--- upgrade: - The Hitachi NAS iSCSI driver has been marked as unsupported and is now deprecated. enable_unsupported_drivers will need to be set to True in cinder.conf to continue to use it. deprecations: - The Hitachi NAS iSCSI driver has been marked as unsupported and is now deprecated. enable_unsupported_drivers will need to be set to True in cinder.conf to continue to use it. The driver will be removed in the next release.