Can you run the bootinfo script and give details on the raid configuration and how you installed grub?
** Changed in: grub2 (Ubuntu) Status: New => Incomplete -- 1.5 terabyte drives fail to boot https://bugs.launchpad.net/bugs/476066 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