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Definition: RAID 10

(Redundant Array of Independent Disks Mode 10) A RAID subsystem that increases safety by writing the same data on two drives (mirroring), while increasing speed by interleaving data across two or more mirrored "virtual" drives (striping). RAID 10 provides the most security and speed but uses more drives than the more common RAID 5 method. See RAID 5, RAID 1, RAID 0 and RAID.

RAID 10 Architectures
With RAID 1+0, the drives are set up as mirrored pairs and then striped. In this configuration, a drive in each mirrored pair can fail. In RAID 0+1, they are striped first, and then mirrored. If a drive fails in one of the stripe sets, then the other stripe set must be used, and no drive can fail in that set.