+++ /usr/lib/python2.7/dist-packages/cinder/volume/utils.py     2015-11-19 09:33:13.722238549 +0100
@@ -71,8 +71,7 @@
         size=volume_ref['size'],
         replication_status=volume_ref['replication_status'],
         replication_extended_status=volume_ref['replication_extended_status'],
-        replication_driver_data=volume_ref['replication_driver_data'],
-        metadata=volume_ref.get('volume_metadata'),)
+        replication_driver_data=volume_ref['replication_driver_data'],)
 
     usage_info.update(kw)
     try: