RackInfo.ProtoReflect.Descriptor instead.
 func (*RackInfo) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{24}
+	return file_master_proto_rawDescGZIP(), []int{26}
 }
 
 func (x *RackInfo) GetId() string {
@@ -1896,7 +2022,7 @@ type DataCenterInfo struct {
 func (x *DataCenterInfo) Reset() {
 	*x = DataCenterInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[25]
+		mi := &file_master_proto_msgTypes[27]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1909,7 +2035,7 @@ func (x *DataCenterInfo) String() string {
 func (*DataCenterInfo) ProtoMessage() {}
 
 func (x *DataCenterInfo) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[25]
+	mi := &file_master_proto_msgTypes[27]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1922,7 +2048,7 @@ func (x *DataCenterInfo) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use DataCenterInfo.ProtoReflect.Descriptor instead.
 func (*DataCenterInfo) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{25}
+	return file_master_proto_rawDescGZIP(), []int{27}
 }
 
 func (x *DataCenterInfo) GetId() string {
@@ -1959,7 +2085,7 @@ type TopologyInfo struct {
 func (x *TopologyInfo) Reset() {
 	*x = TopologyInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[26]
+		mi := &file_master_proto_msgTypes[28]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1972,7 +2098,7 @@ func (x *TopologyInfo) String() string {
 func (*TopologyInfo) ProtoMessage() {}
 
 func (x *TopologyInfo) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[26]
+	mi := &file_master_proto_msgTypes[28]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1985,7 +2111,7 @@ func (x *TopologyInfo) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use TopologyInfo.ProtoReflect.Descriptor instead.
 func (*TopologyInfo) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{26}
+	return file_master_proto_rawDescGZIP(), []int{28}
 }
 
 func (x *TopologyInfo) GetId() string {
@@ -2018,7 +2144,7 @@ type VolumeListRequest struct {
 func (x *VolumeListRequest) Reset() {
 	*x = VolumeListRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[27]
+		mi := &file_master_proto_msgTypes[29]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2031,7 +2157,7 @@ func (x *VolumeListRequest) String() string {
 func (*VolumeListRequest) ProtoMessage() {}
 
 func (x *VolumeListRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[27]
+	mi := &file_master_proto_msgTypes[29]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2044,7 +2170,7 @@ func (x *VolumeListRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use VolumeListRequest.ProtoReflect.Descriptor instead.
 func (*VolumeListRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{27}
+	return file_master_proto_rawDescGZIP(), []int{29}
 }
 
 type VolumeListResponse struct {
@@ -2059,7 +2185,7 @@ type VolumeListResponse struct {
 func (x *VolumeListResponse) Reset() {
 	*x = VolumeListResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[28]
+		mi := &file_master_proto_msgTypes[30]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2072,7 +2198,7 @@ func (x *VolumeListResponse) String() string {
 func (*VolumeListResponse) ProtoMessage() {}
 
 func (x *VolumeListResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[28]
+	mi := &file_master_proto_msgTypes[30]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2085,7 +2211,7 @@ func (x *VolumeListResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use VolumeListResponse.ProtoReflect.Descriptor instead.
 func (*VolumeListResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{28}
+	return file_master_proto_rawDescGZIP(), []int{30}
 }
 
 func (x *VolumeListResponse) GetTopologyInfo() *TopologyInfo {
@@ -2113,7 +2239,7 @@ type LookupEcVolumeRequest struct {
 func (x *LookupEcVolumeRequest) Reset() {
 	*x = LookupEcVolumeRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[29]
+		mi := &file_master_proto_msgTypes[31]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2126,7 +2252,7 @@ func (x *LookupEcVolumeRequest) String() string {
 func (*LookupEcVolumeRequest) ProtoMessage() {}
 
 func (x *LookupEcVolumeRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[29]
+	mi := &file_master_proto_msgTypes[31]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2139,7 +2265,7 @@ func (x *LookupEcVolumeRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LookupEcVolumeRequest.ProtoReflect.Descriptor instead.
 func (*LookupEcVolumeRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{29}
+	return file_master_proto_rawDescGZIP(), []int{31}
 }
 
 func (x *LookupEcVolumeRequest) GetVolumeId() uint32 {
@@ -2161,7 +2287,7 @@ type LookupEcVolumeResponse struct {
 func (x *LookupEcVolumeResponse) Reset() {
 	*x = LookupEcVolumeResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[30]
+		mi := &file_master_proto_msgTypes[32]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2174,7 +2300,7 @@ func (x *LookupEcVolumeResponse) String() string {
 func (*LookupEcVolumeResponse) ProtoMessage() {}
 
 func (x *LookupEcVolumeResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[30]
+	mi := &file_master_proto_msgTypes[32]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2187,7 +2313,7 @@ func (x *LookupEcVolumeResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LookupEcVolumeResponse.ProtoReflect.Descriptor instead.
 func (*LookupEcVolumeResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{30}
+	return file_master_proto_rawDescGZIP(), []int{32}
 }
 
 func (x *LookupEcVolumeResponse) GetVolumeId() uint32 {
@@ -2215,7 +2341,7 @@ type VacuumVolumeRequest struct {
 func (x *VacuumVolumeRequest) Reset() {
 	*x = VacuumVolumeRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[31]
+		mi := &file_master_proto_msgTypes[33]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2228,7 +2354,7 @@ func (x *VacuumVolumeRequest) String() string {
 func (*VacuumVolumeRequest) ProtoMessage() {}
 
 func (x *VacuumVolumeRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[31]
+	mi := &file_master_proto_msgTypes[33]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2241,7 +2367,7 @@ func (x *VacuumVolumeRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use VacuumVolumeRequest.ProtoReflect.Descriptor instead.
 func (*VacuumVolumeRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{31}
+	return file_master_proto_rawDescGZIP(), []int{33}
 }
 
 func (x *VacuumVolumeRequest) GetGarbageThreshold() float32 {
@@ -2260,7 +2386,7 @@ type VacuumVolumeResponse struct {
 func (x *VacuumVolumeResponse) Reset() {
 	*x = VacuumVolumeResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[32]
+		mi := &file_master_proto_msgTypes[34]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2273,7 +2399,7 @@ func (x *VacuumVolumeResponse) String() string {
 func (*VacuumVolumeResponse) ProtoMessage() {}
 
 func (x *VacuumVolumeResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[32]
+	mi := &file_master_proto_msgTypes[34]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2286,7 +2412,7 @@ func (x *VacuumVolumeResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use VacuumVolumeResponse.ProtoReflect.Descriptor instead.
 func (*VacuumVolumeResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{32}
+	return file_master_proto_rawDescGZIP(), []int{34}
 }
 
