diff --git a/weed/pb/master.proto b/weed/pb/master.proto
index 6803a30cf..26100fe80 100644
--- a/weed/pb/master.proto
+++ b/weed/pb/master.proto
@@ -188,11 +188,6 @@ message StatisticsResponse {
 //
 // collection related
 //
-
-message StorageType {
-    string replication = 1;
-    string ttl = 2;
-}
 message Collection {
     string name = 1;
 }
diff --git a/weed/pb/master_pb/master.pb.go b/weed/pb/master_pb/master.pb.go
index 8d4d4d4e7..d1b1d3cb0 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 v1.23.0
-// 	protoc        v3.13.0
+// 	protoc-gen-go v1.24.0
+// 	protoc        v3.12.3
 // source: master.proto
 
 package master_pb
@@ -1366,61 +1366,9 @@ func (x *StatisticsResponse) GetFileCount() uint64 {
 	return 0
 }
 
-type StorageType struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Replication string `protobuf:"bytes,1,opt,name=replication,proto3" json:"replication,omitempty"`
-	Ttl         string `protobuf:"bytes,2,opt,name=ttl,proto3" json:"ttl,omitempty"`
-}
-
-func (x *StorageType) Reset() {
-	*x = StorageType{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[17]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *StorageType) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*StorageType) ProtoMessage() {}
-
-func (x *StorageType) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[17]
-	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 StorageType.ProtoReflect.Descriptor instead.
-func (*StorageType) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{17}
-}
-
-func (x *StorageType) GetReplication() string {
-	if x != nil {
-		return x.Replication
-	}
-	return ""
-}
-
-func (x *StorageType) GetTtl() string {
-	if x != nil {
-		return x.Ttl
-	}
-	return ""
-}
-
+//
+// collection related
+//
 type Collection struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1432,7 +1380,7 @@ type Collection struct {
 func (x *Collection) Reset() {
 	*x = Collection{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[18]
+		mi := &file_master_proto_msgTypes[17]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1445,7 +1393,7 @@ func (x *Collection) String() string {
 func (*Collection) ProtoMessage() {}
 
 func (x *Collection) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[18]
+	mi := &file_master_proto_msgTypes[17]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1458,7 +1406,7 @@ func (x *Collection) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Collection.ProtoReflect.Descriptor instead.
 func (*Collection) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{18}
+	return file_master_proto_rawDescGZIP(), []int{17}
 }
 
 func (x *Collection) GetName() string {
@@ -1480,7 +1428,7 @@ type CollectionListRequest struct {
 func (x *CollectionListRequest) Reset() {
 	*x = CollectionListRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[19]
+		mi := &file_master_proto_msgTypes[18]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1493,7 +1441,7 @@ func (x *CollectionListRequest) String() string {
 func (*CollectionListRequest) ProtoMessage() {}
 
 func (x *CollectionListRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[19]
+	mi := &file_master_proto_msgTypes[18]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1506,7 +1454,7 @@ func (x *CollectionListRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CollectionListRequest.ProtoReflect.Descriptor instead.
 func (*CollectionListRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{19}
+	return file_master_proto_rawDescGZIP(), []int{18}
 }
 
 func (x *CollectionListRequest) GetIncludeNormalVolumes() bool {
@@ -1534,7 +1482,7 @@ type CollectionListResponse struct {
 func (x *CollectionListResponse) Reset() {
 	*x = CollectionListResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[20]
+		mi := &file_master_proto_msgTypes[19]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1547,7 +1495,7 @@ func (x *CollectionListResponse) String() string {
 func (*CollectionListResponse) ProtoMessage() {}
 
 func (x *CollectionListResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[20]
+	mi := &file_master_proto_msgTypes[19]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1560,7 +1508,7 @@ func (x *CollectionListResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CollectionListResponse.ProtoReflect.Descriptor instead.
 func (*CollectionListResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{20}
+	return file_master_proto_rawDescGZIP(), []int{19}
 }
 
 func (x *CollectionListResponse) GetCollections() []*Collection {
@@ -1581,7 +1529,7 @@ type CollectionDeleteRequest struct {
 func (x *CollectionDeleteRequest) Reset() {
 	*x = CollectionDeleteRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[21]
+		mi := &file_master_proto_msgTypes[20]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1594,7 +1542,7 @@ func (x *CollectionDeleteRequest) String() string {
 func (*CollectionDeleteRequest) ProtoMessage() {}
 
