How to list an UUID?

[Michael W. Holdeman]

On Wednesday 28 March 2007 09:48:44 pm Daniel Pittman wrote:
> "Ali Milis" <almilis at gmail.com> writes:
> > On 3/28/07, Daniel Pittman wrote:
> >> If you mean "when I installed the system why did the UUID of my swap
> >> change" the answer is: because, generally, I don't think anyone
> >> considered that a high priority use case.
> >
> > I am just wondering then, what is the advantage of using
> > UUID for swap in a /etc/fstab file?
>
> Well, the UUID is absolutely stable in general -- most people install
> one Linux and never change it.  AFAIK nothing else should cause it to
> change.
>
> Using the UUID means that your system will work if the layout of disk
> devices changes -- that way when your devices are moved from hdX to sdX
> in the transition to libata, or when you rearrange your SATA cables or
> add another controller ... things still work.
But if you decide the disk is tight and ad another just for /home, you can't 
easily set up the fstab file with uuid??

Mike