FYI: I got through it ok. In my setup, I installed GRUB on both /dev/sda and /dev/sdb, and it worked swimmingly.
How to configure GRUB loader after apt-get upgrade on Ubuntu 12.04
FYI: I got through it ok. In my setup, I installed GRUB on both /dev/sda and /dev/sdb, and it worked swimmingly.