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Re: xfs_force_shutdown

To: Hieu Le Trung <hieult@xxxxxxxxxxxxxxxx>
Subject: Re: xfs_force_shutdown
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Tue, 13 Oct 2009 10:48:16 -0500
Cc: xfs@xxxxxxxxxxx
In-reply-to: <CEBA5E865263FA4D8848D53D92E6A9AE0416AC65@xxxxxxxxxxxxxxxxxxxxxxx>
References: <CEBA5E865263FA4D8848D53D92E6A9AE0412EC23@xxxxxxxxxxxxxxxxxxxxxxx> <4AD32DED.4050402@xxxxxxxxxxx> <CEBA5E865263FA4D8848D53D92E6A9AE0416AB0B@xxxxxxxxxxxxxxxxxxxxxxx> <4AD493FE.6000403@xxxxxxxxxxx> <CEBA5E865263FA4D8848D53D92E6A9AE0416AC5C@xxxxxxxxxxxxxxxxxxxxxxx> <4AD49D63.9030609@xxxxxxxxxxx> <CEBA5E865263FA4D8848D53D92E6A9AE0416AC65@xxxxxxxxxxxxxxxxxxxxxxx>
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Hieu Le Trung wrote:

> How to check if barrier is supported in my environment?

There will be a mount-time message if barrier IO fails.

> If it is hardware related issue, it's fine to ignore. But currently
> there's no point to say that it is a hardware issue.

Yes, I think there is:

  <3>ata1.00: speed down requested but no transfer mode left
  <3>ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x10c00000 action 0x2
  <3>ata1.00: tag 0 cmd 0x30 Emask 0x10 stat 0x51 err 0x84 (ATA bus


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