I created a write up a few months ago that focused on this topic. It is geared towards centos running as a VM, but you should be able to translate it to ubuntu pretty easy.
https://forums.fogproject.org/topic/6642/moving-fog-s-images-files-off-the-root-partition

@jmcg Yes, please create a new thread for it, it’s not too hard to do, though.

@jmcg I’m glad you have it worked out. That is why the pcap is so valuable so you can actually see what is going on in the wires and not just guess.

Good job, happy fogging (if that is a word).