How to recover data from an xfs partition

[Ben Myers]

Niccolo,

On Sat, May 12, 2012 at 07:28:31PM +0200, Niccolò Belli wrote:
> root at firewall:~# xfs_repair /dev/loop51
> Phase 1 - find and verify superblock...
> bad primary superblock - bad magic number !!!
> 
> attempting to find secondary superblock...
> ................................................................................found
> candidate secondary superblock...
> unable to verify superblock, continuing...
> .............
> [...]
> ....................................Sorry, could not find valid
> secondary superblock
> Exiting now.
> 
> 
> How can I restore my data?

I recommend you give it a shot with the latest xfsprogs.  However, it may be
that your filesystem has been corrupted beyond repair.

-Ben