I believe it gets it from /etc/fstab, which is why you need to update the /etc/fstab on sdc7 to list the new uuid you gave to sdc7 instead of the old uuid of sdc1.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1012025 Title: update-grub not reading UUID's properly To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1012025/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs