2011-12-22 13:59:14,235 ERROR nova [-] Cannot confirm tmpfile at /var/lib/nova/instances is on same shared storage between cpcaserver4 and cpcaserver6.
2011-12-22 13:59:14,235 ERROR nova.rpc [-] Exception during message handling
(nova.rpc): TRACE: Traceback (most recent call last):
(nova.rpc): TRACE:   File "/usr/lib/python2.7/dist-packages/nova/rpc/impl_kombu.py", line 620, in _process_data
(nova.rpc): TRACE:     rval = node_func(context=ctxt, **node_args)
(nova.rpc): TRACE:   File "/usr/lib/python2.7/dist-packages/nova/scheduler/manager.py", line 103, in _schedule
(nova.rpc): TRACE:     host = real_meth(*args, **kwargs)
(nova.rpc): TRACE:   File "/usr/lib/python2.7/dist-packages/nova/scheduler/driver.py", line 105, in schedule_live_migration
(nova.rpc): TRACE:     dest, block_migration)
(nova.rpc): TRACE:   File "/usr/lib/python2.7/dist-packages/nova/scheduler/driver.py", line 199, in _live_migration_common_check
(nova.rpc): TRACE:     self.mounted_on_same_shared_storage(context, instance_ref, dest)
(nova.rpc): TRACE:   File "/usr/lib/python2.7/dist-packages/nova/scheduler/driver.py", line 367, in mounted_on_same_shared_storage
(nova.rpc): TRACE:     raise exception.FileNotFound(file_path=filename)
(nova.rpc): TRACE: FileNotFound: File tmpv1oiVv could not be found.
(nova.rpc): TRACE:
2011-12-22 13:59:14,236 ERROR nova.rpc [-] Returning exception File tmpv1oiVv could not be found. to caller
2011-12-22 13:59:14,236 ERROR nova.rpc [-] ['Traceback (most recent call last):\n', '  File "/usr/lib/python2.7/dist-packages/nova/rpc/impl_kombu.py", line 620, in _process_data\n    rval = node_func(context=ctxt, **node_args)\n', '  File "/usr/lib/python2.7/dist-packages/nova/scheduler/manager.py", line 103, in _schedule\n    host = real_meth(*args, **kwargs)\n', '  File "/usr/lib/python2.7/dist-packages/nova/scheduler/driver.py", line 105, in schedule_live_migration\n    dest, block_migration)\n', '  File "/usr/lib/python2.7/dist-packages/nova/scheduler/driver.py", line 199, in _live_migration_common_check\n    self.mounted_on_same_shared_storage(context, instance_ref, dest)\n', '  File "/usr/lib/python2.7/dist-packages/nova/scheduler/driver.py", line 367, in mounted_on_same_shared_storage\n    raise exception.FileNotFound(file_path=filename)\n', 'FileNotFound: File tmpv1oiVv could not be found.\n']
2011-12-22 14:00:13,545 DEBUG nova [-] Updating zone cache from db. from (pid=30533) ping /usr/lib/python2.7/dist-packages/nova/scheduler/zone_manager.py:193
2011-12-22 14:01:13,552 DEBUG nova [-] Updating zone cache from db. from (pid=30533) ping /usr/lib/python2.7/dist-packages/nova/scheduler/zone_manager.py:193
2011-12-22 14:02:13,564 DEBUG nova [-] Updating zone cache from db. from (pid=30533) ping /usr/lib/python2.7/dist-packages/nova/scheduler/zone_manager.py:193
2011-12-22 14:03:13,575 DEBUG nova [-] Updating zone cache from db. from (pid=30533) ping /usr/lib/python2.7/dist-packages/nova/scheduler/zone_manager.py:193
2011-12-22 14:04:13,585 DEBUG nova [-] Updating zone cache from db. from (pid=30533) ping /usr/lib/python2.7/dist-packages/nova/scheduler/zone_manager.py:193
2011-12-22 14:05:13,594 DEBUG nova [-] Updating zone cache from db. from (pid=30533) ping /usr/lib/python2.7/dist-packages/nova/scheduler/zone_manager.py:193
2011-12-22 14:06:13,605 DEBUG nova [-] Updating zone cache from db. from (pid=30533) ping /usr/lib/python2.7/dist-packages/nova/scheduler/zone_manager.py:193
2011-12-22 14:07:13,614 DEBUG nova [-] Updating zone cache from db. from (pid=30533) ping /usr/lib/python2.7/dist-packages/nova/scheduler/zone_manager.py:193
2011-12-22 14:08:13,619 DEBUG nova [-] Updating zone cache from db. from (pid=30533) ping /usr/lib/python2.7/dist-packages/nova/scheduler/zone_manager.py:193
2011-12-22 14:09:13,623 DEBUG nova [-] Updating zone cache from db. from (pid=30533) ping /usr/lib/python2.7/dist-packages/nova/scheduler/zone_manager.py:193
2011-12-22 14:10:13,631 DEBUG nova [-] Updating zone cache from db. from (pid=30533) ping /usr/lib/python2.7/dist-packages/nova/scheduler/zone_manager.py:193
2011-12-22 14:11:13,638 DEBUG nova [-] Updating zone cache from db. from (pid=30533) ping /usr/lib/python2.7/dist-packages/nova/scheduler/zone_manager.py:193
2011-12-22 14:12:13,642 DEBUG nova [-] Updating zone cache from db. from (pid=30533) ping /usr/lib/python2.7/dist-packages/nova/scheduler/zone_manager.py:193
2011-12-22 14:13:13,649 DEBUG nova [-] Updating zone cache from db. from (pid=30533) ping /usr/lib/python2.7/dist-packages/nova/scheduler/zone_manager.py:193