（11）ceph 告警：1 slow ops, oldest one blocked for

（1）ceph告警提示：1 slow ops, oldest one blocked for

[root@node143 ~]# ceph -s
  cluster:
    id:     58a12719-a5ed-4f95-b312-6efd6e34e558
    health: HEALTH_WARN
            1 slow ops, oldest one blocked for 1416 sec, mon.node142 has slow ops

  services:
    mon: 2 daemon, quorum node140,node142 (age 8d)
    mgr: admin(active, since 8d), standbys: node140
    mds: cephfs:1 {0=node140=up:active} 1 up:standby
    osd: 22 osds: 22 up (since 23m), 18 in (since 29m)

  data:
    pools:   5 pools, 768 pgs
    objects: 2.65k objects, 9.9 GiB
    usage:   53 GiB used, 12 TiB / 12 TiB avail
    pgs:     768 active+clean

（2）檢查ntpd服務

[root@node143 ~]# systemctl status  ntpd
[root@node143 ~]# systemctl start ntpd     #新增的節點沒有啓動ntpd

（3）重啓monitor服務node140 node142 的monitor

[root@node140 ceph]# systemctl  restart  ceph-mon.target
[root@node140 ceph]# systemctl  status ceph-mon.target
[root@node142 ceph]# systemctl  restart  ceph-mon.target
[root@node142 ceph]# systemctl  status ceph-mon.target

（4）檢查集羣已經恢復

[root@node140 ceph]# ceph -s 
  cluster:
    id:     58a12719-a5ed-4f95-b312-6efd6e34e558
    health: HEALTH_OK

  services:
    mon: 2 daemon, quorum node140,node142 (age 3m)
    mgr: admin(active, since 8d), standbys: node140
    mds: cephfs:1 {0=node140=up:active} 1 up:standby
    osd: 22 osds: 22 up (since 31m), 18 in (since 36m)

  data:
    pools:   5 pools, 768 pgs
    objects: 2.65k objects, 9.9 GiB
    usage:   53 GiB used, 12 TiB / 12 TiB avail
    pgs:     768 active+clean

參考：https://blog.csdn.net/genglei1022/article/details/82461053