From owner-freebsd-questions@FreeBSD.ORG Sat Dec 5 05:34:15 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 EF896106566B for ; Sat, 5 Dec 2009 05:34:14 +0000 (UTC) (envelope-from anti_spam256@yahoo.ca) Received: from web65511.mail.ac4.yahoo.com (web65511.mail.ac4.yahoo.com [76.13.9.55]) by mx1.freebsd.org (Postfix) with SMTP id 95A868FC0C for ; Sat, 5 Dec 2009 05:34:14 +0000 (UTC) Received: (qmail 96233 invoked by uid 60001); 5 Dec 2009 05:34:13 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.ca; s=s1024; t=1259991253; bh=nGs78wewqVLl3OpuXJTK28O+R9PFvua9uCvulgtAFZ0=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=vutCFQpIqXieve4qBUeyvqk+mJdI2RFjUlRVOOqo9rHjEHdPOb55J8gB9w9QzNPxkuZ/JjniQU3BV2MCfhyx/gBc2kzPfQmODWsHai80Dat9nLegGqxz2n5+LX7B/HfophCwdu1xSXrWP6pTCuW2DVKQfv0F3dD5pDaknbbXUzc= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.ca; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=t7rvAIS9bOERjrW7RLG9ooH34vv23AeyHxv1uNrTn+ESBxSH8pM4DZ++bu5AwRf3vgM7sEYn0dE5HFShgCIDesLVDy7h8RMXxE1uYRuxYJxLwsisGA7DzCjweMci2lyXuYhtoWUehjg/2ggc3W5eeWjBlK9dj5S/2XF41G0GrRg=; Message-ID: <853320.94407.qm@web65511.mail.ac4.yahoo.com> X-YMail-OSG: g_XrTPcVM1mZcIFnl_YgnSl0l0q.KeLPfja9i9FaoZPcs1L1v71noX3ENvaMC996b6WzZzq6khh4bGaGf1cybxYpagOIGcTp_8dDXTkVBItD__uZ2luUtQL3AeBzzbLdi8P0QdK1DRBPJEVcO0elTdJza7mwL7pJFTLgVruS6e1moVB7oMpXL626ofR6wfIL6UlOa_G30_hnQxyQzRmzEUNd4aeR6us6YxAJhZFzPZljxLNuAzYJXaBgSm16UQk1XJ7Y4mMmKg_xjVyj25au685nuWl1nCtZR3JYvYkUDhAF5uSRwMkkheHi1Yi8EbLCEmEhNGpmkXeVFPnY8MYLVeSAhuAm6ALbSkFBTI_oeDOxMyHogAb_TZu.yiu86quRLkHrPVmPtZm.9TNaOyWs_3Qfb2XH3JdGHtfvWI6d5Q-- Received: from [208.99.137.71] by web65511.mail.ac4.yahoo.com via HTTP; Fri, 04 Dec 2009 21:34:13 PST X-Mailer: YahooMailClassic/8.1.6 YahooMailWebService/0.8.100.260964 Date: Fri, 4 Dec 2009 21:34:13 -0800 (PST) From: James Phillips To: Al Plant In-Reply-To: <4B19627F.7020908@hdk5.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Cc: freebsd-questions@freebsd.org Subject: Re: [Solved] Having problems burning a DVD 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: Sat, 05 Dec 2009 05:34:15 -0000 =0A=0A--- On Fri, 12/4/09, Al Plant wrote:=0A=0A> From: Al P= lant =0A> Subject: Re: [Solved] Having problems burning a DVD= =0A> To: "James Phillips" =0A> Cc: freebsd-questions= @freebsd.org=0A> Received: Friday, December 4, 2009, 12:26 PM=0A> James Phi= llips wrote:=0A=0A> > I noticed that the hash does not match the ISO= file.=0A> Is that normal for DVDs? For CD images I often get the md5=0A> h= ash to match.=0A=0A> Aloha JP,=0A> =0A> This is what I use on FreeBS= D from the command line to burn=0A> DVD's.=0A> I have used it on FreeBSD 8*= for a while. (Simple and it=0A> works.)-=0A> =0AYes, I got that far, hence= the [Solved] tag.=0A=0AI was mainly concerned that I made a mess of my /bo= ot/loader.conf=0A=0AI am also a little concerned that the DVD only reads a = ~1.5MB/s (a little faster than 1x), but it appears to work. Burning happene= d at ~7x according to growisofs.=0A=0A> =0A> Then> Run # growisofs -dvd-com= pat -Z=0A> dev/cd0=3D/usr/home/alp/FreeBSD_7/7.2-RELEASE-p1-i386-disc1.iso= =0A> (all on one line)=0A> =0A> Then> Use=A0 cd0 as a DVD burner and make t= he DVD-R=0A> =0A> I tested the DVD on a spare box and it installed just=0A>= fine.=0A> =0A=0AI found out why the checksum didn't match: the "-dvd-compa= t" option adds 6 2048 byte sectors of zeros to the end of the disk.=0A=0ASo= , I was able to verify the md5 sum by reading only the number of sectors pr= esent in the iso file.=0A=0A$ dd if=3D/dev/dvd bs=3D2048 count=3D996586 | m= d5=0A=0AI noticed the size discrepancy while doing a binary search using th= e iseek (dd)(and count) argument(s) to narrow down the location of the corr= uption.=0A=0ARegards,=0A=0AJames Phillips=0A=0A=0A=0A ________________= __________________________________________________=0ALooking for the perfec= t gift? Give the gift of Flickr! =0A=0Ahttp://www.flickr.com/gift/