POST /rhevm-api/vms/6efc0cfa-8495-4a96-93e5-ee490328cf48/disks HTTP/1.1 Accept: application/xml Content-type: application/xml <disk> <size>8589934592</size> <type>system</type> <interface>virtio</interface> <format>raw</format> <bootable>true</bootable> </disk>