ceph提示Reduced data availability

查看集群狀態

[root@storage-ceph01 ~]# ceph -s
  cluster:
    id:     4d8fec26-e363-4753-b60f-49d69ab44cab
    health: HEALTH_WARN
            Reduced data availability: 1 pg inactive
 
  services:
    mon: 3 daemons, quorum storage-ceph03,storage-ceph02,storage-ceph01 (age 3m)
    mgr: storage-ceph01(active, since 3m), standbys: storage-ceph02, storage-ceph03
    mds:  3 up:standby
    osd: 5 osds: 5 up (since 83s), 5 in (since 85s)
 
  data:
    pools:   1 pools, 1 pgs
    objects: 0 objects, 0 B
    usage:   5.1 GiB used, 340 GiB / 345 GiB avail
    pgs:     100.000% pgs unknown
             1 unknown
 
  progress:
    Rebalancing after osd.3 marked in (98s)
      [............................] 

[root@storage-ceph01 ~]# ceph health detail
HEALTH_WARN Reduced data availability: 1 pg inactive
[WRN] PG_AVAILABILITY: Reduced data availability: 1 pg inactive
    pg 1.0 is stuck inactive for 5m, current state unknown, last acting []

查看卡住的 pgs 的信息

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

查看詳細pg狀態

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

重新創建pg

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

驗證pg狀態

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

檢查集群狀態

[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