[root@node-18 etc]# ceph -s
  cluster 2a38dd1d-f270-4fb3-9369-5a6c85c0e0c4
   health HEALTH_WARN 1 mons down, quorum 0,1 node-16,node-17
   monmap e3: 3 mons at {node-16=10.29.5.2:6789/0,node-17=10.29.5.3:6789/0,node-18=10.29.5.4:6789/0}, election epoch 3874, quorum 0,1 node-16,node-17
   osdmap e465: 2 osds: 2 up, 2 in
    pgmap v1662728: 992 pgs: 992 active+clean; 65334 MB data, 175 GB used, 214 GB / 390 GB avail
   mdsmap e1: 0/0/1 up