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Definition: disk array

Two or more disk drives built into a stand-alone unit, which may or may not be in a RAID configuration (see RAID). Also called a "drive array" or "storage array," a disk array generally refers to magnetic disks or solid state disks; however, optical drives (CD, DVD, etc.) also come in multi-drive units (see optical disc library). See JBOD, SAN, NAS and server farm.