 func (x *CollectionDeleteRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[21]
+	mi := &file_master_proto_msgTypes[20]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1607,7 +1555,7 @@ func (x *CollectionDeleteRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CollectionDeleteRequest.ProtoReflect.Descriptor instead.
 func (*CollectionDeleteRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{21}
+	return file_master_proto_rawDescGZIP(), []int{20}
 }
 
 func (x *CollectionDeleteRequest) GetName() string {
@@ -1626,7 +1574,7 @@ type CollectionDeleteResponse struct {
 func (x *CollectionDeleteResponse) Reset() {
 	*x = CollectionDeleteResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[22]
+		mi := &file_master_proto_msgTypes[21]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1639,7 +1587,7 @@ func (x *CollectionDeleteResponse) String() string {
 func (*CollectionDeleteResponse) ProtoMessage() {}
 
 func (x *CollectionDeleteResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[22]
+	mi := &file_master_proto_msgTypes[21]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1652,7 +1600,7 @@ func (x *CollectionDeleteResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use CollectionDeleteResponse.ProtoReflect.Descriptor instead.
 func (*CollectionDeleteResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{22}
+	return file_master_proto_rawDescGZIP(), []int{21}
 }
 
 //
@@ -1676,7 +1624,7 @@ type DataNodeInfo struct {
 func (x *DataNodeInfo) Reset() {
 	*x = DataNodeInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[23]
+		mi := &file_master_proto_msgTypes[22]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1689,7 +1637,7 @@ 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[22]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1702,7 +1650,7 @@ 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{22}
 }
 
 func (x *DataNodeInfo) GetId() string {
@@ -1778,7 +1726,7 @@ type RackInfo struct {
 func (x *RackInfo) Reset() {
 	*x = RackInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[24]
+		mi := &file_master_proto_msgTypes[23]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1791,7 +1739,7 @@ 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[23]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1804,7 +1752,7 @@ 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{23}
 }
 
 func (x *RackInfo) GetId() string {
@@ -1873,7 +1821,7 @@ type DataCenterInfo struct {
 func (x *DataCenterInfo) Reset() {
 	*x = DataCenterInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[25]
+		mi := &file_master_proto_msgTypes[24]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1886,7 +1834,7 @@ 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[24]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1899,7 +1847,7 @@ 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{24}
 }
 
 func (x *DataCenterInfo) GetId() string {
@@ -1968,7 +1916,7 @@ type TopologyInfo struct {
 func (x *TopologyInfo) Reset() {
 	*x = TopologyInfo{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[26]
+		mi := &file_master_proto_msgTypes[25]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1981,7 +1929,7 @@ 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[25]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1994,7 +1942,7 @@ 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{25}
 }
 
 func (x *TopologyInfo) GetId() string {
@@ -2055,7 +2003,7 @@ type VolumeListRequest struct {
 func (x *VolumeListRequest) Reset() {
 	*x = VolumeListRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[27]
+		mi := &file_master_proto_msgTypes[26]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2068,7 +2016,7 @@ 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[26]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2081,7 +2029,7 @@ 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{26}
 }
 
 type VolumeListResponse struct {
@@ -2096,7 +2044,7 @@ type VolumeListResponse struct {
 func (x *VolumeListResponse) Reset() {
 	*x = VolumeListResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[28]
+		mi := &file_master_proto_msgTypes[27]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2109,7 +2057,7 @@ 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[27]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2122,7 +2070,7 @@ 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{27}
 }
 
 func (x *VolumeListResponse) GetTopologyInfo() *TopologyInfo {
@@ -2150,7 +2098,7 @@ type LookupEcVolumeRequest struct {
 func (x *LookupEcVolumeRequest) Reset() {
 	*x = LookupEcVolumeRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[29]
+		mi := &file_master_proto_msgTypes[28]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2163,7 +2111,7 @@ 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[28]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2176,7 +2124,7 @@ 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{28}
 }
 
 func (x *LookupEcVolumeRequest) GetVolumeId() uint32 {
@@ -2198,7 +2146,7 @@ type LookupEcVolumeResponse struct {
 func (x *LookupEcVolumeResponse) Reset() {
 	*x = LookupEcVolumeResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[30]
+		mi := &file_master_proto_msgTypes[29]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2211,7 +2159,7 @@ 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[29]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2224,7 +2172,7 @@ 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{29}
 }
 
