When I ran update-manager this evening, grub-pc's configuration screen showed up once again - updated. This time, I selected /dev/sdb as well as /dev/sda and I got my My Book back. Thank you.
-- grub-pc configuration fails during update https://bugs.launchpad.net/bugs/516915 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs