make two partitions,
one partition is
and other is
/ (rest of available space)
Both are ext4
find out uuid of the storage volume and create an entry for it in fstab so that it automatically mounts.
That should be it (if I didn't forget anything)
If you want more info, look here http://www.infosecramblings.com/back...sk-encryption/
Read through the whole tutorial and make sure you understand what every command does. Only use the commands you need.