Thank you, that is what I ended up doing. I needed to get it up and running fast so did not want to go into rabit hole that I dont know the depth. But luckily it worked fine. For now it seems fine. Hope nothing pops up from the dark corners of...
I cant argue that I know much about the system. But actually you are wrong. I had installed Proxmox 7 using off the shelf installer on a btrfs raid on usb flash drives.
So it was possible. Probably somebody went through the hassle to explicitly...
I am running a single node on raid1c4 btrfs built on 4 usb flash drives. I had been using v7 because newer versions where braking pci passthrough. But because of cryptohackers I am upgrading (hopefully) to 9.2.
I already gave up running installer...