From owner-freebsd-stable Fri Jan 14 12:17:51 2000 Delivered-To: freebsd-stable@freebsd.org Received: from mail2.gmx.net (mail2.gmx.net [194.221.183.62]) by hub.freebsd.org (Postfix) with SMTP id 2786E14EBC for ; Fri, 14 Jan 2000 12:17:41 -0800 (PST) (envelope-from Gerhard.Sittig@gmx.net) Received: (qmail 10578 invoked by uid 0); 14 Jan 2000 20:17:38 -0000 Received: from p3e9d5159.dip.t-dialin.net (HELO speedy.gsinet) (62.157.81.89) by mail2.gmx.net with SMTP; 14 Jan 2000 20:17:38 -0000 Received: (from sittig@localhost) by speedy.gsinet (8.8.8/8.8.8) id SAA14320 for freebsd-stable@FreeBSD.ORG; Fri, 14 Jan 2000 18:26:57 +0100 Date: Fri, 14 Jan 2000 18:26:57 +0100 From: Gerhard Sittig To: freebsd-stable@FreeBSD.ORG Subject: Re: access floppy rw to lock system Message-ID: <20000114182657.S7734@speedy.gsinet> Mail-Followup-To: freebsd-stable@FreeBSD.ORG References: <200001140505.QAA07620@lightning.itga.com.au> <200001140549.WAA08193@freeway.dcfinc.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0i In-Reply-To: <200001140549.WAA08193@freeway.dcfinc.com>; from chad@DCFinc.com on Thu, Jan 13, 2000 at 10:49:36PM -0700 Organization: System Defenestrators Inc. Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thu, Jan 13, 2000 at 22:49 -0700, Chad R. Larson wrote: > As I recall, Gregory Bond wrote: > >> Exactly. If it's read-only media, it should fail when being > >> mounted read-write, or default to ro. > > > > Even this is not enough. PC floppy hardware doesn't have a > > "lock media" function, so you can get the same panic by > > changing a floppy for a write-protected one while it is > > mounted. > > But PC floppy hardware =does= have a "media changed" function. > So, same deal. But you only learn "it's too late". You don't have a chance to sync or umount or do something. The only thing one can do about this is to keep the floppy inside and eject it ONLY when all the administrativa are done. That's exactly the point where it isn't the above mentioned "PC floppy" any longer (see Macs and Sparcs for the opposite, but not the latest cheap clones). virtually yours 82D1 9B9C 01DC 4FB4 D7B4 61BE 3F49 4F77 72DE DA76 Gerhard Sittig true | mail -s "get gpg key" Gerhard.Sittig@gmx.net -- If you don't understand or are scared by any of the above ask your parents or an adult to help you. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message