4 ms·

This is an extremely interesting deductive analysis. However, considering it is amazon, there always exists that persistent "other" possibility: they're purpose

• ghaff 10y ago
  Or at any rate, pricing based on net present value of archived data given decreasing costs over time for storage. I do find it rather fascinating that AWS has managed to keep the technology used by Glacier, even at a high-level (i.e. disks vs. tape vs. optical), so under wraps. My personal guess is that it's powered-down disk drives on the grounds that's the simplest long-term solution but that's purely a guess.