[libvirt-users] Changing default nic and storage types

[Justin Clift]

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.