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Re: Anyone using DLT, SDLT, LTO for archiving?

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Re: Anyone using DLT, SDLT, LTO for archiving?
on Nov 29, 2007 at 3:59:09 pm

I am facing similar problem. a client i work for need to a. backup of what i daily work with (3-4 hour long dvhdv projects, 30k+ imagebank, 150gb of music),

b. archive of all sort of tapes, from umatic to digibeta and hdv, hi8, audio tapes and what not.
now, this is a grate client ($$) and his data is of critical value (his definition ; not a dropped frame in a hundred years).
i have been digging a lot, and a non-final solution is such;
a. work on raid1, since i don't need much speed for dv and hdv, with extra backup on external drive(*1), using lto3 for imagebank + audio backup (since it doesnt change too often).
outcome is my work is secured by raid1 + external + tape, common media by raid1 + tape.
now, for archiving the tapes, these things always fade into debate on dieing formats, hardware and os. lto and dlt tapes has the best longevity in those terms due to their IT usage, high cost and volumes. lto4 gets to 1.6tb (thats 2:1, expect 800-1100 for video).
my plan out of this equation?
build a basic system that can ingest and output to as many formats as possible, and last for the next 5-10 years, then it's just a matter of hardware upgrade, since the softwaredata can be upgraded progressively.
a light-weight mac pro with a capture card, some local storage but not much, lto4 drive and some dry storage cabinets.
i digitize all the masters, then dub then to a common format like dv, keep them in dry cabinets, digitized stuff goes on lto tape (i didnt do the math, but 800gb per tape is much) and into dry cabinets. lto has another grate feature that video tape doesnt have; error correction. you cam cut off 30mm of tape and still be fine. video has little to none error correction. another thing, once i digitized them, quality is retained. i was planing on using the raw qt captures, maybe someone has a better idea?
then, at some point in the future, another freelance will have to find a way to convert all these ancien qt 7.3 files to something usable, but that is better then trying to find a 30 years old ntsc umatic player in a pal region.

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