Date: Mon, 24 May 2010 19:30:11 +0200 From: "C. P. Ghost" <cpghost@cordula.ws> To: Matthias Apitz <guru@unixarea.de> Cc: freebsd-questions@freebsd.org Subject: Re: Verifying a DVD Message-ID: <AANLkTinDbWjoMXG0-A8atyUJee5CX8h_iUZoaGh8S0gB@mail.gmail.com> In-Reply-To: <20100524073052.GA2510@current.Sisis.de> References: <76E02DE6-9A61-4D24-9638-ABB7418711D9@lafn.org> <20100524073052.GA2510@current.Sisis.de>
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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. --=20 Cordula's Web. http://www.cordula.ws/
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