[virt-tools-list] difference between blkid of a system and uuid of virtual machine by virt-manager

[Cole Robinson]

On 02/08/2011 02:06 PM, Tapas Mishra wrote:
> I want to know what is the difference between the output blkid command
> shows and the uuid which is set by virt-manager
> while creating a guest.
> Suppose in case of a re installation sort of situation I want to do a
> fresh install and restore things from a backup then
> where does this UUID thing comes into picture and what is its role
> with respect to Virtual Machines.
> 
> 

AFAIU it's just a unique identifier for use with libvirt, though nowadays it
might be passed down to the guest for other purposes. cc-ing libvirt-list

- Cole