what is UUID naming for devices?

[Derek Broughton]

Gérard BIGOT wrote:

> UUID is not human friendly, but it's stable, it defines uniquely a hard
> drive. 

It doesn't.  It uniquely defines a _filesystem_.  This leads to problems if
you use mkfs or mkswap on the partition.  There's a lot to be said for
using labels rather than uuids specifically _because_ they're not unique. 
The label at least is always what _you_ want it to be.
-- 
derek