Il 22/nov/2013 21:00 "Itamar  ha scritto
>> Both are configured with one virtio disk.
>> In CentOS 5 I can add a disk and select virtio-scsi... but I can't use
>> it because of no support in 5.x kernels.
>> In CentOS 6.4 I'm not presented with the option virtio-scsi.
>> What can I do to get it?
>
>
> did you do a clean install of the guest OS to a virtio-scsi disk?
>
As I wrote above,  both installed with only one disk as virtio.
C5 right after update to 3.3.1
C6 before.
Both powered on.
In c5 I have chance to add virtio-scsi in drop down menu (even if then I cannot use it due to missing driver it seems); in c6 I only have ide and virtio...