df does not show free space

[Florian Diesch]

Derek Broughton <news at pointerstop.ca> wrote:

> Florian Diesch wrote:
>
>> Colin Brace <cb at lim.nl> wrote:
>
>>> What I don't understand at this point is how my root partition was
>>> getting mounted at all. At some point earlier in the boot process, does
>>> root get mounted in another way?
>> 
>> The kernel mounts / read-only before it starts init. It gets the
>> device from the kernel parameter "root", usually set in the boot
>> manager. init than remounts / read-write.
>
> Yes, but again, it must have been using a UUID (it should because that's the
> way Ubuntu builds it the first time), or it would have ended up mounting
> the wrong (or no) partition.  That's why we have UUID :-)

The question was why / gets mounted even it has a wrong UUID in
/etc/fstab. And that's because the entry in fstab isn't used here but
the kernel parameter. Of course the kernel parameter can use a UUID, too.


   Florian
-- 
<http://www.florian-diesch.de/>
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