VMDK–>qcow2:
kevin@kevin:~# qemu-img convert -f vmdk -O qcow2 SLES11SP1-single.vmdk SLES11SP1-single.img
http://www.ibm.com/developerworks/cn/linux/l-cn-mgrtvm3/index.html
qcow2–>raw:
kevin@kevin:~$ qemu-img convert -O qcow2 image-raw.raw image-raw-converted.qcow
本文转自：http://blog.prajnagarden.com/?p=248
qcow2–>raw:
qemu-img convert {image_name}.qcow2 {image_name}.raw