My company moved EiBs of data off of tape a few years ago. It was reliable and durable, but the problem was read speed. It took so long to move tapes around an

My company moved EiBs of data off of tape a few years ago. It was reliable and durable, but the problem was read speed. It took so long to move tapes around and read the sequentially (no random access!), and as the data corpus grew it got harder to have a practical backup, even though the data was still theoretically extant.