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Re: [Xen-users] repeated domU filesystem corruption

  • To: Robert Rust <robert@xxxxxxxxxxxxxxx>, "xen-users@xxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxx>
  • From: Mark Pryor <tlviewer@xxxxxxxxx>
  • Date: Sun, 30 Sep 2012 18:26:48 -0700 (PDT)
  • Delivery-date: Mon, 01 Oct 2012 01:28:13 +0000
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  • List-id: Xen user discussion <xen-users.lists.xen.org>


----- Original Message -----
From: Robert Rust <robert@xxxxxxxxxxxxxxx>
To: xen-users@xxxxxxxxxxxxx
Sent: Sunday, September 30, 2012 1:44 PM
Subject: [Xen-users] repeated domU filesystem corruption

I'm being plagued by repeated corruption of file systems for a few of my 
DomUs.  I originally thought it was a failing hard drive, so I've replaced the 
hard drive but my problems continue.  I always end up with the following on the 
DomU console:
[177949.345654] EXT3-fs (xvda2): error in ext3_new_inode: IO failure
[177949.345669] Aborting journal on device xvda2.

I'm using LVMs to house my file systems.  Can anyone help me root out what the 
cause of this is?  Is it reasonable to blame software for this?

If its a newer kernel on recent ubuntu, try adding to fstab options (barrier=0)

# grep barrier /etc/fstab
/dev/xvda /               ext4    errors=remount-ro,barrier=0 0       1


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