[ceph1]# rbd create -p one baz --size 256
[ceph1]# rbd -p one ls
baz
[ceph1]# rbd info -p one baz
rbd: error opening image baz: (95) Operation not supported
2013-04-11 14:24:49.991239 7fc04c3de760 -1 librbd: Error listing snapshots: (95) Operation not supported