What is hard disk short stroking?

This is going to be a short post, to atone for my past sins of overly long posts but mostly because I want to eat dinner.

On storage systems with spinning disks, a favorite method for getting more performance is short-stroking the disk.

It’s a weird term but firmly based on science. Some storage vendors even made a big deal about being able to place data on certain parts of the disk, geometrically speaking.

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