On Jan 20, 2005, at 8:40 AM, Richard Starr wrote:
True, this is a bit off topic, but it is real to those of us saving computer
media for a number of years. What is the shelf life of a CD. And which CDs or
DVDs are most archival. And how do we rescue compromized media.
As to CDR data I refer people to the NIST, who did a fairly comprehensive study on the subject. <http://tinyurl.com/478br>
This may not be a joke for those of you who use tape backup systems. Many of
them use 8mm cassettes like the Hi8 tape I'm concerned with.
This is why a good backup system should involve a certain level of media refresh all the time. Data from the oldest tapes are copied to newer ones. Tapes are expensive, but data is irreplaceable.
-- Bruce Johnson
This is the sig who says 'Ni!'
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