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Date:      Fri, 17 Mar 2006 16:13:30 +0100
From:      des@des.no (Dag-Erling =?iso-8859-1?Q?Sm=F8rgrav?=)
To:        Dmitry Pryanishnikov <dmitry@atlantis.dp.ua>
Cc:        freebsd-current@freebsd.org
Subject:   Re: [patch] NetBSD disklabel support for geom_bsd
Message-ID:  <863bhh3y05.fsf@xps.des.no>
In-Reply-To: <20060317012428.N52721@atlantis.atlantis.dp.ua> (Dmitry Pryanishnikov's message of "Fri, 17 Mar 2006 02:34:54 %2B0200 (EET)")
References:  <20060317012428.N52721@atlantis.atlantis.dp.ua>

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Dmitry Pryanishnikov <dmitry@atlantis.dp.ua> writes:
> 1) NetBSD people extended partition table to 16 entries vs. our 8. That's=
 OK,
>    we have place for 22 entries within 512-byte sector for disklabel offs=
et 0,
>    and 18 for offset 64 bytes (Alpha's case).
>
> 2) (most important) NetBSD disklabel describes partitions not slice-relat=
ive
>    (like ours), but the whole device-relative. They have no slice devices=
, so
>    their disklabel actually duplicates functionality of device slice
>    table, and describes both NetBSD partitions and other slices as partit=
ions.

I believe we already support that - we did it the same way ourselves
prior to GEOM, and geom_bsd should still have compat shims for old
labels.

DES
--=20
Dag-Erling Sm=F8rgrav - des@des.no



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