diff --git a/weed/stats/disk.go b/weed/stats/disk.go
index e9d8baedd..813c08f7b 100644
--- a/weed/stats/disk.go
+++ b/weed/stats/disk.go
@@ -1,9 +1,13 @@
 package stats
 
-import "github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
+import (
+	"github.com/chrislusf/seaweedfs/weed/glog"
+	"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
+)
 
 func NewDiskStatus(path string) (disk *volume_server_pb.DiskStatus) {
 	disk = &volume_server_pb.DiskStatus{Dir: path}
 	fillInDiskStatus(disk)
+	glog.V(0).Infof("read disk size: %v", disk)
 	return
 }