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xen-users
RE: [Xen-users] Windows Performance Monitor on a Win2003R2 DomU
I'm using Qemu emulated drivers. I am under the impression that paravirtualized
drivers are not an option for Windows guests.
--
Eric Robinson
-----Original Message-----
From: Pasi Kärkkäinen [mailto:pasik@xxxxxx]
Sent: Thursday, May 07, 2009 2:56 AM
To: Robinson, Eric
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Windows Performance Monitor on a Win2003R2 DomU
On Wed, May 06, 2009 at 01:50:30PM -0700, Robinson, Eric wrote:
> I have 3 Windows terminal servers. The two physical servers have
> average disk queue lengths around 1-2, which is normal for a RAID 1
> server. The third Windows terminal server is a Xen DomU. When I run
> perfmon on it, average disk queue lengths are 20,000+. What the heck
> accounts for the difference? That number has to be spurious. There's
> no way the disk queue could really be that high.
>
Are you using Qemu emulated disk devices/drivers (default), or optimized
(paravirtualized) drivers?
-- Pasi
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