root@controller2:~# ceph -s
  cluster:
    id:     4a158d27-f750-41d5-9e7f-26ce4c9d2d45
    health: HEALTH_OK

  services:
    mon: 3 daemons, quorum controller1,controller2,controller3
    mgr: controller2(active)
    osd: 1404 osds: 1404 up, 1404 in
    rgw: 10 daemons active

  data:
    pools:   17 pools, 34260 pgs
    objects: 27.16 M objects, 1.0 PiB
    usage:   3.1 PiB used, 5.9 PiB / 9.1 PiB avail
    pgs:     34233 active+clean
             24    active+clean+scrubbing+deep
             3     active+clean+scrubbing

  io:
    client:   637 MiB/s rd, 563 KiB/s wr, 2.20 kop/s rd, 54 op/s wr

root@controller2:~# ceph versions
{
    "mon": {
        "ceph version 13.2.6 (7b695f835b03642f85998b2ae7b6dd093d9fbce4) mimic (stable)": 3
    },
    "mgr": {
        "ceph version 13.2.6 (7b695f835b03642f85998b2ae7b6dd093d9fbce4) mimic (stable)": 1
    },
    "osd": {
        "ceph version 13.2.6 (7b695f835b03642f85998b2ae7b6dd093d9fbce4) mimic (stable)": 1404
    },
    "mds": {},
    "rgw": {
        "ceph version 13.2.6 (7b695f835b03642f85998b2ae7b6dd093d9fbce4) mimic (stable)": 10
    },
    "overall": {
        "ceph version 13.2.6 (7b695f835b03642f85998b2ae7b6dd093d9fbce4) mimic (stable)": 1418
    }
}