Don’t use a solvent-based pen to mark the disc.This is outlined above, in the section for each disc type. For discs that are used for delivery only, or any other temporary use, feel free to break any of these rules. Note that this is for discs that need to last as long as possible. In order to maximize the lifespan of optical discs, we suggest the following precautions. They can provide an important disaster recovery backup function. A safer choice is to write on the clear plastic inner ring or to use discs that feature a surface specifically designed to hold an inkjet print.įIGURE 1 There are three disc types with the same form factor - CD, DVD, and Blu-ray. However, you should be careful to avoid writing on the tops of discs or using adhesive labels. We’ve done data validation experiments on the DVDs, and have found little evidence of data degradation on properly stored discs. With proper handling, a quality optical disc that is burned well should be a valuable backup to a hard-drive-based archive for 5 to 10 years. There is a lot of conjecture and bad information floating around about the longevity of optical discs, but the truth is that we don’t know how long any particular one will last. Data stored on an optical disc can degrade at an unknown rate, leaving you with discs that are partially or totally unreadable. While the capability of playing optical discs will be available long into the future, the particular discs you burn today may not be so lucky. ![]() ![]() Because so much content (music and movies) is distributed in this format, it’s likely that players for these discs will be available long into the future - hopefully long past the time when you have migrated your backup storage to some other medium. CD, DVD, and Blu-ray discs provide a cost-effective and forward-compatible way to backup or transfer your images and footage.
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