1 files changed, 5 insertions, 0 deletions
diff --git a/weed/pb/master_pb/master_helper.go b/weed/pb/master_pb/master_helper.go
new file mode 100644
index 000000000..52006fdee
--- /dev/null
+++ b/weed/pb/master_pb/master_helper.go
@@ -0,0 +1,5 @@
+package master_pb
+
+func (v *VolumeLocation) IsEmptyUrl() bool {
+	return v.Url == "" || v.Url == ":0"
+}