cinder.volume.X instead of cinder.volume.drivers.X results in a deprecation warning in the cinder-volume log. https://github.com/openstack/cinder/blob/master/etc/cinder/cinder.conf.sample#L1352-L1353 Change-Id: Ica4ff79b3ccc35a9d3ff64bdc0bb89a94e7ead1f