root@pve:~# ceph fs dump
dumped fsmap epoch 249928
e249928
enable_multiple, ever_enabled_multiple: 0,0
compat: compat={},rocompat={},incompat={1=base v0.20,2=client writeable ranges,3=default file layouts on dirs,4=dir inode in separate object,5=mds uses versioned encoding,6=dirfrag is stored in omap,8=no anchor table,9=file layout v2,10=snaprealm v2}
legacy client fscid: 2

Filesystem 'skynet' (2)
fs_name skynet
epoch   249928
flags   1e
created 2018-12-09 23:48:16.648167
modified        2019-10-28 19:10:24.800149
tableserver     0
root    0
session_timeout 60
session_autoclose       300
max_file_size   1099511627776
min_compat_client       -1 (unspecified)
last_failure    0
last_failure_osd_epoch  160938
compat  compat={},rocompat={},incompat={1=base v0.20,2=client writeable ranges,3=default file layouts on dirs,4=dir inode in separate object,5=mds uses versioned encoding,6=dirfrag is stored in omap,8=no anchor table,9=file layout v2,10=snaprealm v2}
max_mds 1
in      0
up      {0=244468133}
failed
damaged
stopped 1,2,3,4
data_pools      [41]
metadata_pool   42
inline_data     disabled
balancer
standby_count_wanted    1
244468133:      [v2:192.168.10.41:6800/3870526244,v1:192.168.10.41:6801/3870526244] 'hulk' mds.0.249924 up:active seq 422


Standby daemons:

244498760:      [v2:192.168.10.30:6800/2114405630,v1:192.168.10.30:6801/2114405630] 'pve' mds.-1.0 up:standby seq 1


root@pve:~# ceph -s
  cluster:
    id:     836f08af-4f7e-475e-a384-a53aaabb3f8f
    health: HEALTH_WARN
            854 pgs not deep-scrubbed in time

  services:
    mon: 3 daemons, quorum bob,pve,hulk (age 8d)
    mgr: pve(active, since 8d), standbys: hulk, bob
    mds: skynet:1 {0=hulk=up:active} 1 up:standby
    osd: 156 osds: 154 up (since 2d), 154 in (since 8h)

  data:
    pools:   3 pools, 1092 pgs
    objects: 54.77M objects, 366 TiB
    usage:   463 TiB used, 118 TiB / 580 TiB avail
    pgs:     1092 active+clean

  io:
    client:   3.5 MiB/s rd, 2.8 MiB/s wr, 31 op/s rd, 9 op/s wr

root@pve:~# ceph versions
{
    "mon": {
        "ceph version 14.2.4 (65249672c6e6d843510e7e01f8a4b976dcac3db1) nautilus (stable)": 3
    },
    "mgr": {
        "ceph version 14.2.4 (65249672c6e6d843510e7e01f8a4b976dcac3db1) nautilus (stable)": 3
    },
    "osd": {
        "ceph version 14.2.4 (65249672c6e6d843510e7e01f8a4b976dcac3db1) nautilus (stable)": 154
    },
    "mds": {
        "ceph version 14.2.4 (65249672c6e6d843510e7e01f8a4b976dcac3db1) nautilus (stable)": 2
    },
    "overall": {
        "ceph version 14.2.4 (65249672c6e6d843510e7e01f8a4b976dcac3db1) nautilus (stable)": 162
    }
}