This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


Re: Re[Xen-devel] lease 0.8.4 of GPL PV Drivers for Windows

To: jamesshirley <james.shirley@xxxxxxxxxxxxxxxxxxx>
Subject: Re: Re[Xen-devel] lease 0.8.4 of GPL PV Drivers for Windows
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Wed, 27 Feb 2008 18:23:37 +0200
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Wed, 27 Feb 2008 08:25:21 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <15708502.post@xxxxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <AEC6C66638C05B468B556EA548C1A77D0131AEB4@trantor> <15708502.post@xxxxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.5.13 (2006-08-11)
On Wed, Feb 27, 2008 at 12:33:47AM -0800, jamesshirley wrote:
> James,
> This looks very good indeed, was getting tired of waiting for redhat to put
> these out..
> I've tried this new version (only trying 0.8.3 before) with some success..
> I couldn't run update on PCI Device to uninstall 0.8.3, but manage to
> unsinstall Xen PCI Bus & install 0.8.4 with everything upgraded ok..
> Anyway I'm allways getting "Windows has finished install new devicces, The
> software that supports your device requires that you restart your
> computer.." on startup.
> I have two drives QEMU & XEN PV VBD, appearing even though I only have disk
> = ['phy:/dev/VolGroup00/tcsxis03-c,hda,w'] in my xen config file. The two
> drives look like their mapping to the same logical drive i've configured in
> I get to chkdsks on startup everytime for c: & d:
> Similar story for the ethernet, but I can disable the Realtec FV driver to
> get around this one..
> I can confirm the network latency is half on the PV driver, cool cheers,
> down to 0.100ms vs 0.200ms from the dom0, and I get full 100MB speed over a
> 100MB LAN.. and 250MB to dom0 over bridged networks.
> I'm having issues with this two disks though.. Any way to disable the FV
> QEMU drivers?
> Disk performance looks idential to FV drivers
> This is on dom0=RHEL5.1 Xen 3.1.0-53.1.4.el5 
> with domU=windows 2003 Standard + SP1

Based on the benchmarks done lately, you should get 3-4x better disk
performance with these gplpv drivers for windows...

-- Pasi

Xen-devel mailing list