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Date:      Sun, 8 Jul 2018 01:42:06 +0100
From:      RW <rwmaillists@googlemail.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: A request for unnested UFS implementation in MBR
Message-ID:  <20180708014206.24a268a6@gumby.homeunix.com>
In-Reply-To: <20180708014204.57b34879.freebsd@edvax.de>
References:  <98201d37-2d65-34c6-969e-c9649f1a3ab1@yandex.com> <f57a5540-9736-53bf-5312-166a1b2e23b0@yandex.com> <20180707224648.5187be22@gumby.homeunix.com> <0753eec0-674f-842f-2dae-c8405b004dc1@yandex.com> <20180708000437.2dd95933@gumby.homeunix.com> <20180708014204.57b34879.freebsd@edvax.de>

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On Sun, 8 Jul 2018 01:42:04 +0200
Polytropon wrote:


> From my understanding (and explained off-list), FreeBSD
> requires a 'a' BSD-labeled partition (inside a slice in
> case of MBR, or on a disk if "dedicated") to boot from.
> It doesn't seem to be possible to label a partition 'a'
> without using labels.
> 
> The label 'c' for data partitions is implicit and will
> be synonymous for "the whole thing" (slice, disk), as
> it is generated by using newfs on a MBR slice directly
> (no matter if "DOS primary partition" or "logical volume
> inside DOS extended partition").

It's certainly possible to put UFS on a disk, or an MBR partition,
without labelling. I don't recall seeing a 'c' but I might be wrong.   



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