Re: XFS filesystem on EC2 instance corrupts and shuts down

[Shrinath M <shrinath.m@xxxxxxxxxx>]

Sorry to be asking in dev thread, but Amazon seems to be clueless in this case :(

Can someone tell me where can we find the logs/output of xfs repair after this runs? We just reboot the machine when we see this and the /var/log/messages or dmesg seems to know nothing about what it repaired.

On Wed, Mar 6, 2013 at 7:55 PM, Ric Wheeler <rwheeler@xxxxxxxxxx> wrote:

I would suggest contacting Amazon's customer support channel (or the vendor you paid for the Linux instance you are running).

XFS developer list is probably not the correct forum to help you debug this :)

Good luck!

Ric

On 03/06/2013 08:12 AM, Supratik Goswami 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 <mailto: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> <mailto: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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--
Regards

Shrinath.M