4 slow ops, oldest one blocked for 60002 sec, mon.

[root@node-8 ~]# ceph -s
  cluster:
    id:     aa2c40ad-53bc-40a7-b7ea-74ae648c70e9
    health: HEALTH_WARN
            4 slow ops, oldest one blocked for 60002 sec, mon.node-1 has slow ops

  services:
    mon: 3 daemons, quorum node-1,node-2,node-5 (age 16h)
    mgr: node-2(active, since 12d), standbys: node-5, node-1
    osd: 40 osds: 40 up (since 3m), 40 in (since 3m)

  data:
    pools:   5 pools, 1280 pgs
    objects: 29.98k objects, 96 GiB
    usage:   27 TiB used, 521 TiB / 548 TiB avail
    pgs:     1280 active+clean

  io:
    client:   0 B/s rd, 29 KiB/s wr, 0 op/s rd, 4 op/s wr

重启ceph-mon

[root@node-1 ~]# systemctl restart ceph-mon.target

耐心等待一段时间查看状态

[root@node-1 ~]# ceph -s
  cluster:
    id:     aa2c40ad-53bc-40a7-b7ea-74ae648c70e9
    health: HEALTH_OK

  services:
    mon: 3 daemons, quorum node-1,node-2,node-5 (age 5s)
    mgr: node-2(active, since 12d), standbys: node-5, node-1
    osd: 40 osds: 40 up (since 4m), 40 in (since 4m)

  data:
    pools:   5 pools, 1280 pgs
    objects: 29.98k objects, 96 GiB
    usage:   27 TiB used, 521 TiB / 548 TiB avail
    pgs:     1280 active+clean

  io:
    client:   0 B/s rd, 24 KiB/s wr, 0 op/s rd, 2 op/s wr