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 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). -- Best regards, Changyuan
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