On Sun, Aug 4, 2013 at 12:13 AM, Sage Weil <s...@inktank.com> wrote: > On Sat, 3 Aug 2013, Yu Changyuan wrote: > > I run a tiny ceph cluster with only one monitor. After a reboot the > system, > > the monitor refuse to start. > > I try to start ceph-mon manually with command 'ceph -f -i a', below is > > first few lines of the output: > > > > starting mon.a rank 0 at 192.168.1.10:6789/0 mon_data > > /var/lib/ceph/mon/ceph-a fsid 554bee60-9602-4017-a6e1-ceb6907a218c > > mon/AuthMonitor.cc: In function 'virtual void > > AuthMonitor::update_from_paxos()' thread 7f9e3b0db780 time 2013-08-03 > > 20:27:29.208156 > > mon/AuthMonitor.cc: 147: FAILED assert(ret == 0) > > > > The full log is at: > https://gist.github.com/yuchangyuan/0a0a56a14fa4649ec2c8 > > This is 0.61.1. Can you try again with 0.61.7 to rule out anything there? >
I just tried 0.61.7, still out of luck. Here is the log: https://gist.github.com/yuchangyuan/34743c0abf1bfd8ef243 > > So, are there any way to make the monitor work again? > > > > I have a backup of /var/lib/ceph/mon/ceph-a in 2013-08-01, and success > > start the monitor with these files, > > but rados and other command not work because osd keep saying the monitor > is > > the wrong node(that's right, it's actually the node 2 days ago). > > In general that is not going to work well as the cluster does not like to > warp back in time. If it does not start with .7 (I suspect it won't), can > you send us a tarball of the mon data directory so we can see what is > awry? OK, I will send the tarball of /var/lib/ceph/mon/ceph-a to you directly. > > sage -- Best regards, Changyuan
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