 func (x *LookupEcVolumeResponse) GetVolumeId() uint32 {
@@ -2250,7 +2198,7 @@ type GetMasterConfigurationRequest struct {
 func (x *GetMasterConfigurationRequest) Reset() {
 	*x = GetMasterConfigurationRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[31]
+		mi := &file_master_proto_msgTypes[30]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2263,7 +2211,7 @@ func (x *GetMasterConfigurationRequest) String() string {
 func (*GetMasterConfigurationRequest) ProtoMessage() {}
 
 func (x *GetMasterConfigurationRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[31]
+	mi := &file_master_proto_msgTypes[30]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2276,7 +2224,7 @@ func (x *GetMasterConfigurationRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetMasterConfigurationRequest.ProtoReflect.Descriptor instead.
 func (*GetMasterConfigurationRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{31}
+	return file_master_proto_rawDescGZIP(), []int{30}
 }
 
 type GetMasterConfigurationResponse struct {
@@ -2294,7 +2242,7 @@ type GetMasterConfigurationResponse struct {
 func (x *GetMasterConfigurationResponse) Reset() {
 	*x = GetMasterConfigurationResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[32]
+		mi := &file_master_proto_msgTypes[31]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2307,7 +2255,7 @@ func (x *GetMasterConfigurationResponse) String() string {
 func (*GetMasterConfigurationResponse) ProtoMessage() {}
 
 func (x *GetMasterConfigurationResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[32]
+	mi := &file_master_proto_msgTypes[31]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2320,7 +2268,7 @@ func (x *GetMasterConfigurationResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetMasterConfigurationResponse.ProtoReflect.Descriptor instead.
 func (*GetMasterConfigurationResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{32}
+	return file_master_proto_rawDescGZIP(), []int{31}
 }
 
 func (x *GetMasterConfigurationResponse) GetMetricsAddress() string {
@@ -2369,7 +2317,7 @@ type ListMasterClientsRequest struct {
 func (x *ListMasterClientsRequest) Reset() {
 	*x = ListMasterClientsRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[33]
+		mi := &file_master_proto_msgTypes[32]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2382,7 +2330,7 @@ func (x *ListMasterClientsRequest) String() string {
 func (*ListMasterClientsRequest) ProtoMessage() {}
 
 func (x *ListMasterClientsRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[33]
+	mi := &file_master_proto_msgTypes[32]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2395,7 +2343,7 @@ func (x *ListMasterClientsRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ListMasterClientsRequest.ProtoReflect.Descriptor instead.
 func (*ListMasterClientsRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{33}
+	return file_master_proto_rawDescGZIP(), []int{32}
 }
 
 func (x *ListMasterClientsRequest) GetClientType() string {
@@ -2416,7 +2364,7 @@ type ListMasterClientsResponse struct {
 func (x *ListMasterClientsResponse) Reset() {
 	*x = ListMasterClientsResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[34]
+		mi := &file_master_proto_msgTypes[33]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2429,7 +2377,7 @@ func (x *ListMasterClientsResponse) String() string {
 func (*ListMasterClientsResponse) ProtoMessage() {}
 
 func (x *ListMasterClientsResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[34]
+	mi := &file_master_proto_msgTypes[33]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2442,7 +2390,7 @@ func (x *ListMasterClientsResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ListMasterClientsResponse.ProtoReflect.Descriptor instead.
 func (*ListMasterClientsResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{34}
+	return file_master_proto_rawDescGZIP(), []int{33}
 }
 
 func (x *ListMasterClientsResponse) GetGrpcAddresses() []string {
@@ -2465,7 +2413,7 @@ type LeaseAdminTokenRequest struct {
 func (x *LeaseAdminTokenRequest) Reset() {
 	*x = LeaseAdminTokenRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[35]
+		mi := &file_master_proto_msgTypes[34]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2478,7 +2426,7 @@ func (x *LeaseAdminTokenRequest) String() string {
 func (*LeaseAdminTokenRequest) ProtoMessage() {}
 
 func (x *LeaseAdminTokenRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[35]
+	mi := &file_master_proto_msgTypes[34]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2491,7 +2439,7 @@ func (x *LeaseAdminTokenRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LeaseAdminTokenRequest.ProtoReflect.Descriptor instead.
 func (*LeaseAdminTokenRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{35}
+	return file_master_proto_rawDescGZIP(), []int{34}
 }
 
