xfs home directory went south

[Rashkae]

David Fox wrote:
> Guys, I have a real problem.
> 
> I've been running Ubuntu Hardy successfully for about a month and 1/2
> now ever since I built my new box over Memorial Day weekend.
> 
> Something really strange must have happened today because my box,
> which has been doing really well 24/7, was completely locked up when I
> came home from work. I think perhaps the box overheated. I tried to
> reboot, the first time I couldn't get past the bios so I turned it off
> and waited a bit. The second time I tried to boot I got a boat load of
> kernel panics - which likely is a sign of overheating as well, so I
> shut off again, waited a little bit more. When I finally was able to
> boot into ubuntu, I got a warning that flashed on the screen saying my
> /dev/sdc3 (xfs, home partition) was corrupt and refused to mount it.
> 
> I tried to remount it a few times, and did an xfs_repair -L on the
> filesystem and it seems to have brought some of it back, but not all.
> I was able to bring back most of it from my month old backup of home
> that I still have on another HD. But much of the filesystem seems to
> be gone - any new settings and things like what was in .mozilla are
> gone although those could be recreated as well as some source code
> directories (those were easily gotten back with svn checkouts).
> 
> However, some files that I was saving including some 30 gigs of AVIs
> are unreachable. Not only that, the "free" count of the filesystem
> seems to hint those files are there.
> 
> I'm new to xfs so I need a bit of hand holding. Is it too late to fix
> the system? I figure if I do another xfs_repair it'll hose it even
> more...
> 
> Help....
> 

All the replies so far, and everyone, including the OP, is ignoring the
elephant in the room.. Whether it was a cooling problem or not, the
computer went haywire and the only fix was "turn it off for a while to
let it cool down".. in no way should this computer have been allowed to
touch data, on drives or backups, until a full evaluation of it's
reliability was done.