*BSD News Article 28842


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From: roberto@keltia.frmug.fr.net (Ollivier Robert)
Newsgroups: comp.os.386bsd.questions
Subject: Re: Why can't NetBSD use same geometry as DOS/Linux?
Date: 26 Mar 1994 11:49:56 +0100
Organization: A Happy FreeBSD-current Usenet Site
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References: <1994Mar23.110633.2299@resonex.com> <2mr80p$k98@sparc10.entropic.com>
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In article <2mr80p$k98@sparc10.entropic.com>,
Ken Hornstein <kenh@wrl.epi.com> wrote:
>The actual geometry of this disk is 1931 cyls, 15 heads, 70 sectors.  Just
>lie to it durning the install procedure.  Unfortunately, this means that you'll
>lose the speed optimizations that Unix normally would make based on where stuff
>lies on disk; them's the breaks.  But it works fine.

Except that the  optimizations offered by  the UFS file-system are not much
needed with modern SCSI disk drives which have physical parameters far from
being constant in  term of  sectors  / tracks so  it  is better to  let the
controller do the work and use the translated geometry...
-- 
Ollivier ROBERT                          Ollivier.Robert@keltia.frmug.fr.net
A FreeBSD & PERL addict...                PGP 2.3a public key on key-servers 
Running FreeBSD-current and very happy to do so !