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Re: DVD backup failure

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John Mitchell
Re: DVD backup failure
on Jun 27, 2008 at 6:30:05 am

Craig is spot on here. Not all DVD media is created equal and you have to be sure you don't get stufff that says it's Verbatim or Taiyo but is actually just some cheap counterfeit brand using their code. Around the industry Taiyo Yuden is accepted as the best quality optical media. Verbatim are very good but you can still get the odd bad batch as they use other factories outside their own (strictly supervised) to produce media and brand label it. Taiyo do not use this process. Do not buy of eBay unless you know the dealer to be reputable.

Verifying disks (as you have discovered) is no guarantee that they will still work a week from now. Cheaper brands use dyes that deteriorate over time.

Try using a program like DVD Decrypter on a PC to see if you can do a sector by sector copy of your files. Try a different disk drive - some drives may pick up the data better than others. If the disk surface has been handled at all (they shouldn't be) try washing the disk in warm soapy water and using a soft cloth to blot it dry. Don't use tissues unless they are lens cleaning grade as others contain wood fibres which can scratch the disk. Never wipe or clean in a circular motion - always straight across the disk from the centre to the outside.

Apart from BluRay and DVD I see no other viable long term storage for digital data. Hard drives are less reliable than good quality optical media.

Sorry about your problems.




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