Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Cyndi Jung0
Nirmal Raj Saxena0
Andrew Currid0
Mark A. Overby0
Date of Patent
October 11, 2011
0Patent Application Number
124712890
Date Filed
May 22, 2009
0Patent Citations Received
Patent Primary Examiner
Patent 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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