Did you check port access from other nodes? My guess is a forgotten firewall re-emerged on that node after reboot. Sent from my iPhone > On Mar 25, 2019, at 07:26, Clausen, Jörn <jclausen@xxxxxxxxx> wrote: > > Hi again! > >> moment, one of my three MONs (the then active one) fell out of the > > "active one" is of course nonsense, I confused it with MGRs. Which are running okay, btw, on the same three hosts. > > I reverted the MON back to a snapshot (vSphere) before the upgrade, repeated the upgrade, and ended up in the same situation. ceph-mon.log is filled with ~3000 lines per second. > > The only line I can assume has any value to this is > > mon.cephtmon03@-1(probing) e1 my rank is now 2 (was -1) > > What does that mean? > > -- > Jörn Clausen > Daten- und Rechenzentrum > GEOMAR Helmholtz-Zentrum für Ozeanforschung Kiel > Düsternbrookerweg 20 > 24105 Kiel > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com