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

[Pasi Kärkkäinen <pasik@xxxxxx>]

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
> RH XEN.
> 
> 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

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