Ceph 删除一个osd 盘报错 1 pg[1.4a7] degraded, 1 pg[1.4a7] undersized

[root@compute01 ~]# ceph -s
  cluster:
    id:     59458cbe-1086-40ee-8e6b-6ba8aea5c8e4
    health: HEALTH_WARN
            Degraded data redundancy: 34/84820 objects degraded (0.040%), 1 pg[1.4a7] degraded, 1 pg[1.4a7] undersized


  services:
    mon: 3 daemons, quorum compute01,compute02,compute03
    osd: 41 osds: 41 up, 41 in; 1 remapped pgs

  data:
    pools:   1 pools, 2048 pgs
    objects: 42410 objects, 104G
    usage:   192G used, 101896G / 102089G avail
    pgs:     34/84820 objects degraded (0.040%)
             2047 active+clean
             1    active+recovery_wait+undersized+degraded+remapped

 

##查看ceph 1.4a7 的pg map 分布
 

[root@compute01 ~]# ceph pg map 1.4a7
osdmap e4704 pg 1.4a7 (1.4a7) -> up [18,13] acting [13]

##可以看出acting 只有13 ，18 已经没有a