On 17/11/2010, at 5:38 PM, Osier Yang wrote: > 于 2010年11月16日 21:30, Chris Phillips 写道: >> Hi, >> >> Simple question that I can't track down any notable discussion about, >> let alone an answer... >> >> Is it possible to define what the "default" nic and storage types are? >> I am deploying images out of cobbler using koan and all of them are >> running virtio wherever applicable, but this is not the default, and >> at present there is no way within koan or cobbler to define what type >> of devices they should be. I've hard coded this device type >> declaration into koan, but don't like that in the slightest, and would >> typically expect to be able to just set "default=virtio" in a libvirt >> config file somewhere. >> >> I fear I'm actually not missing anything and it's just hard coded for >> the most compatible device with no recourse to override it. >> > > It seems reasonable to add a new preference in "/etc/libvirt/qemu.conf". > Now libvirt use "ide" as the bus type for disk device if it fails on > the series detections. Might also be well placed as something in the "to be written" user preferences file too, so each user can specific their own defaults.