Is Your Data Safe Long Term on Optical Disks?
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So you’ve backed up all of your precious data on CD or DVD disks and now the data is safe for decades. Wrong. Better re-think your archival strategy.
Preserving precious data, such as pictures and home videos, on CDs and DVDs could do more damage than good in the end. That’s what the French National Centre for Scientific Research has found out after testing the longevity of the portable media. “We were surprised to see that the lifetime of discs, some of which were designed to last for centuries, actually rarely lasted longer than five to 10 years,” said physicist Franck Laloe.
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