** Changed in: nova
Status: Fix Committed => Fix Released
** Changed in: nova
Milestone: None => juno-3
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https://bugs.launchpad.net/bugs/1346385
Title:
libvirt: live migration stopped working after shared storage pacthes
Status in OpenStack Compute (Nova):
Fix Released
Bug description:
Live migration has stopped working with NFS shared storage, after this patch
has been submitted:
https://review.openstack.org/#/c/91722, as one of the new checks doesn't take
into account the file based shared storage.
2014-07-17 16:14:14.276 50785 ERROR oslo.messaging.rpc.dispatcher [-]
Exception during message handling: local variable 'instance_dir' referenced
before assignment
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher Traceback
(most recent call last):
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 133,
in _dispatch_and_reply
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher
incoming.message))
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 176,
in _dispatch
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher return
self._do_dispatch(endpoint, method, ctxt, args)
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line 122,
in _do_dispatch
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher result
= getattr(endpoint, method)(ctxt, **new_args)
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 393, in
decorated_function
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher return
function(self, context, *args, **kwargs)
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/dist-packages/nova/exception.py", line 88, in wrapped
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher payload)
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/dist-packages/nova/openstack/common/excutils.py", line 68,
in __exit__
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher
six.reraise(self.type_, self.value, self.tb)
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/dist-packages/nova/exception.py", line 71, in wrapped
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher return
f(self, context, *args, **kw)
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 303, in
decorated_function
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher e,
sys.exc_info())
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/dist-packages/nova/openstack/common/excutils.py", line 68,
in __exit__
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher
six.reraise(self.type_, self.value, self.tb)
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 290, in
decorated_function
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher return
function(self, context, *args, **kwargs)
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 4465, in
pre_live_migration
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher
migrate_data)
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher File
"/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 4585, in
pre_live_migration
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher
self._create_images_and_backing(context, instance, instance_dir,
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher
UnboundLocalError: local variable 'instance_dir' referenced before assignment
2014-07-17 16:14:14.276 50785 TRACE oslo.messaging.rpc.dispatcher
2014-07-17 16:14:14.280 50785 ERROR oslo.messaging._drivers.common [-]
Returning exception local variable 'instance_dir' referenced before assignment
to caller
2014-07-17 16:14:14.280 50785 ERROR oslo.messaging._drivers.common [-]
['Traceback (most recent call last):\n', ' File
"/usr/lib/python2.7/dist-packages/oslo/messaging/rpc/dispatcher.py", line
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