The board it's running on only has three SATA ports, of which one is an mSATA connection. It currently has a motley collection of a 64GB Crucial M4 mSATA, a 250GB Crucial M500, and a 128GB Samsung ...
It’s a capable Proxmox node, but running it as a home lab server shows it should be a piece of the puzzle, not the whole solution.
I am in the planning stages of deploying Proxmox to a 2tb|2tb + 3tb|3tb zfs array and after a bunch of reading, I understand that zfs recordsize and qcow2 cluster_size shoud match each other exactly.