diff --git a/weed/command/scaffold/replication.toml b/weed/command/scaffold/replication.toml
index cffe1b76f..b23a1ef46 100644
--- a/weed/command/scaffold/replication.toml
+++ b/weed/command/scaffold/replication.toml
@@ -68,6 +68,7 @@ is_incremental = false
 enabled = false
 b2_account_id = ""
 b2_master_application_key = ""
+b2_region = ""
 bucket = "mybucket"            # an existing bucket
 directory = "/"                # destination directory
 is_incremental = false
diff --git a/weed/pb/filer_pb/filer.pb.go b/weed/pb/filer_pb/filer.pb.go
index f7ec188b4..7e4a86d89 100644
--- a/weed/pb/filer_pb/filer.pb.go
+++ b/weed/pb/filer_pb/filer.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.21.4
+// 	protoc        v3.21.12
 // source: filer.proto
 
 package filer_pb
@@ -3239,9 +3239,9 @@ func (x *LocateBrokerResponse) GetResources() []*LocateBrokerResponse_Resource {
 	return nil
 }
 
-/////////////////////////
+// ///////////////////////
 // Key-Value operations
-/////////////////////////
+// ///////////////////////
 type KvGetRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -3446,9 +3446,9 @@ func (x *KvPutResponse) GetError() string {
 	return ""
 }
 
-/////////////////////////
+// ///////////////////////
 // path-based configurations
-/////////////////////////
+// ///////////////////////
 type FilerConf struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -3504,9 +3504,9 @@ func (x *FilerConf) GetLocations() []*FilerConf_PathConf {
 	return nil
 }
 
-/////////////////////////
+// ///////////////////////
 // Remote Storage related
-/////////////////////////
+// ///////////////////////
 type CacheRemoteObjectToLocalClusterRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
diff --git a/weed/pb/filer_pb/filer_grpc.pb.go b/weed/pb/filer_pb/filer_grpc.pb.go
index 270e13e6f..c056b7745 100644
--- a/weed/pb/filer_pb/filer_grpc.pb.go
+++ b/weed/pb/filer_pb/filer_grpc.pb.go
@@ -1,4 +1,8 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.21.12
+// source: filer.proto
 
 package filer_pb
 
diff --git a/weed/pb/iam_pb/iam.pb.go b/weed/pb/iam_pb/iam.pb.go
index 3954540bf..e94454e47 100644
--- a/weed/pb/iam_pb/iam.pb.go
+++ b/weed/pb/iam_pb/iam.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.21.4
+// 	protoc        v3.21.12
 // source: iam.proto
 
 package iam_pb
diff --git a/weed/pb/iam_pb/iam_grpc.pb.go b/weed/pb/iam_pb/iam_grpc.pb.go
index b9438a295..ea4e1bb41 100644
--- a/weed/pb/iam_pb/iam_grpc.pb.go
+++ b/weed/pb/iam_pb/iam_grpc.pb.go
@@ -1,4 +1,8 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.21.12
+// source: iam.proto
 
 package iam_pb
 
diff --git a/weed/pb/master_pb/master.pb.go b/weed/pb/master_pb/master.pb.go
index 27d1e6b1a..f15377a07 100644
--- a/weed/pb/master_pb/master.pb.go
+++ b/weed/pb/master_pb/master.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.21.4
+// 	protoc        v3.21.12
 // source: master.proto
 
 package master_pb
@@ -1611,9 +1611,7 @@ func (x *StatisticsResponse) GetFileCount() uint64 {
 	return 0
 }
 
-//
 // collection related
-//
 type Collection struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1848,9 +1846,7 @@ func (*CollectionDeleteResponse) Descriptor() ([]byte, []int) {
 	return file_master_proto_rawDescGZIP(), []int{23}
 }
 
