From owner-freebsd-hackers@FreeBSD.ORG  Wed Apr  5 19:15:32 2006
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Date: Thu, 6 Apr 2006 05:15:28 +1000
From: Peter Jeremy <peterjeremy@optushome.com.au>
To: John Baldwin <jhb@freebsd.org>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: cloning a FreeBSD HDD
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On Wed, 2006-Apr-05 14:53:55 -0400, John Baldwin wrote:
>> boot2 is located in the (I think) sectors 1-15 of partition a.
>
>Actually, boot1 + boot2 occupy sectors 0,2-15 of the bootable slice (the
>a partition starts at the start of the slice to be confusing) with the
>actual disklabel table in sector 1 of the slice.

The bit that threw me was that boot2 is 15 sectors long and ends in
sector 15.  I gather it has a copy of boot1 embedded in it.

-- 
Peter Jeremy