https://moozing.wordpress.com/2015/06/24/converting-a-physical-machine-to-a-virtual-machine/
https://pve.proxmox.com/wiki/Migration_of_servers_to_Proxmox_VE#Physical-to-Virtual_.28P2V.29
https://forum.proxmox.com/threads/how-to-import-vmdk-storage-to-local-lvm-storage.45007/