From: TaoBai <baitaosh@cn.ibm.com>
Date: Fri, 26 Sep 2014 11:20:08 +0000 (+0300)
Subject: IBM Storwize: Improve error message
X-Git-Url: https://review.fuel-infra.org/gitweb?a=commitdiff_plain;h=75b09a0ad9f050c9773a94bdf9bd8cbe2b090250;p=openstack-build%2Fcinder-build.git

IBM Storwize: Improve error message

Message "Unable to retype: Volume is replicated." can not really reflect
the reason why retype failed. We need to add additional information to
help user to better understand why retype failed.

Change-Id: If68bb1ba1e72df46fef35394c9ad207ffdeb271b
---

diff --git a/cinder/volume/drivers/ibm/storwize_svc/__init__.py b/cinder/volume/drivers/ibm/storwize_svc/__init__.py
index 62ad086cf..62d2c7d59 100644
--- a/cinder/volume/drivers/ibm/storwize_svc/__init__.py
+++ b/cinder/volume/drivers/ibm/storwize_svc/__init__.py
@@ -894,8 +894,9 @@ class StorwizeSVCDriver(san.SanDriver):
 
             # If volume is replicated, can't copy
             if new_type_replication:
-                msg = (_('Unable to retype: Volume %s is replicated.'),
-                       volume['id'])
+                msg = (_('Unable to retype: Current action needs volume-copy,'
+                         ' it is not allowed when new type is replication.'
+                         ' Volume = %s'), volume['id'])
                 raise exception.VolumeDriverException(message=msg)
 
             retype_iogrp_property(volume,