Comment 7 for bug 1167366

Installation on such a machine can be accomplished through the below sections of a preseed file. Keep in mind this is not a complete preseed file.

# Partitioning
d-i partman/early_command string debconf-set partman-auto/disk "$(ls /dev/mapper/isw* | head -n1)"
d-i partman-auto/method string regular
d-i partman-auto/choose_recipe select atomic
#d-i partman-auto/disk string /dev/dm-0
d-i partman-lvm/device_remove_lvm boolean true
d-i partman-lvm/confirm boolean true
d-i partman/confirm_write_new_label boolean true
d-i partman/choose_partition select Finish partitioning and write changes to disk
d-i partman/confirm boolean true
d-i partman/confirm_nooverwrite boolean true
d-i partman/default_filesystem string ext4
d-i clock-setup/utc boolean true

d-i grub-installer/only_debian boolean false
d-i grub-installer/with_other_os boolean false
d-i grub-installer/bootdev string /dev/dm-0