A Redundant TOrray of Independent Disks or a redundant array of disk independent is a storage system consisting of two or more physical disks to our operating system sees as if they were a single logical unit.
A Redundant KWArray wa Mimindependent Disks au safu redundant ya diski huru ni Hifadhi ya mfumo yenye ya mbili au zaidi diski kimwili kwa mfumo wetu wa uendeshaji anaona kama walikuwa kitengo kimoja cha mantiki.