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Date:      Sun, 16 Mar 1997 13:27:34 -0700 (MST)
From:      Don Yuniskis <dgy@rtd.com>
To:        helbig@MX.BA-Stuttgart.De (Wolfgang Helbig)
Cc:        freebsd-hackers@freefall.FreeBSD.org (FreeBSD hackers)
Subject:   Re: wd driver questions
Message-ID:  <199703162027.NAA22140@seagull.rtd.com>
In-Reply-To: <199703161651.RAA02230@helbig.informatik.ba-stuttgart.de> from "Wolfgang Helbig" at Mar 16, 97 05:51:05 pm

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It seems that Wolfgang Helbig said:
> 
> > And, how (if at all) does the geometry written to the disklabel
> > figure into the operation/calculations of the driver?
> 
> As far as I could decipher from the driver code (wd.c) the probed geometry
> is used only to read the label. From there on the geometry read from the
> label is used exclusively by the driver. Both are the same, if you
> disklabel auto.
> But I'm not really sure about my findings.

>From *my* observations, it doesn't look like the disklabel geometry
is used at *all*!  (at least, not in the driver... I have no idea
if other tools (fdisk, newfs) use the geometry from the disklabel
(since it would be difficult for them to get it otherwise?))

--don



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