I did a # ceph config-key rm mgr/cephadm/cert_store.key.grafana_key # ceph config-key rm mgr/cephadm/cert_store.key.grafana_crt and now it is working again: ceph01[0]:~# ceph orch host ls HOST ADDR LABELS STATUS ceph01.inf.ethz.ch 172.31.78.11 _admin,nfs,osd,rbd,rgw,iscsi,mds,mon,grafana,mgr ceph02.inf.ethz.ch 172.31.78.12 _admin,nfs,mgr,mds,rgw,rbd,mon,osd,grafana,iscsi ceph03.inf.ethz.ch 172.31.78.13 _admin,nfs,mgr,mds,rgw,rbd,mon,osd,grafana,iscsi ceph04.inf.ethz.ch 172.31.78.14 _admin,nfs,mgr,mds,rgw,rbd,mon,osd,grafana,iscsi ceph05.inf.ethz.ch 172.31.78.15 _admin,nfs,mgr,mds,rgw,rbd,mon,osd,grafana,iscsi 5 hosts in cluster Thank you for your help. Am 13.03.2025 um 15:51 schrieb Eugen Block:
I think it's worth a shot cleaning up those Grafana config-keys. Grafana isn't really critical, so you can try to just remove those keys and try another mgr fail.