From owner-freebsd-questions Tue Nov 21 12:53: 3 2000 Delivered-To: freebsd-questions@freebsd.org Received: from merganser.its.uu.se (merganser.its.uu.se [130.238.6.236]) by hub.freebsd.org (Postfix) with ESMTP id A67F037B4CF for ; Tue, 21 Nov 2000 12:53:00 -0800 (PST) Received: from regulus.student.UU.SE ([130.238.5.2]:63601 "HELO ertr1013.student.uu.se") by merganser.its.uu.se with SMTP id ; Tue, 21 Nov 2000 21:52:40 +0100 Received: (qmail 71152 invoked by uid 1001); 21 Nov 2000 20:52:18 -0000 Date: Tue, 21 Nov 2000 21:52:17 +0100 From: Erik Trulsson To: Mike Ruhl Cc: freebsd-questions@freebsd.org Subject: Re: wd vs ad Message-ID: <20001121215217.A65639@student.uu.se> Mail-Followup-To: Mike Ruhl , freebsd-questions@freebsd.org References: <3A1AD033.D39AF963@network-alchemy.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <3A1AD033.D39AF963@network-alchemy.com>; from mruhl@network-alchemy.com on Tue, Nov 21, 2000 at 11:42:44AM -0800 Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Tue, Nov 21, 2000 at 11:42:44AM -0800, Mike Ruhl wrote: > Howdy, > > I recently upgraded to 4.0 and made the change from the /dev/wd* > devices to /dev/ad* devices. And I had a few questions about this... > :) > > 1) Can I safely delete the wd devices? > > I did a clean install of 4.0 and those devices where part of the > install. Are they still necessary? Are they hanging around for > backwards compatibility? They are just for backwards compatibility. If you don't have any programs/scripts/config-files that refer to the wd* files you can safely delete them. > > 2) It appears that the ad devices are character devices instead of > block devices. Further investigation reveals that all the wd devices > are character devices as well. I have obviously missed something > somewhere. When did the disk devices become character devices? Why > the change? Has the driver model changed so that character/block > devices are no longer "relevant"? Yep, block devices are gone. A quick look in /usr/src/UPDATING shows that this change happened about a year ago (entry for 19991205) > > A casual search of the archives hasn't revealed anything. :( Can > someone point me to a location of where this was discussed? Probably -arch or -current in late 1999. -- Erik Trulsson ertr1013@student.uu.se To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message