Ceph_mimic WARN 排查

###有两个警告 

[root@ceph01 myceph]# ceph -s
  cluster:
    id:     3a10f3b9-4469-44a7-817a-df5cdc8e65da
    health: HEALTH_WARN
            application not enabled on 2 pool(s)
            1 pools have pg_num > pgp_num

###查看警告 detail 

[root@ceph01 myceph]# ceph health detail
HEALTH_WARN application not enabled on 2 pool(s)
POOL_APP_NOT_ENABLED application not enabled on 2 pool(s)
    application not enabled on pool 'images2'
    application not enabled on pool 'images3'
    use 'ceph osd pool application enable <pool-name> <app-name>', where <app-name> is 'cephfs', 'rbd', 'rgw', or freeform for custom applications.

SMALLER_PGP_NUM 1 pools have pg_num > pgp_num
    pool images pg_num 32 > pgp_num 23

###修复 

###enable 起来
[root@ceph01 myceph]# ceph osd pool application enable images2 --yes-i-really-mean-it
enabled application '--yes-i-really-mean-it' on pool 'images2'
[root@ceph01 myceph]# ceph osd pool application enable images3 --yes-i-really-mean-it
enabled application '--yes-i-really-mean-it' on pool 'images3'

##设置pg_num 和pgp_num 一致
[root@ceph01 ~]# ceph osd pool set images pgp_num 32
set pool 1 pgp_num to 32

###再次检查

[root@ceph01 ~]# ceph -s
  cluster:
    id:     3a10f3b9-4469-44a7-817a-df5cdc8e65da
    health: HEALTH_OK