Hypervisor and their virtual disk formats

HYPERVISOR	FORMAT
VirtualBox	VMDK Stream Optimized
VirtualBox	RAW
VirtualBox	VMDK Flat
VirtualBox	VMDK Sparse
VirtualBox	VHD Flat Disk
VirtualBox	VDI Fixed Disk
VirtualBox	VDI Sparse Disk
KVM	RAW
KVM	VMDK Flat
KVM	VMDK Sparse
KVM	VHD Flat
KVM	VHD Sparse
KVM	QCOW2 Flat
KVM	QCOW2 Sparse
XEN	RAW
XEN	VMDK Flat
XEN	VMDK Sparse
XEN	VHD Flat
XEN	VHD Sparse
VMWARE	RAW
VMWARE	VMDK Flat
VMWARE	VMDK Sparse
Hyper-V	VHD Flat
Hyper-V	VHD Sparse