On Sun, Dec 16, 2012 at 08:23:02PM +0100, Paolo Bonzini wrote: > Il 16/12/2012 19:55, Andrew Cathrow ha scritto: > >> After the install and the resulting patch orgy finished, I noticed > >> that the KVM-based Windows install was running much slower than an > >> existing Windows 7 guest running under VirtualBox (on the same > >> hardware and a similiarly configured VM), which is odd since > >> sparkling new Windows installs usually tend to run much better than > >> an > > > > Where you using virtio-blk or emulated IDE? > > Also, if you're using virtio-blk, can you cut-and-paste the libvirt XML? > Check that it does not have cache='writethrough'. I have done so in my answer to Andrew's message, but I think that his help has solved my virtio-blk issue. Greetings Marc -- ----------------------------------------------------------------------------- Marc Haber | "I don't trust Computers. They | Mailadresse im Header Mannheim, Germany | lose things." Winona Ryder | Fon: *49 621 31958061 Nordisch by Nature | How to make an American Quilt | Fax: *49 621 31958062 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html