 func (x *LeaseAdminTokenRequest) GetPreviousToken() int64 {
@@ -2527,7 +2475,7 @@ type LeaseAdminTokenResponse struct {
 func (x *LeaseAdminTokenResponse) Reset() {
 	*x = LeaseAdminTokenResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[36]
+		mi := &file_master_proto_msgTypes[35]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2540,7 +2488,7 @@ func (x *LeaseAdminTokenResponse) String() string {
 func (*LeaseAdminTokenResponse) ProtoMessage() {}
 
 func (x *LeaseAdminTokenResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[36]
+	mi := &file_master_proto_msgTypes[35]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2553,7 +2501,7 @@ func (x *LeaseAdminTokenResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use LeaseAdminTokenResponse.ProtoReflect.Descriptor instead.
 func (*LeaseAdminTokenResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{36}
+	return file_master_proto_rawDescGZIP(), []int{35}
 }
 
 func (x *LeaseAdminTokenResponse) GetToken() int64 {
@@ -2583,7 +2531,7 @@ type ReleaseAdminTokenRequest struct {
 func (x *ReleaseAdminTokenRequest) Reset() {
 	*x = ReleaseAdminTokenRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[37]
+		mi := &file_master_proto_msgTypes[36]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2596,7 +2544,7 @@ func (x *ReleaseAdminTokenRequest) String() string {
 func (*ReleaseAdminTokenRequest) ProtoMessage() {}
 
 func (x *ReleaseAdminTokenRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[37]
+	mi := &file_master_proto_msgTypes[36]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2609,7 +2557,7 @@ func (x *ReleaseAdminTokenRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ReleaseAdminTokenRequest.ProtoReflect.Descriptor instead.
 func (*ReleaseAdminTokenRequest) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{37}
+	return file_master_proto_rawDescGZIP(), []int{36}
 }
 
 func (x *ReleaseAdminTokenRequest) GetPreviousToken() int64 {
@@ -2642,7 +2590,7 @@ type ReleaseAdminTokenResponse struct {
 func (x *ReleaseAdminTokenResponse) Reset() {
 	*x = ReleaseAdminTokenResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[38]
+		mi := &file_master_proto_msgTypes[37]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2655,7 +2603,7 @@ func (x *ReleaseAdminTokenResponse) String() string {
 func (*ReleaseAdminTokenResponse) ProtoMessage() {}
 
 func (x *ReleaseAdminTokenResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[38]
+	mi := &file_master_proto_msgTypes[37]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2668,7 +2616,7 @@ func (x *ReleaseAdminTokenResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ReleaseAdminTokenResponse.ProtoReflect.Descriptor instead.
 func (*ReleaseAdminTokenResponse) Descriptor() ([]byte, []int) {
-	return file_master_proto_rawDescGZIP(), []int{38}
+	return file_master_proto_rawDescGZIP(), []int{37}
 }
 
 type SuperBlockExtra_ErasureCoding struct {
@@ -2684,7 +2632,7 @@ type SuperBlockExtra_ErasureCoding struct {
 func (x *SuperBlockExtra_ErasureCoding) Reset() {
 	*x = SuperBlockExtra_ErasureCoding{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[40]
+		mi := &file_master_proto_msgTypes[39]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2697,7 +2645,7 @@ func (x *SuperBlockExtra_ErasureCoding) String() string {
 func (*SuperBlockExtra_ErasureCoding) ProtoMessage() {}
 
 func (x *SuperBlockExtra_ErasureCoding) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[40]
+	mi := &file_master_proto_msgTypes[39]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2747,7 +2695,7 @@ type LookupVolumeResponse_VolumeIdLocation struct {
 func (x *LookupVolumeResponse_VolumeIdLocation) Reset() {
 	*x = LookupVolumeResponse_VolumeIdLocation{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[41]
+		mi := &file_master_proto_msgTypes[40]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2760,7 +2708,7 @@ func (x *LookupVolumeResponse_VolumeIdLocation) String() string {
 func (*LookupVolumeResponse_VolumeIdLocation) ProtoMessage() {}
 
 func (x *LookupVolumeResponse_VolumeIdLocation) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[41]
+	mi := &file_master_proto_msgTypes[40]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2809,7 +2757,7 @@ type LookupEcVolumeResponse_EcShardIdLocation struct {
 func (x *LookupEcVolumeResponse_EcShardIdLocation) Reset() {
 	*x = LookupEcVolumeResponse_EcShardIdLocation{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_master_proto_msgTypes[42]
+		mi := &file_master_proto_msgTypes[41]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -2822,7 +2770,7 @@ func (x *LookupEcVolumeResponse_EcShardIdLocation) String() string {
 func (*LookupEcVolumeResponse_EcShardIdLocation) ProtoMessage() {}
 
