At the very simplest level, RAID combines multiple hard drives into a single logical unit. Thus, instead of seeing several different hard drives, the operating system sees only one. RAID is typically used on server computers, and is usually (but not necessarily) implemented with identically sized disk drives. With decreases in hard drive prices and wider availability of RAID options built into motherboard chipsets, RAID is also being found and offered as an option in more advanced personal computers. This is especially true in computers dedicated to storage-intensive tasks, such as video and audio editing.

RAID 1 provides our servers with a level of redundacy were the primary drive is mirrored on a second drive. In the event of failure of the primary drive the RAID drive assumes delivery of all requests in a close to seamless manner.

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