The installation process is well documented here,
Ubuntu Installation Guide.
However, I can provide an overview of the steps I took which follow those for creating a dual-boot system installed on a single hard drive. Everything is standard here with the caveat of the
IRST. You will need to use the
dmraid command prior to running the
Ubuntu Installer so that it will be able to see the partitions on the drive because otherwise with the raid metadata in place it will see the drive as part of a raid set and ignore its partitions.
With that in mind, here are the steps:
- Re-partition your drive to make room for Ubuntu. There are several ways to do this. I used the Windows Disk Management tool to shrink the main Windows partition. The process is documented here, Easily Shrink a Volume on a Windows 7 Disk.
- Boot into the Ubuntu Live CD. I believe it will ask you if you want to install or try Ubuntu, click "Try Ubuntu".
- Open a terminal.
- Run the command sudo dmraid -E -r /dev/sda
- Run the desktop installer; I believe there is an icon on the desktop to launch it. There is a basic overview of the desktop installer here, Installing Ubuntu Desktop.
- When you come to the step for partitioning you'll select the "Something else" option. I forgot what the screens look like after this but basically you want to select the unallocated partition that resulted from shrinking the Windows partition and create the Ubuntu partitions in it. I only chose to create the root (/) and swap partitions and didn't bother with creating separate partitions for /home, /usr, /var & /tmp. Again I don't remember exactly what the screens say but I remember the installer making it very straight forward.
- Once you're finished creating and selecting the partitions just follow the rest of the steps and you're done.
- Refer to my previous post for re-enabling the IRST.
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