Hi Marc, > (device "my-root")
> (device "my-boot") device should be a path to the device node and should look something like /dev/sda1 and /dev/sda2. > (name "Marc") doesn't like capitalized user-names > (title 'label) > (title 'label) remove these This should give you a working setup. Once you have a bootable setup you can always revert to a previous generation if you get a boot failure. I agree that the error messages aren't very user friendly.