On Aug 26, 2012, at 2:32 AM, Stefan Ring <stefanrin@xxxxxxxxx> wrote: > Today I had some data loss with an XFS filesystem, apparently because > it does not write everything to disk during unmount. Yesterday, I shut > down my machine for the night. My XFS lives on an iSCSI volume which I > shut down shortly, but not instantly, after unmounting the XFS > filesystem. There has been no noticable disk activity after the > umount. Today, some recently written files all had size zero. > Additional indicators that something is amiss is, that during startup, > when mounting the XFS filesystem, it would often claim that it has > done log recovery, which should not be the case if it had been > unmounted correctly. Also, when I just mount and unmount the > filesystem repeatedly, I would at least expect "ending clean mount" > messages in dmesg, like I get on CentOS 6. Not so on my system. > > This is with kernel 3.5.2-3.fc17 from Fedora. Is there a known problem? > Do you have barriers on and does iscsi pass them through to the target, and does the target propagate them to the disk itself? Eric > _______________________________________________ > xfs mailing list > xfs@xxxxxxxxxxx > http://oss.sgi.com/mailman/listinfo/xfs > _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs