Ceph says the health is fine:
root@cluster01:~# ceph -s
cluster:
id: 136076e3-08cb-4bc9-b438-708b9c83ea92
health: HEALTH_OK
services:
mon: 3 daemons, quorum cluster01,cluster02,cluster03 (age 25h)
mgr: cluster01(active, since 25h), standbys: cluster02, cluster03...