 func (x *LookupEcVolumeResponse_EcShardIdLocation) ProtoReflect() protoreflect.Message {
-	mi := &file_master_proto_msgTypes[42]
+	mi := &file_master_proto_msgTypes[41]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -2835,7 +2783,7 @@ 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{29, 0}
 }
 
 func (x *LookupEcVolumeResponse_EcShardIdLocation) GetShardId() uint32 {
@@ -3084,77 +3032,53 @@ var file_master_proto_rawDesc = []byte{
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 }
 
 var (
@@ -3363,7 +3307,7 @@ func file_master_proto_rawDescGZIP() []byte {
 	return file_master_proto_rawDescData
 }
 
-var file_master_proto_msgTypes = make([]protoimpl.MessageInfo, 43)
+var file_master_proto_msgTypes = make([]protoimpl.MessageInfo, 42)
 var file_master_proto_goTypes = []interface{}{
 	(*Heartbeat)(nil),                                // 0: master_pb.Heartbeat
 	(*HeartbeatResponse)(nil),                        // 1: master_pb.HeartbeatResponse
@@ -3382,32 +3326,31 @@ var file_master_proto_goTypes = []interface{}{
 	(*AssignResponse)(nil),                           // 14: master_pb.AssignResponse
 	(*StatisticsRequest)(nil),                        // 15: master_pb.StatisticsRequest
 	(*StatisticsResponse)(nil),                       // 16: master_pb.StatisticsResponse
-	(*StorageType)(nil),                              // 17: master_pb.StorageType
-	(*Collection)(nil),                               // 18: master_pb.Collection
-	(*CollectionListRequest)(nil),                    // 19: master_pb.CollectionListRequest
-	(*CollectionListResponse)(nil),                   // 20: master_pb.CollectionListResponse
-	(*CollectionDeleteRequest)(nil),                  // 21: master_pb.CollectionDeleteRequest
-	(*CollectionDeleteResponse)(nil),                 // 22: master_pb.CollectionDeleteResponse
-	(*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
-	(*GetMasterConfigurationRequest)(nil),            // 31: master_pb.GetMasterConfigurationRequest
-	(*GetMasterConfigurationResponse)(nil),           // 32: master_pb.GetMasterConfigurationResponse
-	(*ListMasterClientsRequest)(nil),                 // 33: master_pb.ListMasterClientsRequest
-	(*ListMasterClientsResponse)(nil),                // 34: master_pb.ListMasterClientsResponse
-	(*LeaseAdminTokenRequest)(nil),                   // 35: master_pb.LeaseAdminTokenRequest
-	(*LeaseAdminTokenResponse)(nil),                  // 36: master_pb.LeaseAdminTokenResponse
-	(*ReleaseAdminTokenRequest)(nil),                 // 37: master_pb.ReleaseAdminTokenRequest
-	(*ReleaseAdminTokenResponse)(nil),                // 38: master_pb.ReleaseAdminTokenResponse
-	nil,                                              // 39: master_pb.StorageBackend.PropertiesEntry
-	(*SuperBlockExtra_ErasureCoding)(nil),            // 40: master_pb.SuperBlockExtra.ErasureCoding
-	(*LookupVolumeResponse_VolumeIdLocation)(nil),    // 41: master_pb.LookupVolumeResponse.VolumeIdLocation
-	(*LookupEcVolumeResponse_EcShardIdLocation)(nil), // 42: master_pb.LookupEcVolumeResponse.EcShardIdLocation
+	(*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
+	(*DataNodeInfo)(nil),                             // 22: master_pb.DataNodeInfo
+	(*RackInfo)(nil),                                 // 23: master_pb.RackInfo
+	(*DataCenterInfo)(nil),                           // 24: master_pb.DataCenterInfo
+	(*TopologyInfo)(nil),                             // 25: master_pb.TopologyInfo
+	(*VolumeListRequest)(nil),                        // 26: master_pb.VolumeListRequest
+	(*VolumeListResponse)(nil),                       // 27: master_pb.VolumeListResponse
+	(*LookupEcVolumeRequest)(nil),                    // 28: master_pb.LookupEcVolumeRequest
+	(*LookupEcVolumeResponse)(nil),                   // 29: master_pb.LookupEcVolumeResponse
+	(*GetMasterConfigurationRequest)(nil),            // 30: master_pb.GetMasterConfigurationRequest
+	(*GetMasterConfigurationResponse)(nil),           // 31: master_pb.GetMasterConfigurationResponse
+	(*ListMasterClientsRequest)(nil),                 // 32: master_pb.ListMasterClientsRequest
+	(*ListMasterClientsResponse)(nil),                // 33: master_pb.ListMasterClientsResponse
+	(*LeaseAdminTokenRequest)(nil),                   // 34: master_pb.LeaseAdminTokenRequest
+	(*LeaseAdminTokenResponse)(nil),                  // 35: master_pb.LeaseAdminTokenResponse
+	(*ReleaseAdminTokenRequest)(nil),                 // 36: master_pb.ReleaseAdminTokenRequest
