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Comment by mitxela

4 hours ago

S3 is advertised as having 11 9's. That means in the entire history of S3 they've only lost a handful of objects, and will continue to lose objects at this same rate.

You are confusing the concepts, and applying the 11 nines to the wrong problem.

Durability is about: "If I successfully store an object in S3, how unlikely is S3 to permanently lose that object because of storage failures?"

It does not answer: "Will I be able to access that object, after a rain of Shahab-1 or Shahab-2 burn all data centers in the 3 availability regions across which my S3 bucket is spread out..."