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Fwd: [Xen-devel] disk offline with xen4.0+pvops2.6.31.13

  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: tsk <aixt2006@xxxxxxxxx>
  • Date: Tue, 27 Apr 2010 16:12:18 +0800
  • Delivery-date: Tue, 04 May 2010 07:03:41 -0700
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---------- Forwarded message ----------
From: tsk <aixt2006@xxxxxxxxx>
Date: 2010/4/27
Subject: Re: [Xen-devel] disk offline with xen4.0+pvops2.6.31.13
To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>

Hi, I'm a friend of yingbin wang, 

we take some pictures for the disk offline, in the attachment.

We did many stress test, the result is:
disk offline disappears when there is no xen hypervision in, 
when we use RHEL 5.x kernel+Xen, disk offline disappears too. It seems that redhat should add some patch to solve this problem..

disk offline appears on:
linux- + Xen-3.4.2
linux- + Xen-4.0.0
linux- + Xen-3.4.2
Fedora linux-2.6.32 + Xen-4.0.0
Suse linux- + Xen-3.4.2

The servers tested above are all with Nehalem architecture CPU.


2010/4/27 Jeremy Fitzhardinge <jeremy@xxxxxxxx>

On 04/26/2010 06:42 AM, yingbin wang wrote:
> we have just upgraded to xen4.0+kernel2.6.31.13. however, we fonud
> that disk offline in high disk IO(xen4.0+kernel2.6.31.13). but whitout
> xen4.0, we only start with kernel2.6.31.13, the disk offline didn't
> happen.
> I think it is a bug.

What is the last version of Xen which did work.

What do you mean by "disk offline"?  Are there some specific messages on
the kernel console?


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