Re: [Xen-devel] Question about VirtIO on Xen - Disk performance issues

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

Hello Luca,

the recommended way to increase disk performance would be to use Xen PV
disks. You just need to install the Windows PV drivers:

http://www.xenproject.org/developers/teams/windows-pv-drivers.html

But using VirtIO disk should also increase performance, even though
most probably not as much.

Cheers,

Stefano

On Tue, 15 Dec 2015, Luca Tongiani wrote:
> Hi to all,
> I'm writing you this mail for asking some advice about a great problem i'm 
> havin in running a Windows VM
> (HVM) onto a Xen (Gentoo based) Hypevisor.
> 
> I need to achieve maximum performance from this VM because of intense SQL 
> tasks running in it.
> 
> I've seen good improvement in IO on disk using VirtIO on a Windows VM onto a 
> QEMU (QNAP) hypervisor, and i'm
> tryin to use this feature also on my Xen HV.
> Is VirtIO disk a good way to improve performance?
> 
> Thx in advance and hope to keep in touch
> --
> 
> Luca Tongiani
> 
> Sinte srl
> Soluzioni Informatiche e Telematiche
> via Monte Grappa 4/B
> 20900 Monza (MB)
> 
> Cel (+39) 339 745 49 21
> Tel (+39) 039 200 59 60
> Fax (+39) 039 200 69 42
> Web www.sinte.net
> 
> 
> 

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