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What is the largest file transfer you have ever done?
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this post was submitted on 18 Aug 2024
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I worked at a niche factory some 20 years ago. We had a tape robot with 8 tapes at some 200GB each. It'd do a full backup of everyone's home directories and mailboxes every week, and incremental backups nightly.
We'd keep the weekly backups on-site in a safe. Once a month I'd do a run to another plant one town over with a full backup.
I guess at most we'd need five tapes. If they still use it, and with modern tapes, it should scale nicely. Today's LTO-tapes are 18TB. Driving five tapes half an hour would give a nice bandwidth of 50GB/s. The bottleneck would be the write speed to tape at 400MB/s.