Degraded RAID1 (Server live) in Ubuntu Server Subiquity amd64 in Cosmic Daily (archived)

Scope of this test is to verify that a system installed on a degraded raid still boots and allows you to log in.

Proceed in your native language if you wish. Instructions will remain in English

Boot up the image in UEFI mode in a system or VM with at least two disks attached.

Choose the desired language

On the network configuration screen, just select Done (it should be selected by default)

On the filesystem setup screen, select "Manual"

Create a partition on two drives. For each drive:

If it already has partitions, select "Reformat" from the menu

Select "Use As Boot Device" from the menu - (on the second disk it will say "Add As Another Boot Device")

Select "Add GPT Partition" from the menu

Leave size blank and select "Leave unformatted" for the format

Click Done

Create the RAID device and mount it as /:

Select the "Create software RAID (md)" button

Select the two partitions you created to be part of the RAID (they should be the only available options, unless the machine has more than two disks)

Select create

Select the md0 device and choose "Format" from the menu

The default should be to format as ext4 and mount at /. Select Done

The Done button should now be enabled. Select it

In the confirmation dialog, select "Continue" (it should not be selected by default)

Fill out the user information, making sure to import your SSH keys from somewhere

Wait for the install to complete

Remove the installation media (CDROM or USB key)

Reboot the system

Ensure that you can log into the system with the username and password you provided

Shutdown the system

Remove one of the disks that are part of the RAID

Boot the system

Ensure that you can log into the system

Run sudo mdadm -D /dev/md0 and verify the presence of a line stating that the "State" line reports the RAID is degraded

If all actions produce the expected results listed, please submit a 'passed' result.
If an action fails, or produces an unexpected result, please submit a 'failed' result and file a bug. Please be sure to include the bug number when you submit your result.