Was looking through my office window at the data closet and (due to angle, objects, field of view) could only see one server light cluster out of the 6 racks full. And thought it would be nice to scale everything down to 2U. Then day-dreamed about a future where a warehouse data center was reduced to a single hypercube sitting alone in the vast darkness.
I realize there's all sorts of Microsoft hate out there, mostly justified, but no one has mentioned hyper-v as a replacement for VMware. I've got a dozen or so machines running on a single VMware host and after the broadcom buyout decided to swap over, havent pulled the trigger yet as I'm using it to get a new server and wait for our support contract to end.
In the small/medium business space is proxmox a better bet?