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Re: Any on-disk format changes recently?

To: Asdo <asdo@xxxxxxxxxxxxx>
Subject: Re: Any on-disk format changes recently?
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Tue, 24 Nov 2009 17:22:30 -0600
Cc: xfs@xxxxxxxxxxx
In-reply-to: <4B0C2E46.1040509@xxxxxxxxxxxxx>
References: <4B0C2E46.1040509@xxxxxxxxxxxxx>
User-agent: Thunderbird 2.0.0.21 (X11/20090320)
Asdo wrote:
> Dear XFS people
> I am tracking a nasty bug for which I would need to regress the kernel 
> version from 2.6.31 down to 2.6.28 or maybe even 2.6.24.
> I have to do this on an important fileserver full of important data on 
> XFS filesystems which were created on 2.6.31.
> I also need to *write* to the XFS filesystems after regressing the kernel.
> Do you see any problems with this? Have there been on-disk format 
> changes for XFS since 2.6.24 that could trigger data loss? (or with much 
> minor concern, fail the mount?)

Nothing about the xfs disk format should cause problems when bouncing
between .24 and .31

-Eric

> Thank you
> Asdo

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