 type GetMasterConfigurationRequest struct {
@@ -2298,7 +2424,7 @@ type GetMasterConfigurationRequest struct {
 func (x *GetMasterConfigurationRequest) Reset() {
 	*x = GetMasterConfigurationRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[33]
+		mi := &file_master_proto_msgTypes[35]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2311,7 +2437,7 @@ func (x *GetMasterConfigurationRequest) String() string {
 func (*GetMasterConfigurationRequest) ProtoMessage() {}
 
 func (x *GetMasterConfigurationRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[33]
+	mi := &file_master_proto_msgTypes[35]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2324,7 +2450,7 @@ func (x *GetMasterConfigurationRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetMasterConfigurationRequest.ProtoReflect.Descriptor instead.
 func (*GetMasterConfigurationRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{33}
+	return file_master_proto_rawDescGZIP(), []int{35}
 }
 
 type GetMasterConfigurationResponse struct {
@@ -2344,7 +2470,7 @@ type GetMasterConfigurationResponse struct {
 func (x *GetMasterConfigurationResponse) Reset() {
 	*x = GetMasterConfigurationResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[34]
+		mi := &file_master_proto_msgTypes[36]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2357,7 +2483,7 @@ func (x *GetMasterConfigurationResponse) String() string {
 func (*GetMasterConfigurationResponse) ProtoMessage() {}
 
 func (x *GetMasterConfigurationResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[34]
+	mi := &file_master_proto_msgTypes[36]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2370,7 +2496,7 @@ func (x *GetMasterConfigurationResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetMasterConfigurationResponse.ProtoReflect.Descriptor instead.
 func (*GetMasterConfigurationResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{34}
+	return file_master_proto_rawDescGZIP(), []int{36}
 }
 
 func (x *GetMasterConfigurationResponse) GetMetricsAddress() string {
@@ -2433,7 +2559,7 @@ type ListClusterNodesRequest struct {
 func (x *ListClusterNodesRequest) Reset() {
 	*x = ListClusterNodesRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[35]
+		mi := &file_master_proto_msgTypes[37]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2446,7 +2572,7 @@ func (x *ListClusterNodesRequest) String() string {
 func (*ListClusterNodesRequest) ProtoMessage() {}
 
 func (x *ListClusterNodesRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[35]
+	mi := &file_master_proto_msgTypes[37]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2459,7 +2585,7 @@ func (x *ListClusterNodesRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ListClusterNodesRequest.ProtoReflect.Descriptor instead.
 func (*ListClusterNodesRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{35}
+	return file_master_proto_rawDescGZIP(), []int{37}
 }
 
 func (x *ListClusterNodesRequest) GetClientType() string {
@@ -2480,7 +2606,7 @@ type ListClusterNodesResponse struct {
 func (x *ListClusterNodesResponse) Reset() {
 	*x = ListClusterNodesResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[36]
+		mi := &file_master_proto_msgTypes[38]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2493,7 +2619,7 @@ func (x *ListClusterNodesResponse) String() string {
 func (*ListClusterNodesResponse) ProtoMessage() {}
 
 func (x *ListClusterNodesResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[36]
+	mi := &file_master_proto_msgTypes[38]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2506,7 +2632,7 @@ func (x *ListClusterNodesResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ListClusterNodesResponse.ProtoReflect.Descriptor instead.
 func (*ListClusterNodesResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{36}
+	return file_master_proto_rawDescGZIP(), []int{38}
 }
 
 func (x *ListClusterNodesResponse) GetClusterNodes() []*ListClusterNodesResponse_ClusterNode {
@@ -2530,7 +2656,7 @@ type LeaseAdminTokenRequest struct {
 func (x *LeaseAdminTokenRequest) Reset() {
 	*x = LeaseAdminTokenRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[37]
+		mi := &file_master_proto_msgTypes[39]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2543,7 +2669,7 @@ func (x *LeaseAdminTokenRequest) String() string {
 func (*LeaseAdminTokenRequest) ProtoMessage() {}
 
 func (x *LeaseAdminTokenRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[37]
+	mi := &file_master_proto_msgTypes[39]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2556,7 +2682,7 @@ func (x *LeaseAdminTokenRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LeaseAdminTokenRequest.ProtoReflect.Descriptor instead.
 func (*LeaseAdminTokenRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{37}
+	return file_master_proto_rawDescGZIP(), []int{39}
 }
 
 func (x *LeaseAdminTokenRequest) GetPreviousToken() int64 {
@@ -2599,7 +2725,7 @@ type LeaseAdminTokenResponse struct {
 func (x *LeaseAdminTokenResponse) Reset() {
 	*x = LeaseAdminTokenResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[38]
+		mi := &file_master_proto_msgTypes[40]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2612,7 +2738,7 @@ func (x *LeaseAdminTokenResponse) String() string {
 func (*LeaseAdminTokenResponse) ProtoMessage() {}
 
 func (x *LeaseAdminTokenResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[38]
+	mi := &file_master_proto_msgTypes[40]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2625,7 +2751,7 @@ func (x *LeaseAdminTokenResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LeaseAdminTokenResponse.ProtoReflect.Descriptor instead.
 func (*LeaseAdminTokenResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{38}
+	return file_master_proto_rawDescGZIP(), []int{40}
 }
 
 func (x *LeaseAdminTokenResponse) GetToken() int64 {
@@ -2655,7 +2781,7 @@ type ReleaseAdminTokenRequest struct {
 func (x *ReleaseAdminTokenRequest) Reset() {
 	*x = ReleaseAdminTokenRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[39]
+		mi := &file_master_proto_msgTypes[41]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2668,7 +2794,7 @@ func (x *ReleaseAdminTokenRequest) String() string {
 func (*ReleaseAdminTokenRequest) ProtoMessage() {}
 
 func (x *ReleaseAdminTokenRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[39]
+	mi := &file_master_proto_msgTypes[41]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2681,7 +2807,7 @@ func (x *ReleaseAdminTokenRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ReleaseAdminTokenRequest.ProtoReflect.Descriptor instead.
 func (*ReleaseAdminTokenRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{39}
+	return file_master_proto_rawDescGZIP(), []int{41}
 }
 
 func (x *ReleaseAdminTokenRequest) GetPreviousToken() int64 {
@@ -2714,7 +2840,7 @@ type ReleaseAdminTokenResponse struct {
 func (x *ReleaseAdminTokenResponse) Reset() {
 	*x = ReleaseAdminTokenResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[40]
+		mi := &file_master_proto_msgTypes[42]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2727,7 +2853,7 @@ func (x *ReleaseAdminTokenResponse) String() string {
 func (*ReleaseAdminTokenResponse) ProtoMessage() {}
 
