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[physorg] - GE announces 500 GB holographic disc writer - Page 6

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Quote:
Originally Posted by tha d0ctor View Post
I have 2TB of movies that this would be perfect for !
Must have taken you forever to upload all those films from the physical discs you bought
post #52 of 54
I'm not entirely sure that any digital medium is really suited for long term archiving.

Quote:
Originally Posted by cdesewell View Post
Hard drives if stored in the right conditions will live longer than optical media.
Why? I don't agree. Anything with requisite moving parts will not last as long as static media.

Quote:
You argue that optical media lasts 50/100 years. Whats the point if you backup every six months its a waste. You will be destroying the old backups long before the hard drives are even close to failing.
If you are creating a long term archival solution for, say, a large amount of scanned historical documents that won't be updated, the shelf life of the media will be important. You'll need to scan for degradation or corruption, checksums, replace media in intervals, etc.

Not all backups get written to every night, but for regular backups I agree that optical media is sloppy.

Quote:
Hard drives are bootable media. I.E. You can boot straight into your backed up OS/System it doesnt have to be copied over and there is no "recovery" process from the optical media.
Most commercial backups I've seen aren't done from a single OS perspective, they are done from a large networked archive. Backing up the OS is irrelevant to data backup in my opinion. If we are talking about home users, the level hardly needs to be archival.
Edited by _02 - 7/28/11 at 11:34am
    
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post #53 of 54
i would love to have 500gb holographic writer.. i could use that with my archiving of personal data and science data >_<
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