From owner-freebsd-newbies  Mon Sep 10 20: 0:44 2001
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Date: Tue, 11 Sep 2001 06:01:07 +0300
From: Giorgos Keramidas <charon@labs.gr>
To: "David C. Snyder" <dsnyder@web.turner.com>
Cc: FREEBSD-NEWBIES@FreeBSD.ORG
Subject: Re: CD -> ISO-9660 Image
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In-Reply-To: <Pine.BSF.4.33.0109101838570.371-100000@dcs-vaio.turner.com>; from dsnyder@web.turner.com on Mon, Sep 10, 2001 at 06:47:45PM -0400
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From: David C. Snyder <dsnyder@web.turner.com>
Subject: CD -> ISO-9660 Image
Date: Mon, Sep 10, 2001 at 06:47:45PM -0400

> Hello,
> 
> I'm in the process of _upgrading_ my last Linux box to FreeBSD.  The
> only common task for which I have not found a FreeBSD equivalent is
> creating an ISO 9660 image from a CD-ROM.  Under Linux, I could do
> something like this:
> 
>    dd if=/dev/scd0 of=/data/images/new-image.iso
> 
> Once this is done, I can either record the image to a blank CD, or
> mount it as a vnode disk that can be NFS exported or shared via SAMBA.

It works in FreeBSD too, but you have to explicitly request that
bs=2048 (the size of single a sector is not 512 in cdroms).  Example:

	# dd bs=2048 if=/dev/acd0c of=/home/ftp/ISO-IMAGES/win98osr2.iso

-giorgos

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