-//
 // volume related
-//
 type DiskInfo struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
diff --git a/weed/pb/master_pb/master_grpc.pb.go b/weed/pb/master_pb/master_grpc.pb.go
index 299cb105a..1f9311fc0 100644
--- a/weed/pb/master_pb/master_grpc.pb.go
+++ b/weed/pb/master_pb/master_grpc.pb.go
@@ -1,4 +1,8 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.21.12
+// source: master.proto
 
 package master_pb
 
diff --git a/weed/pb/mount_pb/mount.pb.go b/weed/pb/mount_pb/mount.pb.go
index 49835b67d..0510381f3 100644
--- a/weed/pb/mount_pb/mount.pb.go
+++ b/weed/pb/mount_pb/mount.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.21.4
+// 	protoc        v3.21.12
 // source: mount.proto
 
 package mount_pb
diff --git a/weed/pb/mount_pb/mount_grpc.pb.go b/weed/pb/mount_pb/mount_grpc.pb.go
index 41737aa21..5bc2cc144 100644
--- a/weed/pb/mount_pb/mount_grpc.pb.go
+++ b/weed/pb/mount_pb/mount_grpc.pb.go
@@ -1,4 +1,8 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.21.12
+// source: mount.proto
 
 package mount_pb
 
diff --git a/weed/pb/mq_pb/mq.pb.go b/weed/pb/mq_pb/mq.pb.go
index 1640283de..1eb99574f 100644
--- a/weed/pb/mq_pb/mq.pb.go
+++ b/weed/pb/mq_pb/mq.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.21.4
+// 	protoc        v3.21.12
 // source: mq.proto
 
 package mq_pb
@@ -20,7 +20,7 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-//////////////////////////////////////////////////
+// ////////////////////////////////////////////////
 type SegmentInfo struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -617,7 +617,7 @@ func (x *CheckBrokerLoadResponse) GetBytesCount() int64 {
 	return 0
 }
 
-//////////////////////////////////////////////////
+// ////////////////////////////////////////////////
 type PublishRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
diff --git a/weed/pb/mq_pb/mq_grpc.pb.go b/weed/pb/mq_pb/mq_grpc.pb.go
index 55b2b4fc2..fe7969a3d 100644
--- a/weed/pb/mq_pb/mq_grpc.pb.go
+++ b/weed/pb/mq_pb/mq_grpc.pb.go
@@ -1,4 +1,8 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.21.12
+// source: mq.proto
 
 package mq_pb
 
diff --git a/weed/pb/remote.proto b/weed/pb/remote.proto
index 7b9d2f851..e42ae872c 100644
--- a/weed/pb/remote.proto
+++ b/weed/pb/remote.proto
@@ -29,6 +29,7 @@ message RemoteConf {
   string backblaze_key_id = 20;
   string backblaze_application_key = 21;
   string backblaze_endpoint = 22;
+  string backblaze_region = 23;
 
   string aliyun_access_key = 25;
   string aliyun_secret_key = 26;
diff --git a/weed/pb/remote_pb/remote.pb.go b/weed/pb/remote_pb/remote.pb.go
index a1c8bb6c6..04f695463 100644
--- a/weed/pb/remote_pb/remote.pb.go
+++ b/weed/pb/remote_pb/remote.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.21.4
+// 	protoc        v3.21.12
 // source: remote.proto
 
 package remote_pb
@@ -20,9 +20,9 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-/////////////////////////
+// ///////////////////////
 // Remote Storage related
-/////////////////////////
+// ///////////////////////
 type RemoteConf struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -44,6 +44,7 @@ type RemoteConf struct {
 	BackblazeKeyId                  string `protobuf:"bytes,20,opt,name=backblaze_key_id,json=backblazeKeyId,proto3" json:"backblaze_key_id,omitempty"`
 	BackblazeApplicationKey         string `protobuf:"bytes,21,opt,name=backblaze_application_key,json=backblazeApplicationKey,proto3" json:"backblaze_application_key,omitempty"`
 	BackblazeEndpoint               string `protobuf:"bytes,22,opt,name=backblaze_endpoint,json=backblazeEndpoint,proto3" json:"backblaze_endpoint,omitempty"`
+	BackblazeRegion                 string `protobuf:"bytes,23,opt,name=backblaze_region,json=backblazeRegion,proto3" json:"backblaze_region,omitempty"`
 	AliyunAccessKey                 string `protobuf:"bytes,25,opt,name=aliyun_access_key,json=aliyunAccessKey,proto3" json:"aliyun_access_key,omitempty"`
 	AliyunSecretKey                 string `protobuf:"bytes,26,opt,name=aliyun_secret_key,json=aliyunSecretKey,proto3" json:"aliyun_secret_key,omitempty"`
 	AliyunEndpoint                  string `protobuf:"bytes,27,opt,name=aliyun_endpoint,json=aliyunEndpoint,proto3" json:"aliyun_endpoint,omitempty"`
@@ -215,6 +216,13 @@ func (x *RemoteConf) GetBackblazeEndpoint() string {
 	return ""
 }
 
