On Sat, Feb 10, 2007 at 09:45:07AM -0800, Jim Klein wrote: > >> > >>On Thursday 08 February 2007 10:08am, Jim Klein wrote: > >> > >>>Anyone been able to get the PV drivers from Xensource to work on an > >>>FC6 created HVM. Performance is rather sluggish, even on 64bit, > >>>without these, yet they don't seem to want to work here. Or, > >>>alternatively, is Red Hat working on their own? The HVM IO is really > >>>a bit too slow for most production use without them. > >>> > >> > >> > >>On Thu, 8 Feb 2007 11:26am, Lamont Peterson wrote: > >> > >>>I don't believe that you can do this. > >>> > >>>But, I'm wondering what OS you're trying to run on the HVM DomU. > >>>If it's > >>>Linux, use a paravirtualized DomU. You'll get much better > >>>performance > >>>(especially on things like I/O). > >>> > >>>HVM adds some emulation overhead and, thus, is slower than PV. > >>>HVM is only > >>>necessary to run an OS for which no paravirtualized kernel is > >>>available. > >>>-- > >>>Lamont Peterson <lamont@xxxxxxxxxxxx> > >>>Senior Instructor > >>>Guru Labs, L.C. [ http://www.GuruLabs.com/ ] > >>> > >> > >>All my Linux guests are PV (been running Xen in production for 7 > >>months - far longer > >>in testing.) I'm talking about Windows guests, which is why I > >>would need PV drivers to work. > >>Am running 64bit Dom0 to alleviate some of the pain, but I/O is > >>still too slow for anything > >>but lightweight applications. We're a RHEL shop, so would prefer > >>to use RHEL as a base over > >>XenSource Commercial, but it looks like I may have to go that > >>route if noone else is working > >>on PV drivers for Windows guests. > >> > >> > > > >Interesting point is the fact that Novell will ship Windows PV > >drivers in > >SLES 10 SP1 when it's released in May 2007.. > > > >-- Pasi > > > > If only SLES didn't suck - and Novell actually kept their promises. > But I could be wrong, maybe they'll be better now that they have > reliable partners like Microsoft... > "Novell and Intel plan to announce Monday software that improves the performance of Windows running atop the Xen virtualization software." http://news.com.com/Novell+offers+faster+virtualized+Windows/2100-1012_3-6158196.html I guess that means PV drivers for windows.. -- Pasi -- Fedora-xen mailing list Fedora-xen@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-xen
