partman-auto-raid software package provides Allow preseeded RAID installs, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install partman-auto-raid
partman-auto-raid is installed in your system.
Make ensure the partman-auto-raid package were installed using the commands given below,
$ sudo dpkg-query -l | grep partman-auto-raid *
You will get with partman-auto-raid package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | debian-installer udeb packages |
| Package | partman-auto-raid |
| Version | 22ubuntu1 |
| Description | Allow preseeded RAID installs |
| Sub Section | Debian-installer |