Life of your storage media
This is a direct quote from a ezine I get, the poster is a librarian whose specialty is document preservation, I present this for a heads up, you can determine if it is helpful to you or not, good luck:
QUOTE:
"The polystyrene cases in which CD-ROMs & DVDs are sold are acceptable for long-term storage. Jackets made of paper (unless it is acid-free, archival paper), cardboard, PVC, and plasticized polymers are not recommended. Adhesive labels can cause long-term problems and affect the balance of the disk during reading. If you're planning on writing directly on the disk with a felt tip pen and expect to save that disk for a long time, consult the pen manufacturer to see if there are any potential problems with the ink interacting with the surface of the disk. In the event of degradation or if the media begins to become obsolete, the data should be transferred to new media. While there is some debate about how often this transfer really needs to be done, to be safe one should refresh one's storage media every thirty-six to sixty months."
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