Do I need to backup my Amazon S3 bucket?
If I store critical data in an Amazon S3 bucket, do I need to keep a backup copy somewhere else, or duplicate everything to a second bucket? I searched high and low for an answer to the question, and couldn’t find a definitive word. I guess I should have read Amazon’s own design requirements first…
Amazon S3 was built to fulfill the following design requirements:So there you go. Amazon S3's massive infrastructure acts as a backup unto itself. If you store data in a bucket, it's already being duplicated behind the scenes. Good stuff.
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- Reliable: Store data durably, with 99.99% availability. There can be no single points of failure. All failures must be tolerated or repaired by the system without any downtime.
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