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Date:      Mon, 19 May 2003 18:45:13 -0700
From:      Joshua Oreman <oremanj@webserver.get-linux.org>
To:        Warren Block <wblock@wonkity.com>
Cc:        questions@freebsd.org
Subject:   Re: Creating a bin or ISO image of a CD??
Message-ID:  <20030520014513.GB65043@webserver.get-linux.org>
In-Reply-To: <20030519192420.I24726@wonkity.com>
References:  <Pine.GSO.4.44L0.0305191912530.23582-100000@shell.core.com> <20030519200918.U95244@Gina.esfm.ipn.mx> <20030519192420.I24726@wonkity.com>

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On Mon, May 19, 2003 at 07:28:45PM -0600 or thereabouts, Warren Block seemed to write:
> On Mon, 19 May 2003, Eduardo Viruena Silva wrote:
> 
> > try:
> >
> > 	dd if=/dev/acd0c of=my_image bs=2352
> 
> Hmmm.  This brings up something I've wondered about.  I always use
> bs=2k to match the actual sector size of CDs.
> 
> But does it matter?  Is there any reason not to use a larger buffer size
> to speed up reading CDs?

As long as you use a multiple of the same size, you should be fine. However,
the block size you pick should also be a multiple of the size of the track
you're ripping. It'll still work otherwise, but `dd' will complain.

HTH,
-- Josh

> 
> -Warren Block * Rapid City, South Dakota USA
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