Re: How to obtain UUID of drives (squeeze udev lacks vol_id)

[Ron Johnson <ron.l.johnson@cox.net>]

On 2010-03-24 22:40, Lubos Rendek wrote:
> Hi Paul,
>
> > For me, linux device names have become very intuitive. Certainly more
> > intuitive than UUIDs. I've been thinking about UUIDs for a little over
> > a week. To me, the idea of UUIDs suffers from a great excess of
> > pseudo-intellectual baggage. A convention for naming things that is
> > deliberately designed to generate names that give no clue as to what
> > the thing is, or which one of several similar things this one actually
> > is --- is crazy.
>
> I agree, HDXn is certainly easy to understand and it gives a sys admin
> more transparent view into the system which also allows him/her to
> react to the emergency situation with better speed. What is more is
> that this is yet another example where MS windows people would not
> move from their click, drag and drop approach as to convince them that
> this is a better way to do it would be very hard.

As opposed to descriptive symbolic labels like DADS_ROOT, KIDS_HOME, 
WORK_DATA?

> Anyway what is this UUID business all about?

If you knew what UUID means, I think you'd understand.

>                                               If its is so great to use
> multiple character strings of complete gibberish to name a partition
> so why is it not done somewhere on the lower kernel level and make
> this process completely transparent on the user level?

The kernel (TTBOMK) doesn't even deal with hda1, hda2, sdb4, etc. 
It uses major and minor numbers which are unique to a running 
instance of the system.

--
"History does not long entrust the care of freedom to the weak
or the timid."  Dwight Eisenhower