You need to install grub to each underlying physical disk, not the raid array.
** Changed in: grub2 (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/701351 Title: grub-install fails to install on a raid1 array To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/701351/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs