Re: Probems with xfs_repair on large filesystem and 32bit OS.

[Andi Kleen <andi@xxxxxxxxxxxxxx>]

Christoph Hellwig <hch@xxxxxxxxxxxxx> writes:

> On Tue, Jun 10, 2008 at 08:07:18AM -0400, Lance Reed wrote:
>> SO, I take it from what you say that that I can running any newer version of 
>> xfs progs and a 64bit host (fiber attached, easy to do this), and run 
>> xfs_repair on the 32bit XFS volumes without fear of data corruption?
>> Is this because XFS is not version specific, and xfs_repair will honor the 
>> 32bit file data structures?
>
> Yes, this is fine.  All the actual filesystem structures are endian and
> 32/64bit clean.  The log needs to be in the same endianess and had 32bit
> vs 64bit problems on x86 for a while, but it needs to be recovered
> before you run xfs_repair anyway.

Actually there used to be some bugs in old versions where 32bit couldn't 
replay 64bit logs or vice versa.  Probably all fixed in uptodate kernels.

-Andi