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Date:      Thu, 23 Sep 2010 02:49:22 -0700
From:      Carl <k0802647@telus.net>
To:        freebsd-fs@freebsd.org
Subject:   Re: GPT partition type (GUID) for (g)journal provider partition
Message-ID:  <4C9B22A2.6010009@telus.net>
In-Reply-To: <4C9B06CC.1050702@gmx.com>
References:  <4C99DB46.1020308@telus.net> <4C9AF748.1000801@telus.net> <4C9B06CC.1050702@gmx.com>

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On 2010-09-23 12:50 AM, Nikos Vassiliadis wrote:
> freebsd-ufs seems pretty generic. All other FreeBSD GUIDs seem to have
> a more special function than freebsd-ufs. Why not freebsd-ufs?

If such a partition came prior to the root partition, it would screw up 
booting, I think. But beyond that? That's the problem - I don't know. 
Are GPT partition types so meaningless that it's benign to 
mis-categorize a non-UFS partition as UFS? If so, maybe swiping one from 
an unrelated OS (eg. Linux swap) is better than possibly upsetting 
something UFS-related?

> The GUIDs known to FreeBSD are defined in /usr/include/sys/gpt.h.

Thanks. I was looking for that too.

> I guess the GUIDs are defined in co-operation with the UEFI organization
> and the applicant organization, for example the FreeBSD project.

I presume so, but is that information deemed confidential to 
members/licensees of UEFI only?

Carl                                             / K0802647



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