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Re: XFS filesystem on EC2 instance corrupts and shuts down

To: Shrinath M <shrinath.m@xxxxxxxxxx>
Subject: Re: XFS filesystem on EC2 instance corrupts and shuts down
From: Ric Wheeler <rwheeler@xxxxxxxxxx>
Date: Wed, 06 Mar 2013 08:08:17 -0500
Cc: Supratik Goswami <supratik.goswami@xxxxxxxxxx>, Sabyasachi Ruj <sabyasachi.ruj@xxxxxxxxxx>, Vivek Goel <vivek.goel@xxxxxxxxxx>, xfs@xxxxxxxxxxx
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On 03/06/2013 08:03 AM, Shrinath M wrote:

On Wed, Mar 6, 2013 at 6:29 PM, Ric Wheeler <rwheeler@xxxxxxxxxx <mailto:rwheeler@xxxxxxxxxx>> wrote:

    I think that you would need to verify that the Amazon storage is not
    throwing errors - do your logs show IO errors or issues before XFS hits an
    issue?


No IO errors in /var/log/messages.
Where else should I be looking?



Feb 12 19:47:18 ip-100-0-100-1 kernel: [2541168.023638] XFS (md0): I/O Error 
Detected. Shutting down filesystem

Is an IO error from MD.

I would suggest trying to reproduce without MD in the picture first - always best to try to reproduce with the simplest setup first and work your way up the complexity ladder,

Ric

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