Terrance Dobro Offline Image Upload: Off
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We can debate each individual backup technique there is because there's pros and cons to everything. DVD's that aren't professionally produced in a factory are burned and not stamped so you'll always have problems with oxidation, environment, etc. Personally, I've never had a DVD fail on me that was kept in a "controlled" environment like a filing cabinet. My MP3 CD left on my dashboard during the summer? Life expectancy was about 2 months. As for the Gold DVD's that are supposed to last 100 years, I've never heard one way or another but it's a bold statement for a technology that's been around only 30 years.
Hard drives aren't a much better cure-all. They degrade over time due to there being moving parts and being exposed to a computer's worst enemy: heat. Solid state drives are the new toys that's supposed to eliminate those problems but they're still expensive.
Online backup services can be expensive and there's always the chance of a company folding or having a catastrophic event (earthquake, fire, etc - which HAS happened to a back up service). Plus there's the lack of convience due to transfer rates.
Then there's the ZIP drives, tape backups, etc. Problem is, technology moves on and what works great now you may not even be able to access later because technology has moved on - one of the reasons why the Library of Congress still has microfilm and microfiche: so they can access pre-IBM archives.
The bottom line, like many have said, we are not archivists by trade. A combination of technologies are going to give you piece of mind and ensure that you keep the files for as long as you see fit. The most important thing is to back-up at least once and keep it someplace away from your computer in the event you have a break-in, fire, or "HUA" moment.
As for me, I download everything to the computer and then back-up on 5 3/4" floppies and cassette-tape drives...
My last wedding only took 1284 floppies!
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