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Date: Mon, 24 May 2010 19:30:11 +0200
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From: "C. P. Ghost" <cpghost@cordula.ws>
To: Matthias Apitz <guru@unixarea.de>
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Cc: freebsd-questions@freebsd.org
Subject: Re: Verifying a DVD
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On Mon, May 24, 2010 at 9:30 AM, Matthias Apitz <guru@unixarea.de> wrote:
> I think it isn't important how many blocks are on the DVD, but more
> important that a) all files area readable on the DVD and b) are MD5
> identically with the original on the hard disk. That's why after burning
> a tree of files for backup to some DVD I use a combination of
> find+md5+sort+diff to verify the result.

I did that too before switching to sysutils/dvdisaster to augment the
images with CRCs and ECC blocks. Especially those ECC blocks
saved the day for me on more than one occasion. Highly recommended
for long(er) time storage.

> HIH
>
> =A0 =A0 =A0 =A0matthias

-cpghost.

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