• A storage unit consisting of multiple hard disks among which data is distributed, for increased performance, fault-tolerance, and data backup. A RAID employs disk striping to improve performance, and may also provide disk mirroring and error correction for fault-tolerance and data recovery. Such a disk array has a single controller and array manager. Used, for instance, in network servers. Also called RAID array, or RAID disk array.
  • A method of data storage utilizing a RAID (1).

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