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

[Tapas Mishra]

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.


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