Jerome Fine said:
>
> I don't know about retention, but I expect I will be making a backup of the
> long term files about every one or two years. Does anyone know how I
> might test a magneto optical cartridge for long term degradation? Also,
> if I can read the cartridge, does that indicate it is as good as when it
> was written or should it always be written again after 5 years just to be
> sure?
Well, I don't know for sure, but I expect they're pretty good. I know of a
local company that has ~1TB of records dating back many years on MO media, and
they use them regularly (as I understand it, anyway; I don't actually work
there) so the data's probably pretty stable...
- Dan Wright
(dtwright_at_uiuc.edu)
(
http://www.uiuc.edu/~dtwright)
-] ------------------------------ [-] -------------------------------- [-
``Weave a circle round him thrice, / And close your eyes with holy dread,
For he on honeydew hath fed, / and drunk the milk of Paradise.''
Samuel Taylor Coleridge, Kubla Khan
Received on Wed Jul 25 2001 - 10:21:33 BST