Well, it was too late to study and I was a little anxious with the harddrive in the enclosure that I decided to get it done.
Cracked open the PPPro, cut a slot for the cable, cut a rib to reduce strain, connected the sata-esata cable, and put it all back together. I then used parted to create
5gb root folder
4gb swap partition
Rest for storage partition
I then extracted my latest backup onto the 5gb root partition, connected to sata and powered on.
...And I am stuck at the blinking LED
I am not sure if it is trying to mount one of the other partitions first? Or if I should revert to stock firmware and reinstall ALArm with the oxnas script. The LED blinks at a random rate (first steady, then start to hold for a second, then blinks, then so on).
Any thoughts?
EDIT: Picky son of a b.... Re-did parted exactly as before (gpt, 0tb 3tb, print, etc.), made the partitions (ROOT=ext3!), extracted my backup.gz IN ROOT and not sudo, and presto. False alarm. (hehe, get it?)
Backing up my media now. Hoorah, sata!