+	(*ReleaseAdminTokenResponse)(nil),                // 37: master_pb.ReleaseAdminTokenResponse
+	nil,                                              // 38: master_pb.StorageBackend.PropertiesEntry
+	(*SuperBlockExtra_ErasureCoding)(nil),            // 39: master_pb.SuperBlockExtra.ErasureCoding
+	(*LookupVolumeResponse_VolumeIdLocation)(nil),    // 40: master_pb.LookupVolumeResponse.VolumeIdLocation
+	(*LookupEcVolumeResponse_EcShardIdLocation)(nil), // 41: master_pb.LookupEcVolumeResponse.EcShardIdLocation
 }
 var file_master_proto_depIdxs = []int32{
 	2,  // 0: master_pb.Heartbeat.volumes:type_name -> master_pb.VolumeInformationMessage
@@ -3417,17 +3360,17 @@ var file_master_proto_depIdxs = []int32{
 	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
 	5,  // 6: master_pb.HeartbeatResponse.storage_backends:type_name -> master_pb.StorageBackend
-	39, // 7: master_pb.StorageBackend.properties:type_name -> master_pb.StorageBackend.PropertiesEntry
-	40, // 8: master_pb.SuperBlockExtra.erasure_coding:type_name -> master_pb.SuperBlockExtra.ErasureCoding
-	41, // 9: master_pb.LookupVolumeResponse.volume_id_locations:type_name -> master_pb.LookupVolumeResponse.VolumeIdLocation
-	18, // 10: master_pb.CollectionListResponse.collections:type_name -> master_pb.Collection
+	38, // 7: master_pb.StorageBackend.properties:type_name -> master_pb.StorageBackend.PropertiesEntry
+	39, // 8: master_pb.SuperBlockExtra.erasure_coding:type_name -> master_pb.SuperBlockExtra.ErasureCoding
+	40, // 9: master_pb.LookupVolumeResponse.volume_id_locations:type_name -> master_pb.LookupVolumeResponse.VolumeIdLocation
+	17, // 10: master_pb.CollectionListResponse.collections:type_name -> master_pb.Collection
 	2,  // 11: master_pb.DataNodeInfo.volume_infos:type_name -> master_pb.VolumeInformationMessage
 	4,  // 12: master_pb.DataNodeInfo.ec_shard_infos:type_name -> master_pb.VolumeEcShardInformationMessage
-	23, // 13: master_pb.RackInfo.data_node_infos:type_name -> master_pb.DataNodeInfo
-	24, // 14: master_pb.DataCenterInfo.rack_infos:type_name -> master_pb.RackInfo
-	25, // 15: master_pb.TopologyInfo.data_center_infos:type_name -> master_pb.DataCenterInfo
-	26, // 16: master_pb.VolumeListResponse.topology_info:type_name -> master_pb.TopologyInfo
-	42, // 17: master_pb.LookupEcVolumeResponse.shard_id_locations:type_name -> master_pb.LookupEcVolumeResponse.EcShardIdLocation
+	22, // 13: master_pb.RackInfo.data_node_infos:type_name -> master_pb.DataNodeInfo
+	23, // 14: master_pb.DataCenterInfo.rack_infos:type_name -> master_pb.RackInfo
+	24, // 15: master_pb.TopologyInfo.data_center_infos:type_name -> master_pb.DataCenterInfo
+	25, // 16: master_pb.VolumeListResponse.topology_info:type_name -> master_pb.TopologyInfo
+	41, // 17: master_pb.LookupEcVolumeResponse.shard_id_locations:type_name -> master_pb.LookupEcVolumeResponse.EcShardIdLocation
 	5,  // 18: master_pb.GetMasterConfigurationResponse.storage_backends:type_name -> master_pb.StorageBackend
 	12, // 19: master_pb.LookupVolumeResponse.VolumeIdLocation.locations:type_name -> master_pb.Location
 	12, // 20: master_pb.LookupEcVolumeResponse.EcShardIdLocation.locations:type_name -> master_pb.Location
@@ -3436,27 +3379,27 @@ var file_master_proto_depIdxs = []int32{
 	10, // 23: master_pb.Seaweed.LookupVolume:input_type -> master_pb.LookupVolumeRequest
 	13, // 24: master_pb.Seaweed.Assign:input_type -> master_pb.AssignRequest
 	15, // 25: master_pb.Seaweed.Statistics:input_type -> master_pb.StatisticsRequest
-	19, // 26: master_pb.Seaweed.CollectionList:input_type -> master_pb.CollectionListRequest
-	21, // 27: master_pb.Seaweed.CollectionDelete:input_type -> master_pb.CollectionDeleteRequest
-	27, // 28: master_pb.Seaweed.VolumeList:input_type -> master_pb.VolumeListRequest
-	29, // 29: master_pb.Seaweed.LookupEcVolume:input_type -> master_pb.LookupEcVolumeRequest
-	31, // 30: master_pb.Seaweed.GetMasterConfiguration:input_type -> master_pb.GetMasterConfigurationRequest
-	33, // 31: master_pb.Seaweed.ListMasterClients:input_type -> master_pb.ListMasterClientsRequest
-	35, // 32: master_pb.Seaweed.LeaseAdminToken:input_type -> master_pb.LeaseAdminTokenRequest
-	37, // 33: master_pb.Seaweed.ReleaseAdminToken:input_type -> master_pb.ReleaseAdminTokenRequest
+	18, // 26: master_pb.Seaweed.CollectionList:input_type -> master_pb.CollectionListRequest
+	20, // 27: master_pb.Seaweed.CollectionDelete:input_type -> master_pb.CollectionDeleteRequest
+	26, // 28: master_pb.Seaweed.VolumeList:input_type -> master_pb.VolumeListRequest
