What are RAID Volumes and How to Set Them Up on Your Mac

 

Everyone has important data on their computers, and no matter which hard disk or SSD you use, there are chances of disk failure that results in data loss; that is exactly why we create backups. The thing with backups, though, is that you need to restore data from them, back into your computer. Why not use a fault-tolerant setup, instead? 

RAID is a combination of multiple disks that can be set up to be fault tolerant, in a sense. So that if one or more of the disks in the RAID volume fail, your data is still available to you.

In this article we’ll get you up to speed on what RAID actually is, and how you can use it to either keep data safely backed up, or to increase the read/write speed on the internal as well as external disks.

What is RAID?

RAID stands for Redundant Array of Independent Disks. Previously, it stood for Redundant Array of Inexpensive Disks, because it was originally meant to show that multiple inexpensive disks when RAIDed could perform equal (if not better) to high-end, large, enterprise storage disks.

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