On 12/10/2015 04:00 AM, deeepdish wrote: > Hello, > > I encountered a strange issue when rebuilding monitors reusing same > hostnames, however different IPs. > > Steps to reproduce: > > - Build monitor using ceph-deploy create mon <hostname1> > - Remove monitor > via http://docs.ceph.com/docs/master/rados/operations/add-or-rm-mons/ > (remove monitor) — I didn’t realize there was a ceph-deploy mon destroy > command at this point. > - Build a new monitor on same hardware using ceph-deploy create mon > <hostname1a> # reason = to rename / change IP of monitor as per above link > - Monitor ends up in probing mode. When connecting via the admin > socket, I see that there are no peers avail. > > The above behavior of only when reinstalling monitors. I even tried > reinstalling the OS, however there’s a monmap embedded somewhere causing > the previous monitor hostnames / IPs to conflict with the new monitor’s > peering ability. > [root@b02s08 ~]# > > On a reinstalled (not working) monitor: > > sudo ceph --cluster=ceph --admin-daemon > /var/run/ceph/ceph-mon.smg01.asok mon_status > { > "name": "smg01", > "rank": 0, > "state": "probing", > "election_epoch": 0, > "quorum": [], > "outside_quorum": [ > "smg01" > ], > "extra_probe_peers": [ > "10.20.1.8:6789\/0", > "10.20.10.14:6789\/0", > "10.20.10.16:6789\/0", > "10.20.10.18:6789\/0", > "10.20.10.251:6789\/0", > "10.20.10.252:6789\/0" > ], [snip] > } This appears to be consistent with a wrongly populated 'mon_host' and 'mon_initial_members' in your ceph.conf. -Joao _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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