Welcome to the ZyXEL Networking Glossary - your definitive source for descriptions of networking terms and ZyXEL's product features.
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RAID parity is a way to allow data recovery in the event of disk failure in a RAID volume. If a single disk in the volume goes down, then data can be reconstructed from parity bits stored in the other disks in the volume. As data does not have to be duplicated in order to be restored, storage space is maximized. See also RAID, Volume, Mirroring.