Date: Tue, 21 Nov 2000 21:52:17 +0100 From: Erik Trulsson <ertr1013@student.uu.se> To: Mike Ruhl <mruhl@network-alchemy.com> Cc: freebsd-questions@freebsd.org Subject: Re: wd vs ad Message-ID: <20001121215217.A65639@student.uu.se> In-Reply-To: <3A1AD033.D39AF963@network-alchemy.com>; from mruhl@network-alchemy.com on Tue, Nov 21, 2000 at 11:42:44AM -0800 References: <3A1AD033.D39AF963@network-alchemy.com>
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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. -- <Insert your favourite quote here.> Erik Trulsson ertr1013@student.uu.se To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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