You're also paying for spatial distance and independence. Redundant backups in the same location can all fail together. See https://youtu.be/OAI8S2houW4?t=285 h

You're also paying for spatial distance and independence. Redundant backups in the same location can all fail together. See https://youtu.be/OAI8S2houW4?t=285 https://youtu.be/OAI8S2houW4?t=285 for one amusing case.