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Re: Debugging file truncation problem

To: Ling Ho <ling@xxxxxxxxxxxxxxxxx>
Subject: Re: Debugging file truncation problem
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Thu, 21 Jun 2012 16:02:49 +1000
Cc: xfs@xxxxxxxxxxx
In-reply-to: <4FE27E2B.2060705@xxxxxxxxxxxxxxxxx>
References: <4FE27E2B.2060705@xxxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Wed, Jun 20, 2012 at 06:51:39PM -0700, Ling Ho wrote:
> Hello,
> 
> I am trying to debug a problem that has bugged us for the last few months.
> 
> We have set up a large storage system using GlusterFS, and XFS
> underneath it. We have 5 RHEL6.2 servers (running
> 2.6.32-220.7.1.el6.x86_64 when problem last occurred), with LSI
> 9285-8e Raid Controller with Battery Backup Unit. System memory is
> 48GB.

Perhaps you should report the problem to your RedHat support
engineer and tell them to raise a bug - it's entire possible that
the RH kernel needs this fix:

be4f1ac xfs: log all dirty inodes in xfs_fs_sync_fs

Cheers,

Dave.

-- 
Dave Chinner
david@xxxxxxxxxxxxx

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