converting a raw disk image to a thin-provisioned qcow2 image.
Virt-sparsify can operate on any disk image, not just ones from
-virtual machines. If a virtual machine has multiple disk images, then
-you must sparsify each one separately.
+virtual machines. If a virtual machine has more than one attached
+disk, you must sparsify each one separately.
=head2 IMPORTANT LIMITATIONS