systemctl restart openstack-cinder-volume
A dependency job for openstack-cinder-volume.service failed. See 'journalctl -xn' for details.
[root@ceph01 ~]# tail -f /var/log/messages
Nov 23 14:43:16 ceph01 systemd: Starting OpenStack Image Service (code-named Glance) API server...
Nov 23 14:43:17 ceph01 glance-api: No handlers could be found for logger "oslo_config.cfg"
Nov 23 14:43:18 ceph01 systemd: Started OpenStack Image Service (code-named Glance) API server.
Nov 23 14:47:47 ceph01 systemd: Starting Setup cinder-volume loop device...
Nov 23 14:47:47 ceph01 sh: losetup: /var/lib/cinder/cinder-volumes: failed to set up loop device: No such file or directory
Nov 23 14:47:47 ceph01 systemd: openstack-losetup.service: main process exited, code=exited, status=1/FAILURE
Nov 23 14:47:47 ceph01 systemd: Failed to start Setup cinder-volume loop device.
Nov 23 14:47:47 ceph01 systemd: Dependency failed for OpenStack Cinder Volume Server.
Nov 23 14:47:47 ceph01 systemd:
Nov 23 14:47:47 ceph01 systemd: Unit openstack-losetup.service entered failed state.