linux-kernel - Re: XFS breakage in 2.6.18-rc1

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Message-ID: <20060720090945.G1947140@wobbly.melbourne.sgi.com>
Date:	Thu, 20 Jul 2006 09:09:45 +1000
From:	Nathan Scott <nathans@....com>
To:	Torsten Landschoff <torsten@...ian.org>
Cc:	linux-kernel@...r.kernel.org, xfs@....sgi.com
Subject: Re: XFS breakage in 2.6.18-rc1

On Wed, Jul 19, 2006 at 11:14:02PM +0200, Torsten Landschoff wrote:
> On Wed, Jul 19, 2006 at 08:57:31AM +1000, Nathan Scott wrote:
> > I suspect you had some residual directory corruption from using the
> > 2.6.17 XFS (which is known to have a lurking dir2 corruption issue,
> > fixed in the latest -stable point release).
> 
> That probably the cause of my problem. Thanks for the info!
> 
> BTW: I think there was nothing important on the broken filesystems, but
> I'd like to keep what's still there anyway just in case... How would you
> suggest should I copy that data? I fear, just mounting and using cp 
> might break and shutdown the FS again, would xfsdump be more
> appropriate?

Yeah, xfsdumps not a bad idea, the interfaces it uses may well
be able to avoid the cases that trigger shutdown.  Otherwise it
is a case of identifying the problem directory inode (the inum
is reported in the shutdown trace) and avoiding that path when
cp'ing - you can match inum to path via xfs_ncheck.

> Thanks for XFS, I am using it for years in production servers!

Thanks for the kind words, they're much appreciated at times
like these. :-]

cheers.

-- 
Nathan
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