On 21/12/2017 19:42, Binarus wrote: > Paolo, > > this is just to report that both of your methods seem to work. In my > previous message, I have stated that the VM won't boot any more if I > change my command line as advised in your first proposal. > > While this is true at the first place, it is not an essential problem. > By adding menu=on to the -boot option, I made the VM's BIOS show a boot > menu during startup. Selecting the right boot disk there helped. You can try using "bootindex" properties to the disks in order to set the boot order. Paolo