Overwritten partition

[Greg Freemyer]

On Mon, Jun 1, 2015 at 7:13 AM, Emmanuel Florac <eflorac at intellique.com>
wrote:

> Le Sun, 31 May 2015 00:48:05 +0200
> hallexh at gmail.com écrivait:
>
> > I accidentally overwritten first 40GB of 36TB XFS partition. I ran
> > xfs_repair then, which resets the superblocks (I'm sorry i didn't
> > copied the output of it) and after I mounted the partition, there was
> > no files. Empty file system, but It should be almost 90% full.
> >
> > Am I really screwed or there's a chance to recover the data somehow?
>
> At this point your best bet is to use a tool like photorec on the
> partition to see what data it can salvage, though on 36 TB sorting the
> results may be overwhelming... You'll need some other large filesystem
> to store the salvaged data, though.


Photorec doesn't recreate any filesystem metadata (filenames, directory
structure, timestamps, etc).

Hopefully you have a recent backup you can use instead of trying to go
through Photorec's results.

Greg
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