Ceph Reduced data availability: 1 pg inactive pg 1.0 is stuck inactive for 9d, current state unknown, last acting []

资料出处：https://www.cnblogs.com/jiaxzeng/p/15917582.html

报错如下：

Ceph Reduced data availability: 1 pg inactive pg 1.0 is stuck inactive for 9d, current state unknown, last acting []

问题示意：

1个pg无法使用，

修复流程：

1. 直接使用如下查看故障的pg

   [root@storage-ceph01 ~]# ceph pg dump_stuck inactive
   ok
   PG_STAT  STATE    UP  UP_PRIMARY  ACTING  ACTING_PRIMARY
   1.0      unknown  []          -1      []              -1

2. 接下来请求gp测试

   [root@storage-ceph01 ~]# ceph pg 1.0 query
   Error ENOENT: i don‘t have pgid 1.0

3. 重建pg

   [root@storage-ceph01 ~]# ceph osd force-create-pg 1.0 --yes-i-really-mean-it
   pg 1.0 now creating, ok

   

4. 验证pg状态

   [root@storage-ceph01 ~]# ceph pg 1.0 query | head
   {
   "snap_trimq": "[]",
   "snap_trimq_len": 0,
   "state": "active+clean",
   "epoch": 100,
   "up": [
       3,
       0,
       1
   ],

   

5. 查看ceph状态

[root@storage-ceph01 ~]# ceph -s
  cluster:
    id:     4d8fec26-e363-4753-b60f-49d69ab44cab
    health: HEALTH_OK

  services:
    mon: 3 daemons, quorum storage-ceph03,storage-ceph02,storage-ceph01 (age 13m)
    mgr: storage-ceph01(active, since 13m), standbys: storage-ceph02, storage-ceph03
    mds:  3 up:standby
    osd: 5 osds: 5 up (since 11m), 5 in (since 11m)

  data:
    pools:   1 pools, 1 pgs
    objects: 0 objects, 0 B
    usage:   5.1 GiB used, 340 GiB / 345 GiB avail
    pgs:     1 active+clean

重建的过程会有以下几个阶段：

• 退化阶段：
  
• 重建阶段：
  

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