Desktop installer does not detect existing raid0 array

Bug #1581763 reported by Brian Burch on 2016-05-14
This bug affects 1 person
Affects Status Importance Assigned to Milestone
live-installer (Ubuntu)

Bug Description

I have a machine which is succesfully running 32-bit 15.10 Desktop on several of raid0 arrays, containing swap, ext3, and lvm/ext3 file systems. I have released some space on one of the logical volumes, but not yet created a file system on it. I want to install 64-bit desktop into this free raid/lvm space so that I can dual boot the machine and migrate my existing applications and data to the new 16.04 system.

When I boot the xenial live installer DVD it does not seem to detect the raid arrays. When I select the "something else" option for the installation target, it lists all the individual partitions but does not give me the option to activate my raid0 arrays, and so it does not detect the lvm volumes or the free space. The only choice is to over-write one of my existing and wanted partitions.

When I run the live system without installing, mdadm is not in /sbin.

In the past, I've used the "alternate installer" iso to activate raid support during installation, but I can't find an iso with this name on the current desktop downloads directory.

I am unsure whether I can circumvent my problem by installing a no-options ubuntu server system and then manually installing the ubuntu-desktop meta-package over it.

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