Comment 1 for bug 1438599

Some cinder logs, before error:

2015-03-30 05:24:59.214 25491 DEBUG cinder.openstack.common.lockutils [req-f0cb264d-5135-49e0-abd3-ce50d00e0c3e c2b29eac704d4edd8b42a10bcffd89ca 386e7978e270447cb71bb683c9fdfbb9 - - -] Got semaphore "9e0e2fd1-d69d-4157-a76b-85d75de758a0-delete_volume" for method "lvo_inner2"... inner /usr/lib/python2.7/dist-packages/cinder/openstack/common/lockutils.py:191
2015-03-30 05:24:59.215 25491 DEBUG cinder.openstack.common.lockutils [req-f0cb264d-5135-49e0-abd3-ce50d00e0c3e c2b29eac704d4edd8b42a10bcffd89ca 386e7978e270447cb71bb683c9fdfbb9 - - -] Attempting to grab file lock "9e0e2fd1-d69d-4157-a76b-85d75de758a0-delete_volume" for method "lvo_inner2"... inner /usr/lib/python2.7/dist-packages/cinder/openstack/common/lockutils.py:202
2015-03-30 05:24:59.217 25491 DEBUG cinder.openstack.common.lockutils [req-f0cb264d-5135-49e0-abd3-ce50d00e0c3e c2b29eac704d4edd8b42a10bcffd89ca 386e7978e270447cb71bb683c9fdfbb9 - - -] Got file lock "9e0e2fd1-d69d-4157-a76b-85d75de758a0-delete_volume" at /var/lock/cinder/cinder-9e0e2fd1-d69d-4157-a76b-85d75de758a0-delete_volume for method "lvo_inner2"... inner /usr/lib/python2.7/dist-packages/cinder/openstack/common/lockutils.py:232
2015-03-30 05:24:59.260 25491 INFO cinder.volume.manager [req-f0cb264d-5135-49e0-abd3-ce50d00e0c3e c2b29eac704d4edd8b42a10bcffd89ca 386e7978e270447cb71bb683c9fdfbb9 - - -] volume 9e0e2fd1-d69d-4157-a76b-85d75de758a0: deleting
2015-03-30 05:24:59.261 25491 DEBUG cinder.volume.manager [req-f0cb264d-5135-49e0-abd3-ce50d00e0c3e c2b29eac704d4edd8b42a10bcffd89ca 386e7978e270447cb71bb683c9fdfbb9 - - -] volume 9e0e2fd1-d69d-4157-a76b-85d75de758a0: removing export delete_volume /usr/lib/python2.7/dist-packages/cinder/volume/manager.py:438
2015-03-30 05:24:59.262 25491 DEBUG cinder.volume.manager [req-f0cb264d-5135-49e0-abd3-ce50d00e0c3e c2b29eac704d4edd8b42a10bcffd89ca 386e7978e270447cb71bb683c9fdfbb9 - - -] volume 9e0e2fd1-d69d-4157-a76b-85d75de758a0: deleting delete_volume /usr/lib/python2.7/dist-packages/cinder/volume/manager.py:440
2015-03-30 05:24:59.262 25491 DEBUG cinder.volume.drivers.rbd [req-f0cb264d-5135-49e0-abd3-ce50d00e0c3e c2b29eac704d4edd8b42a10bcffd89ca 386e7978e270447cb71bb683c9fdfbb9 - - -] opening connection to ceph cluster (timeout=-1). _connect_to_rados /usr/lib/python2.7/dist-packages/cinder/volume/drivers/rbd.py:291
2015-03-30 05:24:59.374 25491 DEBUG cinder.volume.drivers.rbd [req-f0cb264d-5135-49e0-abd3-ce50d00e0c3e c2b29eac704d4edd8b42a10bcffd89ca 386e7978e270447cb71bb683c9fdfbb9 - - -] volume has no backup snaps _delete_backup_snaps /usr/lib/python2.7/dist-packages/cinder/volume/drivers/rbd.py:551
2015-03-30 05:24:59.394 25491 DEBUG cinder.volume.drivers.rbd [req-f0cb264d-5135-49e0-abd3-ce50d00e0c3e c2b29eac704d4edd8b42a10bcffd89ca 386e7978e270447cb71bb683c9fdfbb9 - - -] deleting rbd volume volume-9e0e2fd1-d69d-4157-a76b-85d75de758a0 delete_volume /usr/lib/python2.7/dist-packages/cinder/volume/drivers/rbd.py:649
2015-03-30 05:24:59.638 25491 DEBUG cinder.volume.drivers.rbd [req-f0cb264d-5135-49e0-abd3-ce50d00e0c3e c2b29eac704d4edd8b42a10bcffd89ca 386e7978e270447cb71bb683c9fdfbb9 - - -] volume is a clone so cleaning references delete_volume /usr/lib/python2.7/dist-packages/cinder/volume/drivers/rbd.py:671
2015-03-30 05:24:59.703 25491 DEBUG cinder.openstack.common.lockutils [req-f0cb264d-5135-49e0-abd3-ce50d00e0c3e c2b29eac704d4edd8b42a10bcffd89ca 386e7978e270447cb71bb683c9fdfbb9 - - -] Released file lock "9e0e2fd1-d69d-4157-a76b-85d75de758a0-delete_volume" at /var/lock/cinder/cinder-9e0e2fd1-d69d-4157-a76b-85d75de758a0-delete_volume for method "lvo_inner2"... inner /usr/lib/python2.7/dist-packages/cinder/openstack/common/lockutils.py:239