Packrat or Archivist? [ was Adventures in GPG ]
Tom Buskey
tom at buskey.name
Thu Mar 22 08:15:13 EDT 2007
On 3/21/07, Ben Scott <dragonhawk at gmail.com> wrote:
>
> On 3/21/07, Tom Buskey <tom at buskey.name> wrote:
>
> I *have* heard horror stories about optical discs. Manufacturing
> defects have lead to problems after only a few years. Apparently,
> those giant spindles of unmarked media you can buy for ten cents a
> disc suffer from poor quality control. Whodathunkit? ;-)
I've been putting my photos on archival gold DVDs. They have a special
scratch resistant layer as well. Along w/ multiple cheap copies.
Good quality optical media, properly stored (not just light --
> temperature and humidity matter, too) is probably a pretty safe bet.
>
> I would be interested to see hard data of actual performance in this
> area, though. Not simulations in test chambers, but actual longevity.
> From an unbiased source, not a CD-R manufacturer. With a decent
> sample size. Something like "FooCo has a library of 5000 CD-R discs,
> over 2000 of which are at least ten years old. They tested 50 discs,
> and found no failures.
NIST has a paper out on CD archival stuff.
Photographers are very interested in the topic. They used to being able to
"store slides in a shoebox for 50 years". Now they have horror stories
about losing all the photos on a drive. Workflow and inventory management
is key for a pro.
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