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现象：
Ceph集群健康状态提示“pool(s) do not have an application enabled”
[root@ceph1 ~]# ceph -s
cluster:
id: 65eec0fe-7b48-11ef-8331-0050562d5487
health: HEALTH_WARN
1 pool(s) do not have an application enabled
services:
mon: 3 daemons, quorum ceph1,ceph3,ceph2 (age 5m)
mgr: ceph1.rayllt(active, since 18m), standbys: ceph3.vtywtw
osd: 3 osds: 3 up (since 18m), 3 in (since 3d)
data:
pools: 2 pools, 33 pgs
objects: 13 objects, 3.5 MiB
usage: 876 MiB used, 599 GiB / 600 GiB avail
pgs: 33 active+clean原因：
创建池时未配置应用程序导致
解决：
1、通过命令（ceph health detail）查看提示对应的池名称
[root@ceph1 ~]# ceph health detail
HEALTH_WARN 1 pool(s) do not have an application enabled
[WRN] POOL_APP_NOT_ENABLED: 1 pool(s) do not have an application enabled
application not enabled on pool 'rbd'
use 'ceph osd pool application enable ', where is 'cephfs', 'rbd', 'rgw', or freeform for custom applications. 2、通过命令（ceph osd pool application enable PoolName cephfs|rbd|rgw）启用解决
[root@ceph1 ~]# ceph osd pool application enable rbd rbd
enabled application 'rbd' on pool 'rbd'
[root@ceph1 ~]# ceph -s
cluster:
id: 65eec0fe-7b48-11ef-8331-0050562d5487
health: HEALTH_OK
services:
mon: 3 daemons, quorum ceph1,ceph3,ceph2 (age 7m)
mgr: ceph1.rayllt(active, since 20m), standbys: ceph3.vtywtw
osd: 3 osds: 3 up (since 21m), 3 in (since 3d)
data:
pools: 2 pools, 33 pgs
objects: 13 objects, 3.5 MiB
usage: 876 MiB used, 599 GiB / 600 GiB avail
pgs: 33 active+clean正文完
