When running tempest tests on a OpenStack deployment using cinder with LVM backend, it fails to detach volumes with following error in nova-compute.log [1]:
2017-11-06 16:14:17.292 19305 ERROR oslo_messaging.rpc.server [req-9a08bc40-feb5-429c-b634-a173ab098e06 2a31da3a626f45589558f09b98b31c39 363995dc0922480da39e31c928ba3252 - default default] Exception during message handling: OSError: [Errno 2] No such file or directory: '/dev/disk/by-id/scsi-36001405aea1be5e1bfb41b4b48791e03'
2017-11-06 16:14:17.292 19305 ERROR oslo_messaging.rpc.server Traceback (most recent call last):
2017-11-06 16:14:17.292 19305 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/server.py", line 163, in _process_incoming
2017-11-06 16:14:17.292 19305 ERROR oslo_messaging.rpc.server res = self.dispatcher.dispatch(message)
2017-11-06 16:14:17.292 19305 ERROR oslo_messaging.rpc.server File "/usr/lib/python2.7/site-packages/oslo_messaging/rpc/dispatcher.py", line 220, in dispatch
2017-11-06 16:14:17.292 19305 ERROR oslo_messaging.rpc.server return self._do_dispatch(endpoint, method, ctxt, args)
....
2017-11-06 16:14:17.292 19305 ERROR oslo_messaging.rpc.server File "/usr/lib64/python2.7/posixpath.py", line 406, in _joinrealpath
2017-11-06 16:14:17.292 19305 ERROR oslo_messaging.rpc.server path, ok = _joinrealpath(path, os.readlink(newpath), seen)
2017-11-06 16:14:17.292 19305 ERROR oslo_messaging.rpc.server OSError: [Errno 2] No such file or directory: '/dev/disk/by-id/scsi-36001405aea1be5e1bfb41b4b48791e03'
2017-11-06 16:14:17.292 19305 ERROR oslo_messaging.rpc.server
As per conversations with cinder team, this may be fixed by https://review.openstack.org/#/c/507653/ however this fix is not in any tagged release of os-brick yet. Could you send a new release so that jobs start getting this fix?
[1] https://logs.rdoproject.org/openstack-periodic/periodic-tripleo-ci-centos-7-ovb-1ctlr_1comp-featureset020-master/647d609/overcloud-novacompute-0/var/log/nova/nova-compute.log.txt.gz
