Published Apr 26, 2026, 2:30 PM EDT Oliver has been writing about mobile and the wider technology space for more than a decade with bylines on TechRadar, CNET, Inverse, and more. With experience covering breaking news, writing in-depth product reviews, and sharing more than a few opinions, Oliver has been the go-to expert for some of the biggest publications both online and in print. In the world of high-availability data storage, RAID, or Redundant Array of Independent Disks, has almost mythical status. It's the go-to for everything from enterprise data centers to home labs housing media libraries. But it's also wildly misunderstood, and that could cost you a huge amount of data and a lot of heartache. It's a common misconception that data on a RAID array doesn't need to be backed up. That's not the case. And while it's true that RAID arrays can offer redundancy should one of your hard drives fail, you still need a robust backup system in place.…