Unallocated space on one of two drives not offered for installation

Bug #1330172 reported by Ross Gammon on 2014-06-15
This bug affects 1 person
Affects Status Importance Assigned to Milestone
ubiquity (Ubuntu)

Bug Description

I am trying to install the Ubuntu Studion Utopic (14.10) Daily Build ISO (of a week or so ago) onto some spare space of my main PC to assist the Ubuntu Studio team. However, I never get offered the drive with the spare space (neither in the automatic calculation of installation options, nor in the "something else" manual partitioning). Here is a rough outline of my set up:
- sda1-6 500GB Debian Testing
- sdb1-6 500GB Ubuntu 14.04 (my main working setup)
- sdb 7 500GB Debian Wheezy

1. Boot into Ubuntu Studio 14.10 Daily Build Live DVD
2. Choose "install to disk" option
3. Select English, Click to get updates & non-free stuff, & continue
4. At the partitioning options screen, only sdb seems to be part of the calculation. Here is what is offered:
- Reinstall Ubuntu 14.04
- Erase Ubuntu 14.04
- Erase whole disk
- Something Else
Sda is completely ignored, except that it is the default option for installing the bootloader (which is where it currently is).
5. Choose "something else"
Only the partitions on sdb (and my sdc USB for backing up to) are visible, and there is no possibility of selecting sda.
6. Press Quit
7. In the Live Environment, run Gparted from the menu.
It can see everything including the unallocated space on sda.
8. Run ubiquity --debug from terminal
I will try and attach /var/log/installer/debug to the log.

Ross Gammon (rosco2) wrote :
Ubuntu QA Website (ubuntuqa) wrote :

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:

tags: added: iso-testing
tags: added: utopic
Changed in ubiquity (Ubuntu):
importance: Undecided → Medium
Ross Gammon (rosco2) wrote :

OK, it turns out that the second drive had once been part of a RAID as was not being recognised. Using:
sudo dmraid -E -r /dev/sda
as described on this page:
fixed it.

Changed in ubiquity (Ubuntu):
status: New → Invalid
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