[NCLUG] XFS, "Can't read superblock"

[jeff]

Warren Turkal wrote:
> On Monday 04 December 2006 11:00, Chad Perrin wrote:
>> My father uses a Linux box as a fileserver.  The partition on which he
>> stores all the important data uses an XFS filesystem.  This weekend,
>> that filesystem, which comprises one entire hard drive, stopped working.
> 
> Well, can you dd the info off so that you can work with the copy and reduce 
> risk of destroying the original?

You may want to try `ddrescue` instead of plain old `dd` as it does a better 
job of reading when there are errors.

-Jeff