[ Thanks to Andrew
Weber for this link. ]
“This example of a minimal desktop shows how to manually create
partitions using ext3 and ext4 for a server that has a minimal
desktop for a graphical interface. Here are the choices to complete
that install.“This time select ‘Create Custom Layout’ at the installation
type.“This will allow the creation of partitions and the choice of
using regular filesystem, LVM or RAID. In this example partitions
are created for a /boot partition using ext3, a / partition and
/usr partition using ext4 and a SWAP partition.”