+func (x *RemoteConf) GetBackblazeRegion() string {
+	if x != nil {
+		return x.BackblazeRegion
+	}
+	return ""
+}
+
 func (x *RemoteConf) GetAliyunAccessKey() string {
 	if x != nil {
 		return x.AliyunAccessKey
@@ -512,7 +520,7 @@ var File_remote_proto protoreflect.FileDescriptor
 
 var file_remote_proto_rawDesc = []byte{
 	0x0a, 0x0c, 0x72, 0x65, 0x6d, 0x6f, 0x74, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x09,
-	0x72, 0x65, 0x6d, 0x6f, 0x74, 0x65, 0x5f, 0x70, 0x62, 0x22, 0xc2, 0x0d, 0x0a, 0x0a, 0x52, 0x65,
+	0x72, 0x65, 0x6d, 0x6f, 0x74, 0x65, 0x5f, 0x70, 0x62, 0x22, 0xed, 0x0d, 0x0a, 0x0a, 0x52, 0x65,
 	0x6d, 0x6f, 0x74, 0x65, 0x43, 0x6f, 0x6e, 0x66, 0x12, 0x12, 0x0a, 0x04, 0x74, 0x79, 0x70, 0x65,
 	0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x74, 0x79, 0x70, 0x65, 0x12, 0x12, 0x0a, 0x04,
 	0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65,
@@ -554,101 +562,103 @@ var file_remote_proto_rawDesc = []byte{
 	0x69, 0x63, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x4b, 0x65, 0x79, 0x12, 0x2d, 0x0a, 0x12, 0x62, 0x61,
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 }
 
 var (
diff --git a/weed/pb/s3_pb/s3.pb.go b/weed/pb/s3_pb/s3.pb.go
index a7285a78e..1953c5b79 100644
--- a/weed/pb/s3_pb/s3.pb.go
+++ b/weed/pb/s3_pb/s3.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.21.4
+// 	protoc        v3.21.12
 // source: s3.proto
 
 package s3_pb
diff --git a/weed/pb/s3_pb/s3_grpc.pb.go b/weed/pb/s3_pb/s3_grpc.pb.go
index 1bc956be6..06eadac4c 100644
--- a/weed/pb/s3_pb/s3_grpc.pb.go
+++ b/weed/pb/s3_pb/s3_grpc.pb.go
@@ -1,4 +1,8 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.21.12
+// source: s3.proto
 
 package s3_pb
 
diff --git a/weed/pb/volume_server_pb/volume_server.pb.go b/weed/pb/volume_server_pb/volume_server.pb.go
index 4be12feea..56920b5a1 100644
--- a/weed/pb/volume_server_pb/volume_server.pb.go
+++ b/weed/pb/volume_server_pb/volume_server.pb.go
@@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.28.1
-// 	protoc        v3.21.4
+// 	protoc        v3.21.12
 // source: volume_server.proto
 
 package volume_server_pb
diff --git a/weed/pb/volume_server_pb/volume_server_grpc.pb.go b/weed/pb/volume_server_pb/volume_server_grpc.pb.go
index 17b1eb015..8549af4f8 100644
--- a/weed/pb/volume_server_pb/volume_server_grpc.pb.go
+++ b/weed/pb/volume_server_pb/volume_server_grpc.pb.go
@@ -1,4 +1,8 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.21.12
+// source: volume_server.proto
 
