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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Any information on this would help.<o:p></o:p></p>
<p class="MsoNormal">Openstack release is Liberty<o:p></o:p></p>
<p class="MsoNormal">Backend is Ceph release infernalis <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">When I try migrating a ceph volume from the Horizon web interface I get “<strong><span style="font-family:"Calibri",sans-serif">Error:
</span></strong>Failed to migrate volume”<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">From command line it creates a new volume instead of migrating it and error reported is Remote error: ImageExists error renaming image<o:p></o:p></p>
<p class="MsoNormal">cinder --debug migrate da3ab25b-46c4-41bd-ba57-67c8e481c8fc ostackn3@rbd#RBD<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">....<o:p></o:p></p>
<p class="MsoNormal">….<o:p></o:p></p>
<p class="MsoNormal">Transferred chunk 256 of 256 (112607K/s). _transfer_data /usr/lib/python2.7/dist-packages/cinder/<o:p></o:p></p>
<p class="MsoNormal">Terminate volume connection completed successfully.<o:p></o:p></p>
<p class="MsoNormal">Remove volume export completed successfully.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">[u'Traceback (most recent call last):\n', u' File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 142, in _ dispatch_and_reply\n executor_callback))\n',
u' File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 186 , in _dispatch\n executor_callback)\n', u' File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatcher.py",
line 129, in _do_dispatch\n result = func(ctxt, **new_args)\n', u' File "/usr/lib/python2.7/dist-packages/osprofiler/profiler.py", line 105, in
wrapper\n return f(*args, **kwargs)\n', u' File "/usr/lib/python2.7/dist-packages/cinder/volume/manager.py", line 3059, in update _migrated_volume\n volume_status)\n', u' File "/usr/lib/python2.7/dist-packages/osprofiler/profiler.py",
line 105, in wrapper\n return f(*args, **kwargs)\n', u' File "/usr/lib/python2.7/dist-packages/cinder/volume/drivers/rbd.py", line 1084, in update_migrated
_volume\n utils.convert_str(wanted_name))\n', u' File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 183, in doit\n result = proxy_call(self._autowrap, f, *args, **kwargs)\n', u' File
"/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 141, in proxy_call\n rv = execute(f, *args, **kwargs)\n', u' File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 122, in ex
ecute\n six.reraise(c, e, tb)\n', u' File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 80, in tworker\n rv = meth (*args, **kwargs)\n', u' File "/usr/lib/python2.7/dist-packages/rbd.py",
line 321, in rename\n raise make_ex(ret, \'error renaming image\')\n', u'ImageExists: error renaming image\n']. None<o:p></o:p></p>
<p class="MsoNormal">None.<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher Traceback (most recent call last):<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatche r.py", line 142, in _dispatch_and_reply<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher executor_callback))<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatche r.py", line 186, in _dispatch<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher executor_callback)<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/dispatche r.py", line 129, in _do_dispatch<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher result = func(ctxt, **new_args)<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/osprofiler/profiler.py", lin e 105, in wrapper<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher return f(*args, **kwargs)<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/cinder/volume/manager.py", l ine 1850, in migrate_volume<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher self.db.volume_update(ctxt, volume_ref['id'], updates)<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", lin e 195, in __exit__<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb)<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/cinder/volume/manager.py", l ine 1844, in migrate_volume<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher new_type_id)<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/cinder/volume/manager.py", l ine 1667, in _migrate_volume_generic<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher new_volume['id'])<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", lin e 195, in __exit__<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher six.reraise(self.type_, self.value, self.tb)<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/cinder/volume/manager.py", l ine 1652, in _migrate_volume_generic<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher error=False)<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/osprofiler/profiler.py", lin e 105, in wrapper<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher return f(*args, **kwargs)<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/cinder/volume/manager.py", l ine 1759, in migrate_volume_completion<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher orig_volume_status)<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/cinder/volume/rpcapi.py", li ne 272, in update_migrated_volume<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher volume_status=original_volume_status)<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_messaging/rpc/client.py ", line 158, in call<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher retry=self.retry)<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_messaging/transport.py" , line 90, in _send<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher timeout=timeout, retry=retry)<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqp driver.py", line 431, in send<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher retry=retry)<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher File "/usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqp driver.py", line 422, in _send<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher raise result<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher RemoteError: Remote error: ImageExists error renaming image<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher [u'Traceback (most recent call last):\n', u' File "/usr/lib/python2. 7/dist-packages/oslo_messaging/rpc/dispatcher.py",
line 142, in _dispatch_and_reply\n executor_callback))\n', u' File "/usr/lib/py thon2.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 186, in _dispatch\n executor_callback)\n', u' File "/usr/lib/python2
.7/dist-packages/oslo_messaging/rpc/dispatcher.py", line 129, in _do_dispatch\n result = func(ctxt, **new_args)\n', u' File "/usr/ lib/python2.7/dist-packages/osprofiler/profiler.py",
line 105, in wrapper\n return f(*args, **kwargs)\n', u' File "/usr/lib/python 2.7/dist-packages/cinder/volume/manager.py", line 3059, in update_migrated_volume\n volume_status)\n', u' File "/usr/lib/python2.7
/dist-packages/osprofiler/profiler.py", line 105, in wrapper\n return f(*args, **kwargs)\n', u' File "/usr/lib/python2.7/dist-pack ages/cinder/volume/drivers/rbd.py", line 1084, in update_migrated_volume\n
utils.convert_str(wanted_name))\n', u' File "/usr/lib/p ython2.7/dist-packages/eventlet/tpool.py", line 183, in doit\n result = proxy_call(self._autowrap, f, *args, **kwargs)\n', u' File
"/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 141, in proxy_call\n rv = execute(f, *args, **kwargs)\n', u' File "/us r/lib/python2.7/dist-packages/eventlet/tpool.py", line 122, in execute\n
six.reraise(c, e, tb)\n', u' File "/usr/lib/python2.7/dis t-packages/eventlet/tpool.py", line 80, in tworker\n rv = meth(*args, **kwargs)\n', u' File "/usr/lib/python2.7/dist-packages/rbd.
py", line 321, in rename\n raise make_ex(ret, \'error renaming image\')\n', u'ImageExists: error renaming image\n'].<o:p></o:p></p>
<p class="MsoNormal">2016-03-17 17:00:45.396 3319 ERROR oslo_messaging.rpc.dispatcher<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Regards<o:p></o:p></p>
<p class="MsoNormal">Rajiv Duggal<o:p></o:p></p>
<p class="MsoNormal"><a href="mailto:rduggal@dex.com">rduggal@dex.com</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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