Date: Sun, 30 Nov 1997 22:33:21 -0800 (PST) From: Archie Cobbs <archie@whistle.com> To: julian@whistle.com (Julian Elischer) Cc: tlambert@primenet.com, dk+@ua.net, proff@iq.org, freebsd-hackers@freebsd.org Subject: Re: detecting devfs from userland? Message-ID: <199712010633.WAA15641@bubba.whistle.com> In-Reply-To: <Pine.BSF.3.95.971130210818.10375B-100000@current1.whistle.com> from Julian Elischer at "Nov 30, 97 09:14:18 pm"
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> > > > The devices themselves, especially in the new SLICE stuff that > > > > he's done, should be self-referrential. I'm still trying to > > > > talk him into putting them in a hierarchy (with little success... > > > > you SVR4 device name traditionalists can rest easy: you still get > > > > you have your long cryptic device names for now...). > > > > > > A hierarchy is good but has the following problems > > > > > > 1/ violates "Principle of least surprise" (POLS) > > > > I disagree (big surprise ;-)). I think /dev/sd1c1d2t0 violates the > > principle... At least with a hierarchy, you get a hierarchy in /dev > > that matches the hierarchy on disk. Better to have a valid map with > > a "you are here.." than an invalid map, IMO... > > I think people expect to find their disk listed as: /dev/foobar3 > not as /dev/disk/scsi3/unit3/lun2/partion4 What's wrong with having both? That is, let /dev/sd0s1 be a symlink to /dev/sd0/slice1. Symlinks could also help the sd0a -> sd0s1a problem. -Archie ___________________________________________________________________________ Archie Cobbs * Whistle Communications, Inc. * http://www.whistle.com
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