The Redundant Array of Independent Disks 2 (RAID 2) is one of the RAID levels. However, it is outdated and is rarely employed in modern computing systems.

Regardless of its technical architecture, RAID 2 was not common due to its cost and complexity. The emergence of affordable and more effective error-correcting techniques and R setups, such as RAID 6 AND RAID 5, rendered RAID 2 obsolete.

Description of RAID 2