spanned array

An array of arrays. Used in RAID level-00, level-10, level-1E0, and level-50 to permit the use of larger numbers of physical drives. The spanned array contains arrays, each of which contains a sub-logical drive, which can be RAID level-0, level-1, level-1E, or level-5. The RAID-level for the logical drive contained within the spanned array is 0.

 

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