Can you update with the result of the following commands from all of the MONs? # ceph --admin-daemon /var/run/ceph/ceph-mon.[whatever].asok mon_status # ceph --admin-daemon /var/run/ceph/ceph-mon.[whatever].asok quorum_status On Thu, Mar 29, 2018 at 3:11 PM, Gauvain Pocentek <gauvain.pocentek@xxxxxxxxxxxxxxxxxx> wrote: > Hello Ceph users, > > We are having a problem on a ceph cluster running Jewel: one of the mons > left the quorum, and we have not been able to make it join again. The two > other monitors are running just fine, but obviously we need this third one. > > The problem happened before Jewel, when the cluster was running Infernalis. > We upgraded hoping that it would solve the problem, but no luck. > > We've validated several things: no network problem, no clock skew, same OS > and ceph version everywhere. We've also removed the mon completely, and > recreated it. We also tried to run an additional mon on one of the OSD > machines, this mon didn't join the quorum either. > > We've opened https://tracker.ceph.com/issues/23403 with logs from the 3 mons > during a fresh startup of the problematic logs. > > Is there anything we could try to do to resolve this issue? We are getting > out of ideas. > > We'd appreciate any suggestion! > > Gauvain Pocentek > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com -- Cheers, Brad _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com