From owner-freebsd-stable@FreeBSD.ORG Mon Nov 21 14:48:51 2005 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1823116A420 for ; Mon, 21 Nov 2005 14:48:51 +0000 (GMT) (envelope-from Andre.Albsmeier@siemens.com) Received: from david.siemens.de (david.siemens.de [192.35.17.14]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0DEA943D46 for ; Mon, 21 Nov 2005 14:48:49 +0000 (GMT) (envelope-from Andre.Albsmeier@siemens.com) Received: from mail2.siemens.de (localhost [127.0.0.1]) by david.siemens.de (8.12.6/8.12.6) with ESMTP id jALEmmYT031800; Mon, 21 Nov 2005 15:48:48 +0100 Received: from ims.mchp.siemens.de (ims.mchp.siemens.de [139.25.31.39]) by mail2.siemens.de (8.12.6/8.12.6) with ESMTP id jALEmlWq026991; Mon, 21 Nov 2005 15:48:48 +0100 Received: from mail-ct.mchp.siemens.de (mail-ct.mchp.siemens.de [139.25.31.51]) by ims.mchp.siemens.de with ESMTP id jALEmlJQ000489; Mon, 21 Nov 2005 15:48:47 +0100 (MET) Received: from curry.mchp.siemens.de (curry [139.25.40.130]) by mail-ct.mchp.siemens.de (8.12.11/8.12.11) with ESMTP id jALEml8p018910; Mon, 21 Nov 2005 15:48:47 +0100 (MET) Received: (from localhost) by curry.mchp.siemens.de (8.13.4/8.13.4) id jALEmlmo078159; Date: Mon, 21 Nov 2005 15:48:46 +0100 From: Andre Albsmeier To: Brian Candler Message-ID: <20051121144846.GA10523@curry.mchp.siemens.de> References: <20051116101200.GA2823@uk.tiscali.com> <20051116165712.GB33710@slackbox.xs4all.nl> <20051120210459.GA19861@uk.tiscali.com> <20051120141156.6c424415@frankie.konav201.local> <20051121091151.GA21747@uk.tiscali.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20051121091151.GA21747@uk.tiscali.com> X-Echelon: Taliban, 737, Terrorism, Spy, FSB X-Advice: Drop that crappy M$-Outlook, I'm tired of your viruses! User-Agent: Mutt/1.5.11 Cc: freebsd-stable@freebsd.org, Robert Marella Subject: Re: CF card and /dev filesystem entries X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 Nov 2005 14:48:51 -0000 On Mon, 21-Nov-2005 at 09:11:51 +0000, Brian Candler wrote: > On Sun, Nov 20, 2005 at 02:11:56PM -1000, Robert Marella wrote: > > > Now, that does the job: > > > > > > root@billdog brian# dd if=/dev/null of=/dev/da0 count=0 > > > 0+0 records in > > > 0+0 records out > > > 0 bytes transferred in 0.000028 secs (0 bytes/sec) > > > root@billdog brian# ls -l /dev/da0* > > > crw-r----- 1 root operator 0, 107 Nov 20 21:00 /dev/da0 > > > crw-r----- 1 root operator 0, 115 Nov 20 21:00 /dev/da0s1 > > > root@billdog brian# > > > > > > However, I'm not sure I actually *like* opening my CF card in such a > > > way that I would be likely to overwrite the partition table if I hit > > > a wrong key... > > > > > > Regards, > > > > > > Brian. > > > > > I am not sure if this is any different but when placing or changing a > > card in my card reader I run " cat /dev/null > /dev/daX" before > > mounting. I have cards of different sizes and it would fail to mount a > > different size card without doing the above first. > > Yeah, that's the same thing: open the device for write and then close it > again. I still wouldn't be happy that in a haze I might type > cat /dev/zero >/dev/daX > instead of > cat /dev/null >/dev/daX > but I guess I can write a script. FYI, http://www.freebsd.org/cgi/query-pr.cgi?85975 -Andre