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Re: [Xen-users] Windows Performance Monitor on a Win2003R2 DomU

from [Pasi Kärkkäinen]

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To:	"Robinson, Eric" <eric.robinson@xxxxxxxxx>
Subject:	Re: [Xen-users] Windows Performance Monitor on a Win2003R2 DomU
From:	Pasi Kärkkäinen <pasik@xxxxxx>
Date:	Thu, 7 May 2009 12:56:10 +0300
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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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[Xen-users] Windows Performance Monitor on a Win2003R2 DomU, Robinson, Eric Re: [Xen-users] Windows Performance Monitor on a Win2003R2 DomU, Pasi Kärkkäinen <= Re: [Xen-users] Windows Performance Monitor on a Win2003R2 DomU, Paweł Kiełbicki RE: [Xen-users] Windows Performance Monitor on a Win2003R2 DomU, Robinson, Eric Re: [Xen-users] Windows Performance Monitor on a Win2003R2 DomU, Pasi Kärkkäinen RE: [Xen-users] Windows Performance Monitor on a Win2003R2 DomU, Robinson, Eric Re: [Xen-users] Windows Performance Monitor on a Win2003R2 DomU, Pasi Kärkkäinen [Xen-users] Device 0 (vif) could not be connected?Thank you very much!, Turinglifer Re: [Xen-users] Device 0 (vif) could not be connected?Thank you very much!, Fajar A. Nugraha Re: [Xen-users] Device 0 (vif) could not be connected?Thank you very much!, Ananth Re: [Xen-users] Device 0 (vif) could not be connected?Thank you verymuch!, Turinglifer

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