[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-users] HVM on 3.2 kernel hdd speed issue
On 04/02/2012 11:53 AM, Heiko Wundram wrote: 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. Well this was not the case on 2.6.34 dom0 kernel, and since windows HVM does not need PVonHVM, i dont understand why would linux domUs need it? m. _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxx http://lists.xen.org/xen-users
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