Emmanuel Florac <eflorac@...> writes: > > Le Mon, 4 May 2015 07:00:32 +0000 (UTC) > Yujian Peng <pengyujian5201314 <at> 126.com> écrivait: > > > I'm encountering a data disaster. I have a ceph cluster with 145 osd. > > The data center had a power problem yesterday, and all of the ceph > > nodes were down. But now I find that 6 disks(xfs) in 4 nodes have > > data corruption. Some disks are unable to mount, and some disks have > > IO errors in syslog. mount: Structure needs cleaning > > xfs_log_forece: error 5 returned > > I tried to repair one with xfs_repair -L /dev/sdx1, but the ceph-osd > > reported a leveldb error: > > Error initializing leveldb: Corruption: checksum mismatch > > I cannot start the 6 osds and 22 pgs is down. > > This is really a tragedy for me. Can you give me some idea to > > recovery the xfs? Thanks very much! > > For XFS problems, ask the XFS ML: xfs <at> oss.sgi.com > > You didn't give enough details, by far. What version of kernel and > distro are you running? If there were errors, please post extensive > logs. If you have IO errors on some disks, you probably MUST replace > them before going any further. > > Why did you run xfs_repair -L ? Did you try xfs_repair without options > first? Were you running the very very latest version of xfs_repair > (3.2.2) ? > The OS is ubuntu 12.04.5 with kernel 3.13.0 uname -a Linux ceph19 3.13.0-32-generic #57~precise1-Ubuntu SMP Tue Jul 15 03:51:20 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux cat /etc/issue Ubuntu 12.04.5 LTS \n \l xfs_repair -V xfs_repair version 3.1.7 I've tried xfs_repair without options, but it showed me some errors, so I used the -L option. Thanks for your reply! _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com