2 - volumes: # attached to each instance
6 - [mon.a, mgr.x, osd.0, osd.1, osd.2, mds.a, client.a]
19 - ceph restful create-key admin
20 - ceph restful create-self-signed-cert
21 - ceph restful restart
25 - rest/test-restful.sh
28 - ceph restful delete-key admin
29 - ceph restful list-keys | jq ".admin" | grep null