Re: [Xen-users] HVM on 3.2 kernel hdd speed issue

[Heiko Wundram <modelnine@xxxxxxxxxxxxx>]

Am 02.04.2012 11:39, schrieb Mario:
> On 04/01/2012 05:00 AM, Joseph Glanville wrote:
> > Are you using PVonHVM for your Linux guests? QEMU emulated disks 
> > aren't fast..
> > Check that you have xen_platform_pci=1 in your config file to make
> > sure PV drivers are enabled.
> I am not using PVonHVM, any more ideas?
If you want acceptable performance for disk-/net-IO on HVM guests 
(i.e., when not booting them as PV directly), you'll need to enable 
PVonHVM as Joseph wrote. I have a set of Gentoo PVonHVM DomUs running on 
Xen 4.1.2 with gentoo-sources-3.3.0, and performance is absolutely fine.
--
--- Heiko.

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