On Thu, Oct 11, 2012 at 03:33:23PM +0200, Tiziano Müller wrote: > One test case was: > * xfs_repair /dev/vda2 -> corruptions found and fixed > * xfs_repair /dev/vda2 -> no corruptions found
>From here... > * mount /dev/vda2 /mnt/something > * find /mnt/something > /dev/null > * umount /mnt/something ...to here is mostly read-only. > * xfs_repair /dev/vda2 -> corruptions found again And yet corruptions are reported inside the guest! Can you retry with "mount -o ro" just for sanity? If you still see corruptions when the device was mounted read-only, then perhaps the mount/find/umount sequence itself is innocent. Have you tried raw image files? In other words, do you know that the corruption only happens with qcow2? Stefan