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According to this article, standard CDs and DVDs have a life of only 3 to 5 years. I had been under the impression that they last decades. If the short life is true, we all need a system to copy disks every few years.
The focus of the article, though is a new medium (M-DISKs, optical disks with a mineral layer instead of a dye layer, runs about $2/disk), which will supposedly last 1,000 years. They require an optical drive with a more powerful laser, but the drives are inexpensive, similar to regular drives. It sounds like it is not yet very widely available.
http://askbobrankin.com/will_your_files_last_a_thousand_years.html?pcp
The focus of the article, though is a new medium (M-DISKs, optical disks with a mineral layer instead of a dye layer, runs about $2/disk), which will supposedly last 1,000 years. They require an optical drive with a more powerful laser, but the drives are inexpensive, similar to regular drives. It sounds like it is not yet very widely available.
http://askbobrankin.com/will_your_files_last_a_thousand_years.html?pcp