diff --git a/weed/server/master_grpc_server_volume.go b/weed/server/master_grpc_server_volume.go
index 29aff5c0b..156afd4a1 100644
--- a/weed/server/master_grpc_server_volume.go
+++ b/weed/server/master_grpc_server_volume.go
@@ -77,7 +77,7 @@ func (ms *MasterServer) Assign(ctx context.Context, req *master_pb.AssignRequest
 
 	if !ms.Topo.HasWritableVolume(option) {
 		if ms.Topo.AvailableSpaceFor(option) <= 0 {
-			return nil, fmt.Errorf("no free volumes left for "+option.String())
+			return nil, fmt.Errorf("no free volumes left for " + option.String())
 		}
 		ms.vgLock.Lock()
 		if !ms.Topo.HasWritableVolume(option) {
@@ -122,11 +122,8 @@ func (ms *MasterServer) Statistics(ctx context.Context, req *master_pb.Statistic
 
 	volumeLayout := ms.Topo.GetVolumeLayout(req.Collection, replicaPlacement, ttl, types.ToDiskType(req.DiskType))
 	stats := volumeLayout.Stats()
-
-	totalSize := ms.Topo.GetDiskUsages().GetMaxVolumeCount() * int64(ms.option.VolumeSizeLimitMB) * 1024 * 1024
-
 	resp := &master_pb.StatisticsResponse{
-		TotalSize: uint64(totalSize),
+		TotalSize: stats.TotalSize,
 		UsedSize:  stats.UsedSize,
 		FileCount: stats.FileCount,
 	}
diff --git a/weed/topology/volume_layout.go b/weed/topology/volume_layout.go
index 5784c894b..c7e171248 100644
--- a/weed/topology/volume_layout.go
+++ b/weed/topology/volume_layout.go
@@ -432,7 +432,7 @@ func (vl *VolumeLayout) Stats() *VolumeLayoutStats {
 		if vl.readonlyVolumes.IsTrue(vid) {
 			ret.TotalSize += size
 		} else {
-			ret.TotalSize += vl.volumeSizeLimit
+			ret.TotalSize += vl.volumeSizeLimit * uint64(vll.Length())
 		}
 	}
 
diff --git a/weed/topology/volume_location_list.go b/weed/topology/volume_location_list.go
index 64c13ca52..548c4cd25 100644
--- a/weed/topology/volume_location_list.go
+++ b/weed/topology/volume_location_list.go
@@ -82,7 +82,7 @@ func (dnll *VolumeLocationList) Stats(vid needle.VolumeId, freshThreshHold int64
 		if dnl.LastSeen < freshThreshHold {
 			vinfo, err := dnl.GetVolumesById(vid)
 			if err == nil {
-				return vinfo.Size - vinfo.DeletedByteCount, vinfo.FileCount - vinfo.DeleteCount
+				return (vinfo.Size - vinfo.DeletedByteCount) * uint64(len(dnll.list)), vinfo.FileCount - vinfo.DeleteCount
 			}
 		}
 	}