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Re: XFS file system corruption(Return Bad Transaction) kernel - 2.6.34

To: Amit Sahrawat <amit.sahrawat83@xxxxxxxxx>
Subject: Re: XFS file system corruption(Return Bad Transaction) kernel - 2.6.34
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Wed, 01 Dec 2010 08:55:03 -0600
Cc: xfs@xxxxxxxxxxx, sandeen-xfs@xxxxxxxxxxx
In-reply-to: <AANLkTikzCpQ1j9uWGSTY9TEguVDvAB5AVYtbDtdePFci@xxxxxxxxxxxxxx>
References: <AANLkTikzCpQ1j9uWGSTY9TEguVDvAB5AVYtbDtdePFci@xxxxxxxxxxxxxx>
User-agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.12) Gecko/20101027 Thunderbird/3.1.6
On 12/1/10 1:14 AM, Amit Sahrawat wrote:
> Dear Member,
>  
> I am getting following corruption on XFS formatted disk during a simple copy 
> operation:
> sd 9:0:0:0: Attached scsi removable disk sdc
> sd 9:0:0:0: Attached scsi generic sg2 type 0
> XFS mounting filesystem sdc2
> Starting XFS recovery on filesystem: sdc2 (logdev: internal)
> XFS: xlog_recover_process_data: bad transaction
> XFS: log mount/recovery failed: error 5
> XFS: log mount failed

hm, that's not a simple copy operation, that is a mount failing;
your log appears to be corrupted.

offhand I'm going to blame it on having a write cache enabled
on your drive, and having barriers either off, or not working
properly.

-Eric

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