From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1NAQBY-0005EV-AG for garchives@archives.gentoo.org; Tue, 17 Nov 2009 15:41:40 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 7AF7CE08A5; Tue, 17 Nov 2009 15:41:02 +0000 (UTC) Received: from smtp.gentoo.org (smtp.gentoo.org [140.211.166.183]) by pigeon.gentoo.org (Postfix) with ESMTP id 57F6BE08A5 for ; Tue, 17 Nov 2009 15:41:02 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp.gentoo.org (Postfix) with ESMTP id 0DD5465DA5 for ; Tue, 17 Nov 2009 15:41:02 +0000 (UTC) X-Virus-Scanned: amavisd-new at gentoo.org X-Spam-Score: -3.037 X-Spam-Level: X-Spam-Status: No, score=-3.037 required=5.5 tests=[AWL=-0.438, BAYES_00=-2.599] Received: from smtp.gentoo.org ([127.0.0.1]) by localhost (smtp.gentoo.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id KHawLawpUtA3 for ; Tue, 17 Nov 2009 15:40:55 +0000 (UTC) Received: from lo.gmane.org (lo.gmane.org [80.91.229.12]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.gentoo.org (Postfix) with ESMTP id 3C04864904 for ; Tue, 17 Nov 2009 15:40:54 +0000 (UTC) Received: from list by lo.gmane.org with local (Exim 4.50) id 1NAQAf-0002uw-Ay for gentoo-user@gentoo.org; Tue, 17 Nov 2009 16:40:45 +0100 Received: from mn-69-34-67-62.sta.embarqhsd.net ([69.34.67.62]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 17 Nov 2009 16:40:45 +0100 Received: from grant.b.edwards by mn-69-34-67-62.sta.embarqhsd.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 17 Nov 2009 16:40:45 +0100 X-Injected-Via-Gmane: http://gmane.org/ To: gentoo-user@lists.gentoo.org From: Grant Edwards Subject: [gentoo-user] Re: Reading a DVD as an ISO image Date: Tue, 17 Nov 2009 15:40:15 +0000 (UTC) Message-ID: References: <20091117062411.GA16698@malaquias.DHCP-GERAL> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: mn-69-34-67-62.sta.embarqhsd.net User-Agent: slrn/pre0.9.9-102 (Linux) Sender: news X-Archives-Salt: abea716e-1c41-4b8b-8cf2-1d8c0fd12809 X-Archives-Hash: 7a6a61f8a0b9da367db5855f019d3369 On 2009-11-17, Jos? Romildo Malaquias wrote: > Once I have written a dvd ISO image to a dvd-r disk and then I have > deleted the image from the hard disk. Now I need the image again, but > reading the image from disk does not give me an identical image to the > original one. > > I have used the commands > > $ readcd -vvv dev=/dev/dvd f=image.iso > > and > > $ dd if=/dev/dvd of=image.iso > > With both commands, the resulting image is 99.9% identical to the > original one. If you deleted the original, how do you know? the one you're creating from the DVD isn't identical? > Is there anything I can do to get an image identical to the > original one? Since you still seem to have a copy of the original ISO, just use it. -- Grant Edwards grante Yow! I'm also pre-POURED at pre-MEDITATED and visi.com pre-RAPHAELITE!!