How is this constructive to what OP asked? I don't think OP should answer you, because if they do instead of people addressing their actual issue, it will beco

How is this constructive to what OP asked? I don't think OP should answer you, because if they do instead of people addressing their actual issue, it will become an irrelevant rabbit-hole discussing backup best practices or the cost-effectiveness of AWS's various data storage solutions. Personally I've seen AWS's S3 Glacier commonly recommended including in Ask HN or Reddit's data hoarder sub. Therefore, that is a good answer: It is a popular data storage solution. Now back to OP's actual issue...