 func (x *ReleaseAdminTokenResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[40]
+	mi := &file_master_proto_msgTypes[42]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2740,7 +2866,7 @@ func (x *ReleaseAdminTokenResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ReleaseAdminTokenResponse.ProtoReflect.Descriptor instead.
 func (*ReleaseAdminTokenResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{40}
+	return file_master_proto_rawDescGZIP(), []int{42}
 }
 
 type SuperBlockExtra_ErasureCoding struct {
@@ -2756,7 +2882,7 @@ type SuperBlockExtra_ErasureCoding struct {
 func (x *SuperBlockExtra_ErasureCoding) Reset() {
 	*x = SuperBlockExtra_ErasureCoding{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[43]
+		mi := &file_master_proto_msgTypes[45]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2769,7 +2895,7 @@ func (x *SuperBlockExtra_ErasureCoding) String() string {
 func (*SuperBlockExtra_ErasureCoding) ProtoMessage() {}
 
 func (x *SuperBlockExtra_ErasureCoding) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[43]
+	mi := &file_master_proto_msgTypes[45]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2820,7 +2946,7 @@ type LookupVolumeResponse_VolumeIdLocation struct {
 func (x *LookupVolumeResponse_VolumeIdLocation) Reset() {
 	*x = LookupVolumeResponse_VolumeIdLocation{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[44]
+		mi := &file_master_proto_msgTypes[46]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2833,7 +2959,7 @@ func (x *LookupVolumeResponse_VolumeIdLocation) String() string {
 func (*LookupVolumeResponse_VolumeIdLocation) ProtoMessage() {}
 
 func (x *LookupVolumeResponse_VolumeIdLocation) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[44]
+	mi := &file_master_proto_msgTypes[46]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2846,7 +2972,7 @@ func (x *LookupVolumeResponse_VolumeIdLocation) ProtoReflect() protoreflect.Mess
 
 // Deprecated: Use LookupVolumeResponse_VolumeIdLocation.ProtoReflect.Descriptor instead.
 func (*LookupVolumeResponse_VolumeIdLocation) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{11, 0}
+	return file_master_proto_rawDescGZIP(), []int{13, 0}
 }
 
 func (x *LookupVolumeResponse_VolumeIdLocation) GetVolumeOrFileId() string {
@@ -2889,7 +3015,7 @@ type LookupEcVolumeResponse_EcShardIdLocation struct {
 func (x *LookupEcVolumeResponse_EcShardIdLocation) Reset() {
 	*x = LookupEcVolumeResponse_EcShardIdLocation{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[49]
+		mi := &file_master_proto_msgTypes[51]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2902,7 +3028,7 @@ func (x *LookupEcVolumeResponse_EcShardIdLocation) String() string {
 func (*LookupEcVolumeResponse_EcShardIdLocation) ProtoMessage() {}
 
 func (x *LookupEcVolumeResponse_EcShardIdLocation) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[49]
+	mi := &file_master_proto_msgTypes[51]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2915,7 +3041,7 @@ func (x *LookupEcVolumeResponse_EcShardIdLocation) ProtoReflect() protoreflect.M
 
 // Deprecated: Use LookupEcVolumeResponse_EcShardIdLocation.ProtoReflect.Descriptor instead.
 func (*LookupEcVolumeResponse_EcShardIdLocation) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{30, 0}
+	return file_master_proto_rawDescGZIP(), []int{32, 0}
 }
 
 func (x *LookupEcVolumeResponse_EcShardIdLocation) GetShardId() uint32 {
@@ -2944,7 +3070,7 @@ type ListClusterNodesResponse_ClusterNode struct {
 func (x *ListClusterNodesResponse_ClusterNode) Reset() {
 	*x = ListClusterNodesResponse_ClusterNode{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[50]
+		mi := &file_master_proto_msgTypes[52]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2957,7 +3083,7 @@ func (x *ListClusterNodesResponse_ClusterNode) String() string {
 func (*ListClusterNodesResponse_ClusterNode) ProtoMessage() {}
 
 func (x *ListClusterNodesResponse_ClusterNode) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[50]
+	mi := &file_master_proto_msgTypes[52]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2970,7 +3096,7 @@ func (x *ListClusterNodesResponse_ClusterNode) ProtoReflect() protoreflect.Messa
 
 // Deprecated: Use ListClusterNodesResponse_ClusterNode.ProtoReflect.Descriptor instead.
 func (*ListClusterNodesResponse_ClusterNode) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{36, 0}
+	return file_master_proto_rawDescGZIP(), []int{38, 0}
 }
 
 func (x *ListClusterNodesResponse_ClusterNode) GetAddress() string {
@@ -3166,373 +3292,392 @@ var file_master_proto_rawDesc = []byte{
 	0x1f, 0x0a, 0x0b, 0x64, 0x61, 0x74, 0x61, 0x5f, 0x63, 0x65, 0x6e, 0x74, 0x65, 0x72, 0x18, 0x06,
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 }
 
 var (
@@ -3547,7 +3692,7 @@ func file_master_proto_rawDescGZIP() []byte {
 	return file_master_proto_rawDescData
 }
 
