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Oh, I see. I'm shamefully ignorant about everything concerning backups, so I just googled "Amazon S3 Glacier" and compared some numbers that pop up to some other providers.

> a delay of at least 6-12 hours before the first byte of retrieval occurs

Huh. I wonder how it actually works behind the curtains. Do hey actually use HDDs to store all of that, or maybe is there some physical work involved in these 12 hours to retrieve a tape-drive from the archive…




From what I remember, Deep Archive uses tape libraries, and retrieval requires a robot fetching tapes quite often, leading to that delay.




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