On 13.10.2011 13:05, benoit ROUSSELLE wrote: > Hello, > > Can someone running with virtio tell me if this is normal to have such > a difference with dd between host and guest machine ? > host dd is 500MB/s > guest dd is 150MB/s > > All other questions are optionnal for now :D Well, one question is mandatory: what is your kvm command line? Without it, there's no way to answer any other questions. /mjt -- 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