Originally Posted by ralphbluecoat
I probably am not using the right term. The disk image file (.img) that qemu boots from is what I meant.
With qemu (and presumably other virtualization software) use a disk image OR
a real hard drive/partition (i.e., the block device). E.g., for qemu, just pass the block device for the hard-drive you want to use (make sure not to use a mounted hard drive).