root@ceph-server-05:~# ceph -s
  cluster:
    id:     8a34f3c4-a8cb-46c0-b97a-18cb31bc50dc
    health: HEALTH_ERR
            21 failed cephadm daemon(s)
            Module 'diskprediction_local' has failed: No module named 'sklearn.svm.classes'
            nodown,noout,noscrub,nodeep-scrub flag(s) set
            Degraded data redundancy: 16334/708013992 objects degraded (0.002%), 451 pgs degraded, 1 pg undersized
            27 pgs not deep-scrubbed in time
            383 pgs not scrubbed in time
            238 daemons have recently crashed

  services:
    mon: 3 daemons, quorum ceph-server-04,ceph-server-05,ceph-server-06 (age 29h)
    mgr: ceph-server-04.vazijs(active, since 39h), standbys: ceph-server-06.xbhemg, ceph-server-05.ncgnoq
    mds: 1/1 daemons up, 2 standby
    osd: 51 osds: 51 up (since 17h), 51 in (since 18h); 877 remapped pgs
         flags nodown,noout,noscrub,nodeep-scrub

  data:
    volumes: 1/1 healthy
    pools:   14 pools, 1357 pgs
    objects: 79.32M objects, 310 TiB
    usage:   485 TiB used, 72 TiB / 557 TiB avail
    pgs:     16334/708013992 objects degraded (0.002%)
             147297048/708013992 objects misplaced (20.804%)
             451 active+clean
             393 active+recovery_wait+degraded+remapped
             350 active+remapped+backfill_wait
             28  active+recovering+degraded+remapped
             26  active+recovery_wait+degraded
             4   active+remapped+backfilling
             3   active+recovering+degraded
             1   active+recovery_wait+undersized+degraded+remapped
             1   active+recovering+remapped

  io:
    client:   24 MiB/s rd, 17 KiB/s wr, 8 op/s rd, 1 op/s wr
    recovery: 90 MiB/s, 23 objects/s