From owner-freebsd-current  Sun Oct  6  0:19:41 2002
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Date: Sun, 6 Oct 2002 17:29:19 +1000 (EST)
From: Bruce Evans <bde@zeta.org.au>
X-X-Sender: bde@gamplex.bde.org
To: Poul-Henning Kamp <phk@critter.freebsd.dk>
Cc: Steve Kargl <sgk@troutmask.apl.washington.edu>,
	<freebsd-current@FreeBSD.ORG>
Subject: Re: devfs oddity? 
In-Reply-To: <36088.1033885792@critter.freebsd.dk>
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On Sun, 6 Oct 2002, Poul-Henning Kamp wrote:

> In message <20021006144225.G15291-100000@gamplex.bde.org>, Bruce Evans writes:
> >On Sat, 5 Oct 2002, Steve Kargl wrote:
> >
> >> > In message <20021005221611.GA17396@troutmask.apl.washington.edu>, Steve Kargl w
> >> > rites:
> >> > >root[208] cdcontrol play
> >> > >cdcontrol: no CD device name specified, defaulting to /dev/cd0c
> >> > >cdcontrol: /dev/cd0cc: No such file or directory
> >> > >
> >> > >Why is an extra "c" appended to cd0c?
> >
> >The first "c" is part of the standard name for the whole of a (labelled)
> >disk device.
>
> It's not any "standard name".  It is a convention used on a minority
> of UNIX platforms out there, and it is certainly not "standard" even
> for BSD based systems.

It is a standard convention in FreeBSD-4, NetBSD and OpenBSD.  Except the
partition letter is actually "d" in NetBSD and OpenBSD for i386's and a
few other arches.

> It is also illogical, counter-intuitive and prone to mistakes.

That may be, but changing it without even preparing for the change breaks
POLA.  This consideration prevented me from axing partitions soon after I
implemented slices.

Bruce


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