If you are using UEFI, then it doesn't matter what you choose, but according to your original logs, your disk does not have an efi system partition. Did you use manual partitioning or did you choose the use whole disk option?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1475043 Title: raid0 gpt uefi install failed on grub installation. uefi boot problems. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub-installer/+bug/1475043/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
