Regardless of whether you have come across the term redundant array of independent disks or redundant array of inexpensive disks, you should know that you are dealing with the concept of fault tolerance. RAID is a technology that combines a considerable number of physical disks into a single logical unit so that it can protect data in the case of disk failure. At the same time, note that RAID is not a backup solution and should never be considered as such.
Let's begin by learning about the different types of RAIDs.
