Alert rule: CephHealthWarning

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The cluster state has been HEALTH_WARN for more than 15 minutes. Please check ceph health detail for more information.

Steps for debugging

Check Ceph cluster status

Check Ceph for detailed information why the cluster is in HEALTH_WARN state

$ ceph_cluster_ns=syn-rook-ceph-cluster
$ kubectl -n ${ceph_cluster_ns} exec -it deploy/rook-ceph-tools -- ceph status
    id:     92716509-0f84-4739-8d04-541d2e7c3e66
    health: HEALTH_WARN (1)
            [ ... detailed information ... ] (2)
            [ ... detailed information ... ] (2)
            [ ... detailed information ... ] (2)

[ ... remaining output omitted ... ]
1 General cluster health status
2 One or more lines of information giving details why the cluster state is degraded. Only available if the cluster health isn’t HEALTH_OK.