Object storage is simple until it isn't. These are the problems that come up in practice — why a transfer failed, how to hand someone a file safely, what a setting actually changes — explained so they stay solved.
A 40 GB upload that dies at 78% and starts over is not bad luck. How multipart upload works, how to choose a part size, and the resume mistake that silently corrupts files.
SharingFour ways to hand someone a file from a bucket, and why two of them are dangerous. Presigned links, public buckets, the seven-day ceiling, and the revocation problem nobody mentions.
Setup guideBuilding the endpoint URL, why the region must be auto, path-style
addressing, and why a bucket-scoped token returns AccessDenied on ListBuckets when
nothing is actually wrong.
Standard, Infrequent Access, Glacier and Deep Archive in plain terms, plus the minimum duration and object size rules that make cold storage cost more than Standard.