This problem has happened again. Updating 16.04 instances on AWS, it upgrades 'grub-pc' and displays the missing disk error and tries to push the user into installing grub on one or more disks. If you resist the prompts and do not install, no harm seems to occur. Really misleading prompt though.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/751057 Title: grub-pc upgrade on Amazon EC2: The GRUB boot loader was previously installed to a disk that is no longer present, or whose unique identifier has changed for some reason. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-on-ec2/+bug/751057/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
