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.
this would add entries for the new and old drive's ;), so after
removing the old drive, you need to run the grub auto-thingy again, to
get rid of the entries related to the old drive.