-var file_master_proto_msgTypes = make([]protoimpl.MessageInfo, 51)
+var file_master_proto_msgTypes = make([]protoimpl.MessageInfo, 53)
 var file_master_proto_goTypes = []interface{}{
 	(*Heartbeat)(nil),                             // 0: master_pb.Heartbeat
 	(*HeartbeatResponse)(nil),                     // 1: master_pb.HeartbeatResponse
@@ -3559,47 +3704,49 @@ var file_master_proto_goTypes = []interface{}{
 	(*SuperBlockExtra)(nil),                       // 7: master_pb.SuperBlockExtra
 	(*KeepConnectedRequest)(nil),                  // 8: master_pb.KeepConnectedRequest
 	(*VolumeLocation)(nil),                        // 9: master_pb.VolumeLocation
-	(*LookupVolumeRequest)(nil),                   // 10: master_pb.LookupVolumeRequest
-	(*LookupVolumeResponse)(nil),                  // 11: master_pb.LookupVolumeResponse
-	(*Location)(nil),                              // 12: master_pb.Location
-	(*AssignRequest)(nil),                         // 13: master_pb.AssignRequest
-	(*AssignResponse)(nil),                        // 14: master_pb.AssignResponse
-	(*StatisticsRequest)(nil),                     // 15: master_pb.StatisticsRequest
-	(*StatisticsResponse)(nil),                    // 16: master_pb.StatisticsResponse
-	(*Collection)(nil),                            // 17: master_pb.Collection
-	(*CollectionListRequest)(nil),                 // 18: master_pb.CollectionListRequest
-	(*CollectionListResponse)(nil),                // 19: master_pb.CollectionListResponse
-	(*CollectionDeleteRequest)(nil),               // 20: master_pb.CollectionDeleteRequest
-	(*CollectionDeleteResponse)(nil),              // 21: master_pb.CollectionDeleteResponse
-	(*DiskInfo)(nil),                              // 22: master_pb.DiskInfo
-	(*DataNodeInfo)(nil),                          // 23: master_pb.DataNodeInfo
-	(*RackInfo)(nil),                              // 24: master_pb.RackInfo
-	(*DataCenterInfo)(nil),                        // 25: master_pb.DataCenterInfo
-	(*TopologyInfo)(nil),                          // 26: master_pb.TopologyInfo
-	(*VolumeListRequest)(nil),                     // 27: master_pb.VolumeListRequest
-	(*VolumeListResponse)(nil),                    // 28: master_pb.VolumeListResponse
-	(*LookupEcVolumeRequest)(nil),                 // 29: master_pb.LookupEcVolumeRequest
-	(*LookupEcVolumeResponse)(nil),                // 30: master_pb.LookupEcVolumeResponse
-	(*VacuumVolumeRequest)(nil),                   // 31: master_pb.VacuumVolumeRequest
-	(*VacuumVolumeResponse)(nil),                  // 32: master_pb.VacuumVolumeResponse
-	(*GetMasterConfigurationRequest)(nil),         // 33: master_pb.GetMasterConfigurationRequest
-	(*GetMasterConfigurationResponse)(nil),        // 34: master_pb.GetMasterConfigurationResponse
-	(*ListClusterNodesRequest)(nil),               // 35: master_pb.ListClusterNodesRequest
-	(*ListClusterNodesResponse)(nil),              // 36: master_pb.ListClusterNodesResponse
-	(*LeaseAdminTokenRequest)(nil),                // 37: master_pb.LeaseAdminTokenRequest
-	(*LeaseAdminTokenResponse)(nil),               // 38: master_pb.LeaseAdminTokenResponse
-	(*ReleaseAdminTokenRequest)(nil),              // 39: master_pb.ReleaseAdminTokenRequest
-	(*ReleaseAdminTokenResponse)(nil),             // 40: master_pb.ReleaseAdminTokenResponse
-	nil,                                           // 41: master_pb.Heartbeat.MaxVolumeCountsEntry
-	nil,                                           // 42: master_pb.StorageBackend.PropertiesEntry
-	(*SuperBlockExtra_ErasureCoding)(nil),         // 43: master_pb.SuperBlockExtra.ErasureCoding
-	(*LookupVolumeResponse_VolumeIdLocation)(nil), // 44: master_pb.LookupVolumeResponse.VolumeIdLocation
-	nil, // 45: master_pb.DataNodeInfo.DiskInfosEntry
-	nil, // 46: master_pb.RackInfo.DiskInfosEntry
-	nil, // 47: master_pb.DataCenterInfo.DiskInfosEntry
-	nil, // 48: master_pb.TopologyInfo.DiskInfosEntry
-	(*LookupEcVolumeResponse_EcShardIdLocation)(nil), // 49: master_pb.LookupEcVolumeResponse.EcShardIdLocation
-	(*ListClusterNodesResponse_ClusterNode)(nil),     // 50: master_pb.ListClusterNodesResponse.ClusterNode
+	(*ClusterNodeUpdate)(nil),                     // 10: master_pb.ClusterNodeUpdate
+	(*KeepConnectedResponse)(nil),                 // 11: master_pb.KeepConnectedResponse
+	(*LookupVolumeRequest)(nil),                   // 12: master_pb.LookupVolumeRequest
+	(*LookupVolumeResponse)(nil),                  // 13: master_pb.LookupVolumeResponse
+	(*Location)(nil),                              // 14: master_pb.Location
+	(*AssignRequest)(nil),                         // 15: master_pb.AssignRequest
+	(*AssignResponse)(nil),                        // 16: master_pb.AssignResponse
+	(*StatisticsRequest)(nil),                     // 17: master_pb.StatisticsRequest
+	(*StatisticsResponse)(nil),                    // 18: master_pb.StatisticsResponse
+	(*Collection)(nil),                            // 19: master_pb.Collection
+	(*CollectionListRequest)(nil),                 // 20: master_pb.CollectionListRequest
+	(*CollectionListResponse)(nil),                // 21: master_pb.CollectionListResponse
+	(*CollectionDeleteRequest)(nil),               // 22: master_pb.CollectionDeleteRequest
+	(*CollectionDeleteResponse)(nil),              // 23: master_pb.CollectionDeleteResponse
+	(*DiskInfo)(nil),                              // 24: master_pb.DiskInfo
+	(*DataNodeInfo)(nil),                          // 25: master_pb.DataNodeInfo
+	(*RackInfo)(nil),                              // 26: master_pb.RackInfo
+	(*DataCenterInfo)(nil),                        // 27: master_pb.DataCenterInfo
+	(*TopologyInfo)(nil),                          // 28: master_pb.TopologyInfo
+	(*VolumeListRequest)(nil),                     // 29: master_pb.VolumeListRequest
+	(*VolumeListResponse)(nil),                    // 30: master_pb.VolumeListResponse
+	(*LookupEcVolumeRequest)(nil),                 // 31: master_pb.LookupEcVolumeRequest
+	(*LookupEcVolumeResponse)(nil),                // 32: master_pb.LookupEcVolumeResponse
+	(*VacuumVolumeRequest)(nil),                   // 33: master_pb.VacuumVolumeRequest
+	(*VacuumVolumeResponse)(nil),                  // 34: master_pb.VacuumVolumeResponse
+	(*GetMasterConfigurationRequest)(nil),         // 35: master_pb.GetMasterConfigurationRequest
+	(*GetMasterConfigurationResponse)(nil),        // 36: master_pb.GetMasterConfigurationResponse
