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Date: Tue, 12 Feb 2008 21:06:51 +0100
From: Marius Strobl <marius@alchemy.franken.de>
To: Marcel Moolenaar <xcllnt@mac.com>
Message-ID: <20080212200651.GB1203@alchemy.franken.de>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/conf files.sparc64 src/sys/sparc64/include
	md_var.h src/sys/sparc64/sparc64 ata_machdep.c
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On Mon, Feb 11, 2008 at 01:58:19PM -0800, Marcel Moolenaar wrote:
> 
> On Feb 11, 2008, at 1:40 PM, Marius Strobl wrote:
> 
> >marius      2008-02-11 21:40:22 UTC
> >
> > FreeBSD src repository
> >
> > Modified files:
> >   sys/conf             files.sparc64
> >   sys/sparc64/include  md_var.h
> > Added files:
> >   sys/sparc64/sparc64  ata_machdep.c
> > Log:
> > The Sun disk label only uses 16-bit fields for cylinders, heads and
> > sectors so the geometry of large IDE disks has to be adjusted.
> 
> Would support for VTOC16 help with this?
> 

I don't know; I thought Solaris only uses VTOCs in addition to Sun
disk labels, though I have no idea what VTOC16 in particular is.
Anyway, the idea was to be compatible with Solaris as far as it
makes sense and Solaris already fakes the geometry of IDE disks
at the device driver level so the disk label uses the faked
geometry regardless of the label format.

Marius