[Virtualizing PDM] Host PVE Node Uses ZFS Storage. When installing PDM inside VM, EXT4 or ZFS?

Hello, I've never virtualized Proxmox VE, Proxmox Backup Server, or Proxmox Datacenter Manager. In fact, I've never installed PDM, and I'd like to test it in a VM. Normally, I use ext4 inside my VMs; this is a home server hobbyist/home office environment, and using ext4 in my guests has always been fine--and the VM virtual disk lives on a ZFS pool, so it's getting the benefits of ZFS on the…