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

[Luca Tongiani <luca.tongiani@xxxxxxxxx>]

Hi Stefano,
im writing to you because im having issue with I/O disk in my DomU With Xen (Gentoo based system).

I tried to use the driver that you provided for the PV .

But the results are still not good , there is no way to support the use of Xen VirtIO disk ? Many thanks in advance

Luca

Il 12/16/15 12:31, Stefano Stabellini ha scritto:

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

--

Luca Tongiani

Sinte srl
Soluzioni Informatiche e Telematiche
via Monte Grappa 4/B
20900 Monza (MB)

Tel (+39) 039 200 59 60
Fax (+39) 039 200 69 42
Web www.sinte.net

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