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Re: Rant on LABELs



Mon, 27 Sep 2004 at 16:05 GMT Elliot Lee <sopwith redhat com> wrote
> On Sun, 26 Sep 2004, Arjan van de Ven wrote:
> 
>> 
>> > to ensure that the random number would be virtually unique which means
>> > long numbers ;-).
>> 
>> well but ext2/3 do have UUID's; there's no reason we can't do
>> mount-by-UUID as well.
> 
> We do have mount-by-UUID:
> 
> mount UUID=b04a5cd1-3f15-45d3-8c25-3ef732eb3d82 /mnt/point


I think it's easier to remember hda1 or hdc5 than
b04a5cd1-3f15-45d3-8c25-3ef732eb3d82 ...

But how about some kind of "fallback" to mount by uid if duplicate
labels are found?

At install time or any time the admin wants, a script is run, writing
something like /etc/sysconfig/mountpoints with
<LABEL> <UUID>

/       b04a5cd1-3f15-45d3-8c25-3ef732eb3d82
/boot   0f59430f-d62e-4de8-b553-7760822293ca


This info is _only_ checked if there are duplicate labels found.

That way you can still have the easy to remember LABEL=/ in fstab, but
still avoid problems if more than one partition has the same label.

But this start to sound like something hald or udev (or whatever is
responsible for this kind of actions) could do better?


Rgds.

Ola Thoresen





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