On Wed, Sep 29, 2021 at 10:46:38AM +0100, Richard W.M. Jones wrote: > I don't know why we decided to use a GUID for this. The feature > itself (https://go.microsoft.com/fwlink/?LinkId=260709) defines it as > an 128 bit / 8 byte number. The only connection to GUIDs is the size. *cough* .. 16 bytes :-) Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-p2v converts physical machines to virtual machines. Boot with a live CD or over the network (PXE) and turn machines into KVM guests. http://libguestfs.org/virt-v2v