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Date:      Tue, 11 Jul 1995 22:11:24 -0400
From:      Thomas David Rivers <ponds!rivers@dg-rtp.dg.com>
To:        freebsd-hackers@freefall.cdrom.com
Subject:   A problem with disklabel & "use entire disk" on 2.0.5R.
Message-ID:  <199507120211.WAA05288@lakes>

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I've been meaning to mention this since 2.0.5R was available.  I found
that (using the standard MBR) and selecting "use entire disk" for
my SCSI drive caused problems.

Well - the real story is that the installation assumed I didn't want
the BIOS translated geometry (as translated by the Adaptec 1542B) - and
I went through the entire install using the SCSI geometry... only to
find the system wouldn't boot.    

I *had* to use the translated geometry to get anything to boot.
(Probably since the translated geometry came up with something like
395 sectors - or some screwy number like that, certainly not the "17"
that DOS, and boot records, are accustomed to...)

Now, my question is - does using that geometry cost me anything, particularly
speed wise.   I had intended on testing this question myself (using iozone)
but I can't boot the system in untranslated mode.

What's been the experience in this area?

	- Dave Rivers -



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