+	(*ListClusterNodesRequest)(nil),               // 37: master_pb.ListClusterNodesRequest
+	(*ListClusterNodesResponse)(nil),              // 38: master_pb.ListClusterNodesResponse
+	(*LeaseAdminTokenRequest)(nil),                // 39: master_pb.LeaseAdminTokenRequest
+	(*LeaseAdminTokenResponse)(nil),               // 40: master_pb.LeaseAdminTokenResponse
+	(*ReleaseAdminTokenRequest)(nil),              // 41: master_pb.ReleaseAdminTokenRequest
+	(*ReleaseAdminTokenResponse)(nil),             // 42: master_pb.ReleaseAdminTokenResponse
+	nil,                                           // 43: master_pb.Heartbeat.MaxVolumeCountsEntry
+	nil,                                           // 44: master_pb.StorageBackend.PropertiesEntry
+	(*SuperBlockExtra_ErasureCoding)(nil),         // 45: master_pb.SuperBlockExtra.ErasureCoding
+	(*LookupVolumeResponse_VolumeIdLocation)(nil), // 46: master_pb.LookupVolumeResponse.VolumeIdLocation
+	nil, // 47: master_pb.DataNodeInfo.DiskInfosEntry
+	nil, // 48: master_pb.RackInfo.DiskInfosEntry
+	nil, // 49: master_pb.DataCenterInfo.DiskInfosEntry
+	nil, // 50: master_pb.TopologyInfo.DiskInfosEntry
+	(*LookupEcVolumeResponse_EcShardIdLocation)(nil), // 51: master_pb.LookupEcVolumeResponse.EcShardIdLocation
+	(*ListClusterNodesResponse_ClusterNode)(nil),     // 52: master_pb.ListClusterNodesResponse.ClusterNode
 }
 var file_master_proto_depIdxs = []int32{
 	2,  // 0: master_pb.Heartbeat.volumes:type_name -> master_pb.VolumeInformationMessage
@@ -3608,66 +3755,68 @@ var file_master_proto_depIdxs = []int32{
 	4,  // 3: master_pb.Heartbeat.ec_shards:type_name -> master_pb.VolumeEcShardInformationMessage
 	4,  // 4: master_pb.Heartbeat.new_ec_shards:type_name -> master_pb.VolumeEcShardInformationMessage
 	4,  // 5: master_pb.Heartbeat.deleted_ec_shards:type_name -> master_pb.VolumeEcShardInformationMessage
-	41, // 6: master_pb.Heartbeat.max_volume_counts:type_name -> master_pb.Heartbeat.MaxVolumeCountsEntry
+	43, // 6: master_pb.Heartbeat.max_volume_counts:type_name -> master_pb.Heartbeat.MaxVolumeCountsEntry
 	5,  // 7: master_pb.HeartbeatResponse.storage_backends:type_name -> master_pb.StorageBackend
-	42, // 8: master_pb.StorageBackend.properties:type_name -> master_pb.StorageBackend.PropertiesEntry
-	43, // 9: master_pb.SuperBlockExtra.erasure_coding:type_name -> master_pb.SuperBlockExtra.ErasureCoding
-	44, // 10: master_pb.LookupVolumeResponse.volume_id_locations:type_name -> master_pb.LookupVolumeResponse.VolumeIdLocation
-	12, // 11: master_pb.AssignResponse.replicas:type_name -> master_pb.Location
-	12, // 12: master_pb.AssignResponse.location:type_name -> master_pb.Location
-	17, // 13: master_pb.CollectionListResponse.collections:type_name -> master_pb.Collection
-	2,  // 14: master_pb.DiskInfo.volume_infos:type_name -> master_pb.VolumeInformationMessage
-	4,  // 15: master_pb.DiskInfo.ec_shard_infos:type_name -> master_pb.VolumeEcShardInformationMessage
-	45, // 16: master_pb.DataNodeInfo.diskInfos:type_name -> master_pb.DataNodeInfo.DiskInfosEntry
-	23, // 17: master_pb.RackInfo.data_node_infos:type_name -> master_pb.DataNodeInfo
-	46, // 18: master_pb.RackInfo.diskInfos:type_name -> master_pb.RackInfo.DiskInfosEntry
-	24, // 19: master_pb.DataCenterInfo.rack_infos:type_name -> master_pb.RackInfo
-	47, // 20: master_pb.DataCenterInfo.diskInfos:type_name -> master_pb.DataCenterInfo.DiskInfosEntry
-	25, // 21: master_pb.TopologyInfo.data_center_infos:type_name -> master_pb.DataCenterInfo
-	48, // 22: master_pb.TopologyInfo.diskInfos:type_name -> master_pb.TopologyInfo.DiskInfosEntry
-	26, // 23: master_pb.VolumeListResponse.topology_info:type_name -> master_pb.TopologyInfo
-	49, // 24: master_pb.LookupEcVolumeResponse.shard_id_locations:type_name -> master_pb.LookupEcVolumeResponse.EcShardIdLocation
-	5,  // 25: master_pb.GetMasterConfigurationResponse.storage_backends:type_name -> master_pb.StorageBackend
-	50, // 26: master_pb.ListClusterNodesResponse.cluster_nodes:type_name -> master_pb.ListClusterNodesResponse.ClusterNode
-	12, // 27: master_pb.LookupVolumeResponse.VolumeIdLocation.locations:type_name -> master_pb.Location
-	22, // 28: master_pb.DataNodeInfo.DiskInfosEntry.value:type_name -> master_pb.DiskInfo
-	22, // 29: master_pb.RackInfo.DiskInfosEntry.value:type_name -> master_pb.DiskInfo
-	22, // 30: master_pb.DataCenterInfo.DiskInfosEntry.value:type_name -> master_pb.DiskInfo
-	22, // 31: master_pb.TopologyInfo.DiskInfosEntry.value:type_name -> master_pb.DiskInfo
-	12, // 32: master_pb.LookupEcVolumeResponse.EcShardIdLocation.locations:type_name -> master_pb.Location
-	0,  // 33: master_pb.Seaweed.SendHeartbeat:input_type -> master_pb.Heartbeat
-	8,  // 34: master_pb.Seaweed.KeepConnected:input_type -> master_pb.KeepConnectedRequest
-	10, // 35: master_pb.Seaweed.LookupVolume:input_type -> master_pb.LookupVolumeRequest
-	13, // 36: master_pb.Seaweed.Assign:input_type -> master_pb.AssignRequest
-	15, // 37: master_pb.Seaweed.Statistics:input_type -> master_pb.StatisticsRequest
-	18, // 38: master_pb.Seaweed.CollectionList:input_type -> master_pb.CollectionListRequest
-	20, // 39: master_pb.Seaweed.CollectionDelete:input_type -> master_pb.CollectionDeleteRequest
-	27, // 40: master_pb.Seaweed.VolumeList:input_type -> master_pb.VolumeListRequest
-	29, // 41: master_pb.Seaweed.LookupEcVolume:input_type -> master_pb.LookupEcVolumeRequest
-	31, // 42: master_pb.Seaweed.VacuumVolume:input_type -> master_pb.VacuumVolumeRequest
-	33, // 43: master_pb.Seaweed.GetMasterConfiguration:input_type -> master_pb.GetMasterConfigurationRequest
-	35, // 44: master_pb.Seaweed.ListClusterNodes:input_type -> master_pb.ListClusterNodesRequest
-	37, // 45: master_pb.Seaweed.LeaseAdminToken:input_type -> master_pb.LeaseAdminTokenRequest
-	39, // 46: master_pb.Seaweed.ReleaseAdminToken:input_type -> master_pb.ReleaseAdminTokenRequest
-	1,  // 47: master_pb.Seaweed.SendHeartbeat:output_type -> master_pb.HeartbeatResponse
-	9,  // 48: master_pb.Seaweed.KeepConnected:output_type -> master_pb.VolumeLocation
-	11, // 49: master_pb.Seaweed.LookupVolume:output_type -> master_pb.LookupVolumeResponse
-	14, // 50: master_pb.Seaweed.Assign:output_type -> master_pb.AssignResponse
-	16, // 51: master_pb.Seaweed.Statistics:output_type -> master_pb.StatisticsResponse
-	19, // 52: master_pb.Seaweed.CollectionList:output_type -> master_pb.CollectionListResponse
-	21, // 53: master_pb.Seaweed.CollectionDelete:output_type -> master_pb.CollectionDeleteResponse
