OK, first, I'm not in a rush to do this, but I was reading the migrations notes and it is explicitly called out that Barracuda recommends to do a clean install due to the following reasons...
"Firmware 8.0.1 has been refactored to meet the increasing storage demands also for upcoming releases. For this, the internal disk of the firewall must be repartitioned to provide enough space already at the startup of the firewall. This is the best opportunity to prepare your firewall for future firmware releases with increasing storage demands."
I'm assuming this means for ALL devices? Fresh install of 8.0.1 off a USB drive onto my F280?