Raid-6 computation system and method

Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital data error correction

Reexamination Certificate

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C714S758000

Reexamination Certificate

active

08037391

ABSTRACT:
One embodiment of the present invention sets forth a technique for performing RAID-6 computations using simple arithmetic functions and two-dimensional table lookup operations. Four lookup tables are computed and saved prior to normal operation of a RAID-6 disk array. During normal operation of the RAID-6 disk array, all RAID-6 related computations may be performed using a small set of simple arithmetic operations and a set of lookup operations to three of the four previously saved lookup tables. Greater computational efficiency is gained by reducing the RAID-6 computations to simple operations that are performed efficiently on a typical central processing unit or graphics processing unit.

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