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Re: XFS filesystem on EC2 instance corrupts and shuts down

To: Shrinath M <shrinath.m@xxxxxxxxxx>, Sabyasachi Ruj <sabyasachi.ruj@xxxxxxxxxx>, Vivek Goel <vivek.goel@xxxxxxxxxx>, xfs@xxxxxxxxxxx
Subject: Re: XFS filesystem on EC2 instance corrupts and shuts down
From: Supratik Goswami <supratik.goswami@xxxxxxxxxx>
Date: Wed, 6 Mar 2013 18:45:10 +0530
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--
Warm Regards

Supratik


On Wed, Mar 6, 2013 at 6:42 PM, Supratik Goswami <supratik.goswami@xxxxxxxxxx> wrote:
Have we created a ticket with AWS ?

It could be an EBS issue who knows, we need to confirm that first.

--
Warm Regards

Supratik


On Wed, Mar 6, 2013 at 6:38 PM, Ric Wheeler <rwheeler@xxxxxxxxxx> wrote:
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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