Back when I was a novice service tech and barely knew anything about system administration, one of the few topics that we were always expected to know cold was RAID — Redundant Array of Inexpensive Disks.
It was the answer to all of our storage woes. With RAID we could scale our file systems larger, get better throughput and even add redundancy, allowing us to survive the loss of a disk, which, especially in those days, happened pretty regularly…