-	28, // 54: master_pb.Seaweed.VolumeList:output_type -> master_pb.VolumeListResponse
-	30, // 55: master_pb.Seaweed.LookupEcVolume:output_type -> master_pb.LookupEcVolumeResponse
-	32, // 56: master_pb.Seaweed.VacuumVolume:output_type -> master_pb.VacuumVolumeResponse
-	34, // 57: master_pb.Seaweed.GetMasterConfiguration:output_type -> master_pb.GetMasterConfigurationResponse
-	36, // 58: master_pb.Seaweed.ListClusterNodes:output_type -> master_pb.ListClusterNodesResponse
-	38, // 59: master_pb.Seaweed.LeaseAdminToken:output_type -> master_pb.LeaseAdminTokenResponse
-	40, // 60: master_pb.Seaweed.ReleaseAdminToken:output_type -> master_pb.ReleaseAdminTokenResponse
-	47, // [47:61] is the sub-list for method output_type
-	33, // [33:47] is the sub-list for method input_type
-	33, // [33:33] is the sub-list for extension type_name
-	33, // [33:33] is the sub-list for extension extendee
-	0,  // [0:33] is the sub-list for field type_name
+	44, // 8: master_pb.StorageBackend.properties:type_name -> master_pb.StorageBackend.PropertiesEntry
+	45, // 9: master_pb.SuperBlockExtra.erasure_coding:type_name -> master_pb.SuperBlockExtra.ErasureCoding
+	9,  // 10: master_pb.KeepConnectedResponse.volume_location:type_name -> master_pb.VolumeLocation
+	10, // 11: master_pb.KeepConnectedResponse.cluster_node_update:type_name -> master_pb.ClusterNodeUpdate
+	46, // 12: master_pb.LookupVolumeResponse.volume_id_locations:type_name -> master_pb.LookupVolumeResponse.VolumeIdLocation
+	14, // 13: master_pb.AssignResponse.replicas:type_name -> master_pb.Location
+	14, // 14: master_pb.AssignResponse.location:type_name -> master_pb.Location
+	19, // 15: master_pb.CollectionListResponse.collections:type_name -> master_pb.Collection
+	2,  // 16: master_pb.DiskInfo.volume_infos:type_name -> master_pb.VolumeInformationMessage
+	4,  // 17: master_pb.DiskInfo.ec_shard_infos:type_name -> master_pb.VolumeEcShardInformationMessage
+	47, // 18: master_pb.DataNodeInfo.diskInfos:type_name -> master_pb.DataNodeInfo.DiskInfosEntry
+	25, // 19: master_pb.RackInfo.data_node_infos:type_name -> master_pb.DataNodeInfo
+	48, // 20: master_pb.RackInfo.diskInfos:type_name -> master_pb.RackInfo.DiskInfosEntry
+	26, // 21: master_pb.DataCenterInfo.rack_infos:type_name -> master_pb.RackInfo
+	49, // 22: master_pb.DataCenterInfo.diskInfos:type_name -> master_pb.DataCenterInfo.DiskInfosEntry
+	27, // 23: master_pb.TopologyInfo.data_center_infos:type_name -> master_pb.DataCenterInfo
+	50, // 24: master_pb.TopologyInfo.diskInfos:type_name -> master_pb.TopologyInfo.DiskInfosEntry
+	28, // 25: master_pb.VolumeListResponse.topology_info:type_name -> master_pb.TopologyInfo
+	51, // 26: master_pb.LookupEcVolumeResponse.shard_id_locations:type_name -> master_pb.LookupEcVolumeResponse.EcShardIdLocation
+	5,  // 27: master_pb.GetMasterConfigurationResponse.storage_backends:type_name -> master_pb.StorageBackend
+	52, // 28: master_pb.ListClusterNodesResponse.cluster_nodes:type_name -> master_pb.ListClusterNodesResponse.ClusterNode
+	14, // 29: master_pb.LookupVolumeResponse.VolumeIdLocation.locations:type_name -> master_pb.Location
+	24, // 30: master_pb.DataNodeInfo.DiskInfosEntry.value:type_name -> master_pb.DiskInfo
+	24, // 31: master_pb.RackInfo.DiskInfosEntry.value:type_name -> master_pb.DiskInfo
+	24, // 32: master_pb.DataCenterInfo.DiskInfosEntry.value:type_name -> master_pb.DiskInfo
+	24, // 33: master_pb.TopologyInfo.DiskInfosEntry.value:type_name -> master_pb.DiskInfo
+	14, // 34: master_pb.LookupEcVolumeResponse.EcShardIdLocation.locations:type_name -> master_pb.Location
+	0,  // 35: master_pb.Seaweed.SendHeartbeat:input_type -> master_pb.Heartbeat
+	8,  // 36: master_pb.Seaweed.KeepConnected:input_type -> master_pb.KeepConnectedRequest
+	12, // 37: master_pb.Seaweed.LookupVolume:input_type -> master_pb.LookupVolumeRequest
+	15, // 38: master_pb.Seaweed.Assign:input_type -> master_pb.AssignRequest
+	17, // 39: master_pb.Seaweed.Statistics:input_type -> master_pb.StatisticsRequest
+	20, // 40: master_pb.Seaweed.CollectionList:input_type -> master_pb.CollectionListRequest
+	22, // 41: master_pb.Seaweed.CollectionDelete:input_type -> master_pb.CollectionDeleteRequest
+	29, // 42: master_pb.Seaweed.VolumeList:input_type -> master_pb.VolumeListRequest
+	31, // 43: master_pb.Seaweed.LookupEcVolume:input_type -> master_pb.LookupEcVolumeRequest
+	33, // 44: master_pb.Seaweed.VacuumVolume:input_type -> master_pb.VacuumVolumeRequest
+	35, // 45: master_pb.Seaweed.GetMasterConfiguration:input_type -> master_pb.GetMasterConfigurationRequest
+	37, // 46: master_pb.Seaweed.ListClusterNodes:input_type -> master_pb.ListClusterNodesRequest
+	39, // 47: master_pb.Seaweed.LeaseAdminToken:input_type -> master_pb.LeaseAdminTokenRequest
+	41, // 48: master_pb.Seaweed.ReleaseAdminToken:input_type -> master_pb.ReleaseAdminTokenRequest
+	1,  // 49: master_pb.Seaweed.SendHeartbeat:output_type -> master_pb.HeartbeatResponse
+	11, // 50: master_pb.Seaweed.KeepConnected:output_type -> master_pb.KeepConnectedResponse
+	13, // 51: master_pb.Seaweed.LookupVolume:output_type -> master_pb.LookupVolumeResponse
+	16, // 52: master_pb.Seaweed.Assign:output_type -> master_pb.AssignResponse
+	18, // 53: master_pb.Seaweed.Statistics:output_type -> master_pb.StatisticsResponse
+	21, // 54: master_pb.Seaweed.CollectionList:output_type -> master_pb.CollectionListResponse
+	23, // 55: master_pb.Seaweed.CollectionDelete:output_type -> master_pb.CollectionDeleteResponse
+	30, // 56: master_pb.Seaweed.VolumeList:output_type -> master_pb.VolumeListResponse
+	32, // 57: master_pb.Seaweed.LookupEcVolume:output_type -> master_pb.LookupEcVolumeResponse
+	34, // 58: master_pb.Seaweed.VacuumVolume:output_type -> master_pb.VacuumVolumeResponse
+	36, // 59: master_pb.Seaweed.GetMasterConfiguration:output_type -> master_pb.GetMasterConfigurationResponse
+	38, // 60: master_pb.Seaweed.ListClusterNodes:output_type -> master_pb.ListClusterNodesResponse
+	40, // 61: master_pb.Seaweed.LeaseAdminToken:output_type -> master_pb.LeaseAdminTokenResponse
+	42, // 62: master_pb.Seaweed.ReleaseAdminToken:output_type -> master_pb.ReleaseAdminTokenResponse
+	49, // [49:63] is the sub-list for method output_type
+	35, // [35:49] is the sub-list for method input_type
+	35, // [35:35] is the sub-list for extension type_name
+	35, // [35:35] is the sub-list for extension extendee
+	0,  // [0:35] is the sub-list for field type_name
 }
 
