Media Longitevity/Care

[Dwight K. Elvey]

>From: Saquinn624 at aol.com
>
>Coming in on this a little bit late, but if you haven't checked out the 
>Library of Congress you should. 
>www.loc.gov/preserv gives you a basic run down of ways to care for archived 
>materials, and the NIST/CLIR puts out Special Publication 500-252 "Care and 
>Handling of CDs and DVDs - A Guide for Librarians and Archivists" (e-version 
>available).   Other tips- gold disks, AZO dye are reputed to last longer.
>The phenomenon of failure from the outside in has interesting possibilities- 
>have software write a known pattern in the outermost section of the disc and 
>pop up a warning when it starts to deteriorate. Hopefully this would give 
>enough time to move data to another disk.
>
>- Scott Quinn
>

Hi
 This does require regular reading of the archived disk. This
is not necessarily an easy thing to do.
Dwight