Date: Mon, 25 Jul 2005 10:38:31 -0700 From: Glenn Dawson <glenn@antimatter.net> To: garys@opusnet.com (Gary W. Swearingen), Brian Henning <brian.henning@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: burncd - verify burn Message-ID: <6.1.0.6.2.20050725103726.10b56b50@cobalt.antimatter.net> In-Reply-To: <jek6je23d2.6je@mail.opusnet.com> References: <1f75ab0e05072510117c119a1d@mail.gmail.com> <jek6je23d2.6je@mail.opusnet.com>
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At 10:38 AM 7/25/2005, Gary W. Swearingen wrote: >Brian Henning <brian.henning@gmail.com> writes: > > > I would like to know a process to verify that I my cd burner has > > burned an ISO file correctly with burncd. I know I can take some > > precautions like checking the md5sum of the iso during a transfer from > > the Internet. I also read on the Internet that burncd does puts some > > extra padding at the end of the cd. I am not sure if that is true or > > not. Could someone tell me how to verify a cd burn? > >Here's a crummy script I just used to burn and verify a CD, but I've >only tested it with the "cdrecord" setup. Older versions of it worked >with "burncd" on older OS versions, but I can tell you that the reason >I'm using "cdrecord" is that my manual efforts to do this with >"burncd" on 5.4-RELEASE (and maybe 5.4-STABLE a couple weeks ago) >failed, because I couldn't "dd" a CD burned with "burncd". (IE, I >couldn't sucessfully "dd" /dev/acd0, while I could "dd" /dev/cd0). did you use bs=2048 when dd'ing from /dev/acd0? -Glenn
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