 func init() { file_master_proto_init() }
@@ -3797,7 +3946,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LookupVolumeRequest); i {
+			switch v := v.(*ClusterNodeUpdate); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3809,7 +3958,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LookupVolumeResponse); i {
+			switch v := v.(*KeepConnectedResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3821,7 +3970,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Location); i {
+			switch v := v.(*LookupVolumeRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3833,7 +3982,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AssignRequest); i {
+			switch v := v.(*LookupVolumeResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3845,7 +3994,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*AssignResponse); i {
+			switch v := v.(*Location); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3857,7 +4006,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*StatisticsRequest); i {
+			switch v := v.(*AssignRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3869,7 +4018,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[16].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*StatisticsResponse); i {
+			switch v := v.(*AssignResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3881,7 +4030,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Collection); i {
+			switch v := v.(*StatisticsRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3893,7 +4042,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CollectionListRequest); i {
+			switch v := v.(*StatisticsResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3905,7 +4054,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[19].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CollectionListResponse); i {
+			switch v := v.(*Collection); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3917,7 +4066,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[20].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CollectionDeleteRequest); i {
+			switch v := v.(*CollectionListRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3929,7 +4078,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[21].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*CollectionDeleteResponse); i {
+			switch v := v.(*CollectionListResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3941,7 +4090,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[22].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*DiskInfo); i {
+			switch v := v.(*CollectionDeleteRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3953,7 +4102,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[23].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*DataNodeInfo); i {
+			switch v := v.(*CollectionDeleteResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3965,7 +4114,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[24].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*RackInfo); i {
+			switch v := v.(*DiskInfo); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3977,7 +4126,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[25].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*DataCenterInfo); i {
+			switch v := v.(*DataNodeInfo); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -3989,7 +4138,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[26].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*TopologyInfo); i {
+			switch v := v.(*RackInfo); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -4001,7 +4150,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[27].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*VolumeListRequest); i {
+			switch v := v.(*DataCenterInfo); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -4013,7 +4162,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[28].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*VolumeListResponse); i {
+			switch v := v.(*TopologyInfo); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -4025,7 +4174,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[29].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LookupEcVolumeRequest); i {
+			switch v := v.(*VolumeListRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -4037,7 +4186,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[30].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LookupEcVolumeResponse); i {
+			switch v := v.(*VolumeListResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -4049,7 +4198,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[31].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*VacuumVolumeRequest); i {
+			switch v := v.(*LookupEcVolumeRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -4061,7 +4210,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[32].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*VacuumVolumeResponse); i {
+			switch v := v.(*LookupEcVolumeResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -4073,7 +4222,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[33].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetMasterConfigurationRequest); i {
+			switch v := v.(*VacuumVolumeRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -4085,7 +4234,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[34].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetMasterConfigurationResponse); i {
+			switch v := v.(*VacuumVolumeResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -4097,7 +4246,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[35].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ListClusterNodesRequest); i {
+			switch v := v.(*GetMasterConfigurationRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -4109,7 +4258,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[36].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ListClusterNodesResponse); i {
+			switch v := v.(*GetMasterConfigurationResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -4121,7 +4270,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[37].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LeaseAdminTokenRequest); i {
+			switch v := v.(*ListClusterNodesRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -4133,7 +4282,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[38].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*LeaseAdminTokenResponse); i {
+			switch v := v.(*ListClusterNodesResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -4145,7 +4294,7 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[39].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ReleaseAdminTokenRequest); i {
+			switch v := v.(*LeaseAdminTokenRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -4157,6 +4306,30 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[40].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*LeaseAdminTokenResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_master_proto_msgTypes[41].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ReleaseAdminTokenRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_master_proto_msgTypes[42].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ReleaseAdminTokenResponse); i {
 			case 0:
 				return &v.state
@@ -4168,7 +4341,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[43].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[45].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SuperBlockExtra_ErasureCoding); i {
 			case 0:
 				return &v.state
@@ -4180,7 +4353,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[44].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[46].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*LookupVolumeResponse_VolumeIdLocation); i {
 			case 0:
 				return &v.state
@@ -4192,7 +4365,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[49].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[51].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*LookupEcVolumeResponse_EcShardIdLocation); i {
 			case 0:
 				return &v.state
@@ -4204,7 +4377,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[50].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[52].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ListClusterNodesResponse_ClusterNode); i {
 			case 0:
 				return &v.state
@@ -4223,7 +4396,7 @@ func file_master_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_master_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   51,
+			NumMessages:   53,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
@@ -4315,7 +4488,7 @@ func (c *seaweedClient) KeepConnected(ctx context.Context, opts ...grpc.CallOpti
 
