Alert rule: CephOSDTimeoutsPublicNetwork

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OSD heartbeats on the cluster’s public network (frontend) are running slow. Investigate the network for latency or loss issues.

Steps for debugging

$ 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.