On Mon, 17 Oct 2016 21:11:23 +0200, Ralf Mardorf wrote: >you could simply > >sudo systemd-nspawn -bqD /mnt/ > >from the existing install and run the commands required for your >bootloader of choice, assuming this grub auto thingy does generate UUID >based entries and your fstab (if you still should use fstab at all) >does contain those, too, since sdx would change from x=b to x=a, if you >remove the old drive. Did I misunderstand something? Sure, if not both drives should be connected, you need a live media to install grub. My apologies.