 type Seaweed_KeepConnectedClient interface {
 	Send(*KeepConnectedRequest) error
-	Recv() (*VolumeLocation, error)
+	Recv() (*KeepConnectedResponse, error)
 	grpc.ClientStream
 }
 
@@ -4327,8 +4500,8 @@ func (x *seaweedKeepConnectedClient) Send(m *KeepConnectedRequest) error {
 	return x.ClientStream.SendMsg(m)
 }
 
-func (x *seaweedKeepConnectedClient) Recv() (*VolumeLocation, error) {
-	m := new(VolumeLocation)
+func (x *seaweedKeepConnectedClient) Recv() (*KeepConnectedResponse, error) {
+	m := new(KeepConnectedResponse)
 	if err := x.ClientStream.RecvMsg(m); err != nil {
 		return nil, err
 	}
@@ -4543,7 +4716,7 @@ func _Seaweed_KeepConnected_Handler(srv interface{}, stream grpc.ServerStream) e
 }
 
 type Seaweed_KeepConnectedServer interface {
-	Send(*VolumeLocation) error
+	Send(*KeepConnectedResponse) error
 	Recv() (*KeepConnectedRequest, error)
 	grpc.ServerStream
 }
@@ -4552,7 +4725,7 @@ type seaweedKeepConnectedServer struct {
 	grpc.ServerStream
 }
 
-func (x *seaweedKeepConnectedServer) Send(m *VolumeLocation) error {
+func (x *seaweedKeepConnectedServer) Send(m *KeepConnectedResponse) error {
 	return x.ServerStream.SendMsg(m)
 }
 
diff --git a/weed/server/master_grpc_server.go b/weed/server/master_grpc_server.go
index 53e28c5bf..1e4bbd8e4 100644
--- a/weed/server/master_grpc_server.go
+++ b/weed/server/master_grpc_server.go
@@ -203,7 +203,7 @@ func (ms *MasterServer) KeepConnected(stream master_pb.Seaweed_KeepConnectedServ
 	}()
 
 	for _, message := range ms.Topo.ToVolumeLocations() {
-		if sendErr := stream.Send(message); sendErr != nil {
+		if sendErr := stream.Send(&master_pb.KeepConnectedResponse{VolumeLocation: message}); sendErr != nil {
 			return sendErr
 		}
 	}
@@ -223,7 +223,7 @@ func (ms *MasterServer) KeepConnected(stream master_pb.Seaweed_KeepConnectedServ
 	for {
 		select {
 		case message := <-messageChan:
-			if err := stream.Send(message); err != nil {
+			if err := stream.Send(&master_pb.KeepConnectedResponse{VolumeLocation: message}); err != nil {
 				glog.V(0).Infof("=> client %v: %+v", clientName, message)
 				return err
 			}
@@ -244,8 +244,10 @@ func (ms *MasterServer) informNewLeader(stream master_pb.Seaweed_KeepConnectedSe
 		glog.Errorf("topo leader: %v", err)
 		return raft.NotLeaderError
 	}
-	if err := stream.Send(&master_pb.VolumeLocation{
-		Leader: string(leader),
+	if err := stream.Send(&master_pb.KeepConnectedResponse{
+		VolumeLocation: &master_pb.VolumeLocation{
+			Leader: string(leader),
+		},
 	}); err != nil {
 		return err
 	}
diff --git a/weed/wdclient/masterclient.go b/weed/wdclient/masterclient.go
index 8fd337272..6d8e2d06e 100644
--- a/weed/wdclient/masterclient.go
+++ b/weed/wdclient/masterclient.go
@@ -118,34 +118,37 @@ func (mc *MasterClient) tryConnectToMaster(master pb.ServerAddress) (nextHintedL
 		mc.currentMaster = master
 
 		for {
-			volumeLocation, err := stream.Recv()
+			resp, err := stream.Recv()
 			if err != nil {
 				glog.V(0).Infof("%s masterClient failed to receive from %s: %v", mc.clientType, master, err)
 				return err
 			}
 
-			// maybe the leader is changed
-			if volumeLocation.Leader != "" {
-				glog.V(0).Infof("redirected to leader %v", volumeLocation.Leader)
-				nextHintedLeader = pb.ServerAddress(volumeLocation.Leader)
-				return nil
+			if resp.VolumeLocation != nil {
+				// maybe the leader is changed
+				if resp.VolumeLocation.Leader != "" {
+					glog.V(0).Infof("redirected to leader %v", resp.VolumeLocation.Leader)
+					nextHintedLeader = pb.ServerAddress(resp.VolumeLocation.Leader)
+					return nil
+				}
+
+				// process new volume location
+				loc := Location{
+					Url:        resp.VolumeLocation.Url,
+					PublicUrl:  resp.VolumeLocation.PublicUrl,
+					DataCenter: resp.VolumeLocation.DataCenter,
+					GrpcPort:   int(resp.VolumeLocation.GrpcPort),
+				}
+				for _, newVid := range resp.VolumeLocation.NewVids {
+					glog.V(1).Infof("%s: %s masterClient adds volume %d", mc.clientType, loc.Url, newVid)
+					mc.addLocation(newVid, loc)
+				}
+				for _, deletedVid := range resp.VolumeLocation.DeletedVids {
+					glog.V(1).Infof("%s: %s masterClient removes volume %d", mc.clientType, loc.Url, deletedVid)
+					mc.deleteLocation(deletedVid, loc)
+				}
 			}
 
-			// process new volume location
-			loc := Location{
-				Url:        volumeLocation.Url,
-				PublicUrl:  volumeLocation.PublicUrl,
-				DataCenter: volumeLocation.DataCenter,
-				GrpcPort:   int(volumeLocation.GrpcPort),
-			}
-			for _, newVid := range volumeLocation.NewVids {
-				glog.V(1).Infof("%s: %s masterClient adds volume %d", mc.clientType, loc.Url, newVid)
-				mc.addLocation(newVid, loc)
-			}
-			for _, deletedVid := range volumeLocation.DeletedVids {
-				glog.V(1).Infof("%s: %s masterClient removes volume %d", mc.clientType, loc.Url, deletedVid)
-				mc.deleteLocation(deletedVid, loc)
-			}
 		}
 
 	})