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

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

On 2010-03-21 17:52, Tom H wrote:
> > > > *You* should not need to set the UUID.  It should just magically be
> > > > there.
> > > > $ /sbin/blkid -t TYPE=swap
> > > > /dev/sdb1: TYPE="swap" LABEL="swap1" \
> > > > UUID="c69f59ff-b928-4232-b44c-8da0f12c52db"
>
> > > You can cnahe the UUID of any ext partition with
>
> > cnahe???
>
> It is Sunday and my first weekend off in a few weeks so my fingers are
> on holiday...
>
>
> > > tune2fs -U <uuid> /dev/...
>
> > But you're *not* supposed to *need* to,
>
> You do need to do so if you install a second/third/fourth...
> distribution or version and mkswap changes the UUID of the swap

I'd want *proof* (i.e., booting into different distros) that 
different mkswap invocations generate different UUIDs.

> partition (although I _think_ that you can use "mkswap -U <uuid>") and
> you therefore have to boot without swap from your previous install(s).

Or... use a LABEL.

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