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[Xen-users] GPLPV drivers and Windows 2008

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] GPLPV drivers and Windows 2008
From: Matthieu Patou <mat+Informatique.xen@xxxxxxxxx>
Date: Fri, 10 Oct 2008 00:16:42 +0400
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Hello all,

I have been testing a Windows 2008 server on xen 3.2-1 (from debian backports) on etch and I got very bad perf with GPLPV drivers with disks (I can't get more than 3/5 Mo/s).

I am quite sure that I have drivers enabled because device manager show them and report them as working correctly. The difference between a normal installation and my Xen one is that I do not have access to write caching optimization (the option "Enable write caching on the disk" is not present at all).

Is there something I should do ?
I am running 0.9.11pre17 GPLPV drivers.

Cheers.

Matthieu.

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