+	28, // 29: master_pb.Seaweed.LookupEcVolume:input_type -> master_pb.LookupEcVolumeRequest
+	30, // 30: master_pb.Seaweed.GetMasterConfiguration:input_type -> master_pb.GetMasterConfigurationRequest
+	32, // 31: master_pb.Seaweed.ListMasterClients:input_type -> master_pb.ListMasterClientsRequest
+	34, // 32: master_pb.Seaweed.LeaseAdminToken:input_type -> master_pb.LeaseAdminTokenRequest
+	36, // 33: master_pb.Seaweed.ReleaseAdminToken:input_type -> master_pb.ReleaseAdminTokenRequest
 	1,  // 34: master_pb.Seaweed.SendHeartbeat:output_type -> master_pb.HeartbeatResponse
 	9,  // 35: master_pb.Seaweed.KeepConnected:output_type -> master_pb.VolumeLocation
 	11, // 36: master_pb.Seaweed.LookupVolume:output_type -> master_pb.LookupVolumeResponse
 	14, // 37: master_pb.Seaweed.Assign:output_type -> master_pb.AssignResponse
 	16, // 38: master_pb.Seaweed.Statistics:output_type -> master_pb.StatisticsResponse
-	20, // 39: master_pb.Seaweed.CollectionList:output_type -> master_pb.CollectionListResponse
-	22, // 40: master_pb.Seaweed.CollectionDelete:output_type -> master_pb.CollectionDeleteResponse
-	28, // 41: master_pb.Seaweed.VolumeList:output_type -> master_pb.VolumeListResponse
-	30, // 42: master_pb.Seaweed.LookupEcVolume:output_type -> master_pb.LookupEcVolumeResponse
-	32, // 43: master_pb.Seaweed.GetMasterConfiguration:output_type -> master_pb.GetMasterConfigurationResponse
-	34, // 44: master_pb.Seaweed.ListMasterClients:output_type -> master_pb.ListMasterClientsResponse
-	36, // 45: master_pb.Seaweed.LeaseAdminToken:output_type -> master_pb.LeaseAdminTokenResponse
-	38, // 46: master_pb.Seaweed.ReleaseAdminToken:output_type -> master_pb.ReleaseAdminTokenResponse
+	19, // 39: master_pb.Seaweed.CollectionList:output_type -> master_pb.CollectionListResponse
+	21, // 40: master_pb.Seaweed.CollectionDelete:output_type -> master_pb.CollectionDeleteResponse
+	27, // 41: master_pb.Seaweed.VolumeList:output_type -> master_pb.VolumeListResponse
+	29, // 42: master_pb.Seaweed.LookupEcVolume:output_type -> master_pb.LookupEcVolumeResponse
+	31, // 43: master_pb.Seaweed.GetMasterConfiguration:output_type -> master_pb.GetMasterConfigurationResponse
+	33, // 44: master_pb.Seaweed.ListMasterClients:output_type -> master_pb.ListMasterClientsResponse
+	35, // 45: master_pb.Seaweed.LeaseAdminToken:output_type -> master_pb.LeaseAdminTokenResponse
+	37, // 46: master_pb.Seaweed.ReleaseAdminToken:output_type -> master_pb.ReleaseAdminTokenResponse
 	34, // [34:47] is the sub-list for method output_type
 	21, // [21:34] is the sub-list for method input_type
 	21, // [21:21] is the sub-list for extension type_name
@@ -3675,18 +3618,6 @@ func file_master_proto_init() {
 			}
 		}
 		file_master_proto_msgTypes[17].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*StorageType); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_master_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Collection); i {
 			case 0:
 				return &v.state
@@ -3698,7 +3629,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[19].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[18].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*CollectionListRequest); i {
 			case 0:
 				return &v.state
@@ -3710,7 +3641,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[20].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[19].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*CollectionListResponse); i {
 			case 0:
 				return &v.state
@@ -3722,7 +3653,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[21].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[20].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*CollectionDeleteRequest); i {
 			case 0:
 				return &v.state
@@ -3734,7 +3665,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[22].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[21].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*CollectionDeleteResponse); i {
 			case 0:
 				return &v.state
@@ -3746,7 +3677,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[23].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[22].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DataNodeInfo); i {
 			case 0:
 				return &v.state
@@ -3758,7 +3689,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[24].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[23].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*RackInfo); i {
 			case 0:
 				return &v.state
