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Date: Tue, 25 Feb 2014 02:23:06 +0100
From: Polytropon <freebsd@edvax.de>
To: Warren Block <wblock@wonkity.com>
Subject: Re: gptids are not symlinks to /dev/da*
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Cc: freebsd-questions@freebsd.org, Chris Stankevitz <chrisstankevitz@gmail.com>
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On Mon, 24 Feb 2014 15:55:34 -0700 (MST), Warren Block wrote:
> On Mon, 24 Feb 2014, Chris Stankevitz wrote:
> 
> > Warren,
> >
> > Thank you for your reply.
> >
> > On Mon, Feb 24, 2014 at 11:26 AM, Warren Block <wblock@wonkity.com> wrote:
> >> Not device name, but a label.  Although the correct one should work in place
> >> of a device name.  I use GPT partition labels, but have never bothered with
> >> the GUIDs.
> >>
> >> ...
> >>
> >> Generated when the structure is created, I think.
> >
> > Now I just need to find out what is "GPT patition label", a "GUID",
> > and "structure creation"!  I will read glabel(8) and see if that
> > clears it up for me.
> 
> http://en.wikipedia.org/wiki/GUID_Partition_Table is pretty good.

Also have a look at The FreeBSD Handbook 19.8.1:

http://www.freebsd.org/doc/handbook/geom-glabel.html

You will conclude that ufsids (file system IDs for UFS file
systems) are comparable to the automatically generated GPTIDs
(partition IDs for GPT-style partitions).

User-defined labels come in the flavours of UFS labels (which
are associated to file systems) and GPT labels (which are
associated to partitions) - even though partitions usually
carry file systems. :-)



-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...