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To: Josef Karthauser <joe@FreeBSD.org>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Wed, 19 Nov 2003 11:05:56 GMT."
             <20031119110556.GA83112@genius.tao.org.uk> 
Date: Wed, 19 Nov 2003 12:12:37 +0100
Message-ID: <62910.1069240357@critter.freebsd.dk>
cc: current@FreeBSD.org
Subject: Re: Using Geom to mirror root partitions? 
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In message <20031119110556.GA83112@genius.tao.org.uk>, Josef Karthauser writes:
>
>--RnlQjJ0d97Da+TV1
>Content-Type: text/plain; charset=us-ascii
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>Content-Transfer-Encoding: quoted-printable
>
>On Sat, Nov 15, 2003 at 09:42:18AM +0100, Poul-Henning Kamp wrote:
>> In message <20031115014133.GB31237@genius.tao.org.uk>, Josef Karthauser w=
>rites:
>>=20
>> >What's the best way to prepare for this?  Should I leave some
>> >unallocated space at the beginning of the disk so that any magic geom
>> >bits can be inserted later?
>>=20
>> Rather:  leave a bit free at the end.
>>=20
>
>How much would you recommend I leave?  Proportional to the disk size, or
>just enough space for data structures?

In theory one sector should do fine, but make it a bit more.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.