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

[[email?protected] ~]# 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）检查ntpd服务

[[email?protected] ~]# systemctl status  ntpd
[[email?protected] ~]# systemctl start ntpd     #新增的节点没有启动ntpd

（3）重启monitor服务node140 node142 的monitor

[[email?protected] ceph]# systemctl  restart  ceph-mon.target
[[email?protected] ceph]# systemctl  status ceph-mon.target
[[email?protected] ceph]# systemctl  restart  ceph-mon.target
[[email?protected] ceph]# systemctl  status ceph-mon.target

（4）检查集群已经恢复

[[email?protected] ceph]# ceph -s 
  cluster:
    id:     58a12719-a5ed-4f95-b312-6efd6e34e558
    health: HEALTH_OK

  services:
    mon: 2 daemon,node142 (age 3m)
    mgr: admin(active,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,12 TiB / 12 TiB avail
    pgs:     768 active+clean

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