On 1/21/12 4:03 AM, Christian Kildau wrote:
> I'm having some very serious issues with XFS after upgrading from a
> Linux Distro running Ubuntu 2.6.32 to 3.2.
> It seems like my filesystems are damaged after attaching them to a
> Linux 3.2 server. I am also no longer able to mount the hdd on the
> old server that is still running 2.6.32!
did you do anything else at all besides simply boot a 3.2 kernel?
Or was this a whole distro upgrade? And who knows what the installer
> 'test disk' does find the filesystem as XFS 4 and i created a 1.5TB
> dump of it to another hdd.
> (I created the xfs filesystem on the entire hdd, not on a partition,
> so /dev/sdd is not a typo)
is sdd a single disk or something like lvm/md?
what does grep sdd /proc/partitions say?
# xfs_db -c "sb 0" -c "p" /dev/sdd
> $ sudo mount -t xfs /dev/sdd /media/
> mount: /dev/sdd: can't read superblock
> [236659.912663] attempt to access beyond end of device
> [236659.912667] sdd: rw=32, want=2930277168, limit=2930275055
> [236659.912670] XFS (sdd): last sector read failed
> $ sudo xfs_check /dev/sdd
> xfs_check: error - read only 0 of 512 bytes
> $ sudo xfs_repair /dev/sdd
> Phase 1 - find and verify superblock...
> xfs_repair: error - read only 0 of 512 bytes
stracing those to see where it is failing to read might be useful.
It seems that your device has somehow shrunk out from under your fs.
> 'testdisk' does find the filesystem as XFS 4 and i created a 1.5TB dump of it
> to another hdd.
> Is there any way I can fix this? - Except restroring from backup? Because
> this IS my backup!
> see ubuntuforums.org/showthread.php?t=1910962 for more details…
> Any help is appreciated!
> Thanks in advance
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