Date: Fri, 18 Jan 2002 13:38:42 -0500 From: devin-freebsdquestions@rintrah.org To: Joel Dinel <dinjo@touchtunes.com> Cc: freebsd-questions@freebsd.org Subject: Re: DD image of a CDROM Message-ID: <20020118133842.A34184@tharmas.rintrah.org> In-Reply-To: <20020118090529.A57267@sunder.touchtunes.com>; from dinjo@touchtunes.com on Fri, Jan 18, 2002 at 09:05:29AM -0500 References: <20020118090529.A57267@sunder.touchtunes.com>
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On Fri, Jan 18, 2002 at 09:05:29AM -0500, Joel Dinel wrote:
> Hello all,
>
> I'm trying to make a dd image of a data cdrom.
>
> As root :
>
> sunder# dd if=/dev/acd0c of=cdimage.iso
> dd: /dev/acd0c: Invalid argument
> 0+0 records in
> 0+0 records out
> 0 bytes transferred in 0.000309 secs (0 bytes/sec)
> sunder#
>
> My cdrom *is* at /dev/acd0c. I use it everyday.
>
> fstab :
> /dev/acd0c /cdrom cd9660 ro,noauto 0 0
>
> Any clues?
>
> Thanks,
>
specify a blocksize of 2048, i.e. dd if=/dev/acd0c of=cdimage.iso bs=2048
--devin
--
Mathematicians are like Frenchmen: whatever you say to them they
translate into their own language, and forthwith it is something
entirely different.
-- Johann Wolfgang von Goethe
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