qemu-img create -f qcow2 -F raw -b encryptionkey.img encryptionkey.img.qcow2dd if=/dev/zero of=userdata-qemu.img bs=1M count=6dd if=userdata.img of=userdata-qemu.img conv=notruncqemu-img create -f qcow2 -F raw -b userdata-qemu.img userdata-qemu.img.qcow2dd if=/dev/zero of=cache.img bs=1M count=66qemu-img create -f qcow2 -F raw -b cache.img cache.img.qcow2