@@ -3770,7 +3701,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[25].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[24].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*DataCenterInfo); i {
 			case 0:
 				return &v.state
@@ -3782,7 +3713,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[26].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[25].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*TopologyInfo); i {
 			case 0:
 				return &v.state
@@ -3794,7 +3725,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[27].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[26].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*VolumeListRequest); i {
 			case 0:
 				return &v.state
@@ -3806,7 +3737,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[28].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[27].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*VolumeListResponse); i {
 			case 0:
 				return &v.state
@@ -3818,7 +3749,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[29].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[28].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*LookupEcVolumeRequest); i {
 			case 0:
 				return &v.state
@@ -3830,7 +3761,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[30].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[29].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*LookupEcVolumeResponse); i {
 			case 0:
 				return &v.state
@@ -3842,7 +3773,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[31].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[30].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*GetMasterConfigurationRequest); i {
 			case 0:
 				return &v.state
@@ -3854,7 +3785,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[32].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[31].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*GetMasterConfigurationResponse); i {
 			case 0:
 				return &v.state
@@ -3866,7 +3797,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[33].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[32].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ListMasterClientsRequest); i {
 			case 0:
 				return &v.state
@@ -3878,7 +3809,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[34].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[33].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ListMasterClientsResponse); i {
 			case 0:
 				return &v.state
@@ -3890,7 +3821,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[35].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[34].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*LeaseAdminTokenRequest); i {
 			case 0:
 				return &v.state
@@ -3902,7 +3833,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[36].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[35].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*LeaseAdminTokenResponse); i {
 			case 0:
 				return &v.state
@@ -3914,7 +3845,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[37].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[36].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ReleaseAdminTokenRequest); i {
 			case 0:
 				return &v.state
@@ -3926,7 +3857,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[38].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[37].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ReleaseAdminTokenResponse); i {
 			case 0:
 				return &v.state
@@ -3938,7 +3869,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[40].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[39].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SuperBlockExtra_ErasureCoding); i {
 			case 0:
 				return &v.state
@@ -3950,7 +3881,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[41].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[40].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*LookupVolumeResponse_VolumeIdLocation); i {
 			case 0:
 				return &v.state
@@ -3962,7 +3893,7 @@ func file_master_proto_init() {
 				return nil
 			}
 		}
-		file_master_proto_msgTypes[42].Exporter = func(v interface{}, i int) interface{} {
+		file_master_proto_msgTypes[41].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*LookupEcVolumeResponse_EcShardIdLocation); i {
 			case 0:
 				return &v.state
@@ -3981,7 +3912,7 @@ func file_master_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_master_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   43,
+			NumMessages:   42,
 			NumExtensions: 0,
 			NumServices:   1,
 		},