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Re: XFS on x86_64 Linux Question

To: Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx>
Subject: Re: XFS on x86_64 Linux Question
From: Andi Kleen <andi@xxxxxxxxxxxxxx>
Date: 28 Apr 2007 19:32:11 +0200
Cc: xfs@xxxxxxxxxxx, linux-raid@xxxxxxxxxxxxxxxxxxxxxxxxxxxx
In-reply-to: <Pine.LNX.4.64.0704280633510.7998@xxxxxxxxxxxxxxxx>
References: <Pine.LNX.4.64.0704280633510.7998@xxxxxxxxxxxxxxxx>
Sender: xfs-bounce@xxxxxxxxxxx
User-agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3
Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx> writes:

> Had a quick question, if I re-provision a host with an Intel Core Duo
> CPU with x86_64 Linux; I create a software raid array and use the XFS
> filesystem-- all in 64bit space...
> 
> If I boot a recovery image such as Knoppix, it will not be able to
> work on the filesystem correct?  I would need a 64bit live CD?

There used to be a XFS bug that 32bit journals couldn't 
be replayed on 64bit and vice versa. This means you couldn't mount
a dirty file system on the other architecture. But this bug has been 
long fixed and mounting clean file systems always worked.

-Andi


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