Re: Recover a XFS on raid -1 (linear) when one disk is broken

[Chris Wedgwood <cw@xxxxxxxx>]

On Thu, Jul 15, 2004 at 09:32:17PM +0200, Jan Banan wrote:

> I have a raid -1 (linear) on my RedHat Linux 9 system with XFS
> 1.2.0.  The raid consists of 4 disks where the last disk now seem to
> be broken.

ouch

backups?

> Is it possible to in some way mount this raid system so that I can
> recover the files stored on the first 3 disks of this raid -1
> (linear)?

you could replace the last disk with a sparse file and run xfs_repair,
my gut feeling is that it won't work very well though since files will
be spread over disks (maybe not badly, depends on access patterns) and
also metadata on broken disks will refer to non-broken blocks and
vice-versa


   --cw