4 files changed, 6 insertions, 1 deletions
diff --git a/weed/command/benchmark.go b/weed/command/benchmark.go
index 7091463cc..82821f579 100644
--- a/weed/command/benchmark.go
+++ b/weed/command/benchmark.go
@@ -129,7 +129,7 @@ func runBenchmark(cmd *Command, args []string) bool {
 		defer pprof.StopCPUProfile()
 	}
 
-	b.masterClient = wdclient.NewMasterClient(b.grpcDialOption, "client", "", "", pb.ServerAddresses(*b.masters).ToAddressMap())
+	b.masterClient = wdclient.NewMasterClient(b.grpcDialOption, "", "client", "", "", pb.ServerAddresses(*b.masters).ToAddressMap())
 	go b.masterClient.KeepConnectedToMaster()
 	b.masterClient.WaitUntilConnected()
 
diff --git a/weed/command/filer.go b/weed/command/filer.go
index 4dbc04a0c..0935feb76 100644
--- a/weed/command/filer.go
+++ b/weed/command/filer.go
@@ -37,6 +37,7 @@ type FilerOptions struct {
 	port                    *int
 	portGrpc                *int
 	publicPort              *int
+	filerGroup              *string
 	collection              *string
 	defaultReplicaPlacement *string
 	disableDirListing       *bool
@@ -59,6 +60,7 @@ type FilerOptions struct {
 func init() {
 	cmdFiler.Run = runFiler // break init cycle
 	f.mastersString = cmdFiler.Flag.String("master", "localhost:9333", "comma-separated master servers")
+	f.filerGroup = cmdFiler.Flag.String("filerGroup", "", "share metadata with other filers in the same filerGroup")
 	f.collection = cmdFiler.Flag.String("collection", "", "all data will be stored in this default collection")
 	f.ip = cmdFiler.Flag.String("ip", util.DetectedHostAddress(), "filer server http listen ip address")
 	f.bindIp = cmdFiler.Flag.String("ip.bind", "", "ip address to bind to. If empty, default to same as -ip option.")
@@ -201,6 +203,7 @@ func (fo *FilerOptions) startFiler() {
 
 	fs, nfs_err := weed_server.NewFilerServer(defaultMux, publicVolumeMux, &weed_server.FilerOption{
 		Masters:               fo.masters,
+		FilerGroup:            *fo.filerGroup,
 		Collection:            *fo.collection,
 		DefaultReplication:    *fo.defaultReplicaPlacement,
 		DisableDirListing:     *fo.disableDirListing,
diff --git a/weed/command/server.go b/weed/command/server.go
index e3aec67d1..d26376c1a 100644
--- a/weed/command/server.go
+++ b/weed/command/server.go
@@ -101,6 +101,7 @@ func init() {
 	masterOptions.heartbeatInterval = cmdServer.Flag.Duration("master.heartbeatInterval", 300*time.Millisecond, "heartbeat interval of master servers, and will be randomly multiplied by [1, 1.25)")
 	masterOptions.electionTimeout = cmdServer.Flag.Duration("master.electionTimeout", 10*time.Second, "election timeout of master servers")
 
+	filerOptions.filerGroup = cmdServer.Flag.String("filer.filerGroup", "", "share metadata with other filers in the same filerGroup")
 	filerOptions.collection = cmdServer.Flag.String("filer.collection", "", "all data will be stored in this collection")
 	filerOptions.port = cmdServer.Flag.Int("filer.port", 8888, "filer server http listen port")
 	filerOptions.portGrpc = cmdServer.Flag.Int("filer.port.grpc", 0, "filer server grpc listen port")
diff --git a/weed/command/shell.go b/weed/command/shell.go
index 3ba51aec1..c32a8e614 100644
--- a/weed/command/shell.go
+++ b/weed/command/shell.go
@@ -18,6 +18,7 @@ var (
 func init() {
 	cmdShell.Run = runShell // break init cycle
 	shellOptions.Masters = cmdShell.Flag.String("master", "", "comma-separated master servers, e.g. localhost:9333")
+	shellOptions.FilerGroup = cmdShell.Flag.String("filerGroup", "", "filerGroup for the filers")
 	shellInitialFiler = cmdShell.Flag.String("filer", "", "filer host and port, e.g. localhost:8888")
 	shellCluster = cmdShell.Flag.String("cluster", "", "cluster defined in shell.toml")
 }