ubuntu 12.04 failed to install grub

[rath3r]

Installing ubuntu 12.04 on Raid 2 disk hardrive was successful until the very end.

At this point the install failed at installing the bootloader.

I beleive the problem is with the raid array.

I'm not sure how to give extra information.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: ubiquity 2.10.16
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic-pae 3.2.14
Uname: Linux 3.2.0-23-generic-pae i686
ApportVersion: 2.0.1-0ubuntu5
Architecture: i386
CasperVersion: 1.315
Date: Thu May 3 22:37:22 2012
InstallCmdLine: BOOT_IMAGE=(loop)/casper/vmlinuz root=UUID=40C1-0CFD debian-installer/language=en keyboard-configuration/layoutcode=gb iso-scan/filename=/ubuntu-12.04-desktop-i386.iso boot=casper file=/cdrom/preseed/ubuntu.seed noprompt quiet splash --
LiveMediaBuild: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
ProcEnviron:
 LANGUAGE=en_IE.UTF-8
 TERM=unknown
 PATH=(custom, no user)
 LANG=en_IE.UTF-8
 SHELL=/bin/bash
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.