 package volume_server_pb
 
@@ -18,7 +22,7 @@ const _ = grpc.SupportPackageIsVersion7
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
 type VolumeServerClient interface {
-	//Experts only: takes multiple fid parameters. This function does not propagate deletes to replicas.
+	// Experts only: takes multiple fid parameters. This function does not propagate deletes to replicas.
 	BatchDelete(ctx context.Context, in *BatchDeleteRequest, opts ...grpc.CallOption) (*BatchDeleteResponse, error)
 	VacuumVolumeCheck(ctx context.Context, in *VacuumVolumeCheckRequest, opts ...grpc.CallOption) (*VacuumVolumeCheckResponse, error)
 	VacuumVolumeCompact(ctx context.Context, in *VacuumVolumeCompactRequest, opts ...grpc.CallOption) (VolumeServer_VacuumVolumeCompactClient, error)
@@ -688,7 +692,7 @@ func (c *volumeServerClient) Ping(ctx context.Context, in *PingRequest, opts ...
 // All implementations must embed UnimplementedVolumeServerServer
 // for forward compatibility
 type VolumeServerServer interface {
-	//Experts only: takes multiple fid parameters. This function does not propagate deletes to replicas.
+	// Experts only: takes multiple fid parameters. This function does not propagate deletes to replicas.
 	BatchDelete(context.Context, *BatchDeleteRequest) (*BatchDeleteResponse, error)
 	VacuumVolumeCheck(context.Context, *VacuumVolumeCheckRequest) (*VacuumVolumeCheckResponse, error)
 	VacuumVolumeCompact(*VacuumVolumeCompactRequest, VolumeServer_VacuumVolumeCompactServer) error
diff --git a/weed/remote_storage/s3/backblaze.go b/weed/remote_storage/s3/backblaze.go
index 4daf7bcce..49f9f3ed9 100644
--- a/weed/remote_storage/s3/backblaze.go
+++ b/weed/remote_storage/s3/backblaze.go
@@ -27,7 +27,7 @@ func (s BackBlazeRemoteStorageMaker) Make(conf *remote_pb.RemoteConf) (remote_st
 	}
 	config := &aws.Config{
 		Endpoint:                      aws.String(conf.BackblazeEndpoint),
-		Region:                        aws.String("us-west-002"),
+		Region:                        aws.String(conf.BackblazeRegion),
 		S3ForcePathStyle:              aws.Bool(true),
 		S3DisableContentMD5Validation: aws.Bool(true),
 	}
diff --git a/weed/shell/command_remote_configure.go b/weed/shell/command_remote_configure.go
index 4491dc456..6647e3af2 100644
--- a/weed/shell/command_remote_configure.go
+++ b/weed/shell/command_remote_configure.go
@@ -79,6 +79,7 @@ func (c *commandRemoteConfigure) Do(args []string, commandEnv *CommandEnv, write
 	remoteConfigureCommand.StringVar(&conf.BackblazeKeyId, "b2.key_id", "", "backblaze keyID")
 	remoteConfigureCommand.StringVar(&conf.BackblazeApplicationKey, "b2.application_key", "", "backblaze applicationKey. Note that your Master Application Key will not work with the S3 Compatible API. You must create a new key that is eligible for use. For more information: https://help.backblaze.com/hc/en-us/articles/360047425453")
 	remoteConfigureCommand.StringVar(&conf.BackblazeEndpoint, "b2.endpoint", "", "backblaze endpoint")
+	remoteConfigureCommand.StringVar(&conf.BackblazeRegion, "b2.region", "us-west-002", "backblaze region")
 
 	remoteConfigureCommand.StringVar(&conf.AliyunAccessKey, "aliyun.access_key", "", "Aliyun access key, default to use env ALICLOUD_ACCESS_KEY_ID")
 	remoteConfigureCommand.StringVar(&conf.AliyunSecretKey, "aliyun.secret_key", "", "Aliyun secret key, default to use env ALICLOUD_ACCESS_KEY_SECRET")