From owner-freebsd-questions@FreeBSD.ORG Thu Feb 12 13:15:31 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2EA861065672 for ; Thu, 12 Feb 2009 13:15:31 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl [IPv6:2001:4070:101:2::1]) by mx1.freebsd.org (Postfix) with ESMTP id 6C78E8FC12 for ; Thu, 12 Feb 2009 13:15:29 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (localhost [IPv6:::1]) by wojtek.tensor.gdynia.pl (8.14.3/8.14.3) with ESMTP id n1CDF2j8081725; Thu, 12 Feb 2009 14:15:02 +0100 (CET) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from localhost (wojtek@localhost) by wojtek.tensor.gdynia.pl (8.14.3/8.14.3/Submit) with ESMTP id n1CDF05K081722; Thu, 12 Feb 2009 14:15:01 +0100 (CET) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Date: Thu, 12 Feb 2009 14:15:00 +0100 (CET) From: Wojciech Puchar To: Polytropon In-Reply-To: <20090212105424.a710de5e.freebsd@edvax.de> Message-ID: <20090212141444.W81609@wojtek.tensor.gdynia.pl> References: <1234423939.27702.4.camel@ethos> <20090212101453.I81232@wojtek.tensor.gdynia.pl> <20090212105424.a710de5e.freebsd@edvax.de> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: Gary Kline , FreeBSD Mailing List Subject: Re: How-to erase a DVD-RW X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Feb 2009 13:15:31 -0000 > > The manpage of growisofs suggests this: > > Note that DVD+RW re-formatting procedure does not substitute for blank- > ing. If you want to nullify the media, e.g. for privacy reasons, do it > explicitly with 'growisofs -Z /dev/dvd=/dev/zero'. which is exactly what i suggested - writing 0 byte disc > > > >> dvd+rw-format will clear DVD+RW disk. > > Definitely much easier. > > > > -- > Polytropon > From Magdeburg, Germany > Happy FreeBSD user since 4.0 > Andra moi ennepe, Mousa, ... > >