In a message dated 06-03-15, Sean Dennis said to Holger Granholm:

GM Sean,

HG> No they don't.  Just like music cassettes the magnetic information
HG> migrates between the rolled up tape layers.

SD> If you're using digital quality tapes, not the old analog ones,

Well, I used the the "old" analog tapes so that's where my experience
came from.

SD> The average life of a CD/DVD is two to five years.

SD> See:
SD> http://www.archives.gov/records-mgmt/initiatives/temp-opmedia-faq.html

Yeah, I've seen test (comparisons) reports of different manufacturers
products.

SD> However, nitpicking aside, any good backup is better than no backup
SD> at all, no matter what medium you use to back it up with!

I agree, even the old analog tapes fulfilled their mission for short
term backups.


73 de Sam, OH0NC

aka Holger

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