Convert XEN image files to VirtualBox image files

Пример

VBoxManage convertfromraw -format VDI xenvista.img VBoxVista.vdi

VirtualBox Command Line Management Interface Version 2.1.4
(C) 2005-2009 Sun Microsystems, Inc.
All rights reserved.

Converting from raw image file="xenvista.img" to file="VBoxVista.vdi"...
Creating dynamic image with size 10485760000 bytes (10000MB)...

Пример2

еще один вариант:

VBoxManage convertdd the_disk.img the_disk.vdi

• взято тут