@RGBCube @theorytoe @bonifartius
proxmox uses kvm/qemu and zfs (zvols)
migrate to physical machine:
1. put new harddrive (/dev/sdb) into proxmox server
2. copy data to /dev/sdb
$ dd if=/dev/zvol/rpool/data/vm-101-disk-0 of=/dev/sdb bs=1GB
$ cfdisk /dev/sdb # resize disk
$ e2fsck -f /dev/sdb-part3 # check
$ resize2fs /dev/sdb-part3 # resize part.
3. put /dev/sdb into new machine 4. boot from it
name one other hypervisor that allow you to do this.