/usr/bin/ganesha-rados-grace: unrecognized option '--help' Usage: /usr/bin/ganesha-rados-grace [ --userid ceph_user ] [ --cephconf /path/to/ceph.conf ] [ --ns namespace ] [ --oid obj_id ] [ --pool pool_id ] dump|add|start|join|lift|remove|enforce|noenforce|member [ nodeid ... ]