ceph luminous 12.2.12 HEALTH_WARN

1，ceph luminous 12.2.12 HEALTH_WARN

    health: HEALTH_WARN
            application not enabled on 1 pool(s)

# ceph health detail
HEALTH_WARN application not enabled on 1 pool(s)
POOL_APP_NOT_ENABLED application not enabled on 1 pool(s)
    application not enabled on pool 'rbd'
    use 'ceph osd pool application enable <pool-name> <app-name>', where <app-name> is 'cephfs', 'rbd', 'rgw', or freeform for custom applications.

# rbd ls rbd
diskceph

# ceph osd pool application enable rbd diskceph
enabled application 'diskceph' on pool 'rbd'

#ceph -s
health: HEALTH_OK

reference:

1. Ceph about some of the problems and solutions