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Skyera/WD Assigned Patent

Mass storage device and method of operating same to store parity data

Skyera, LLC, San Jose, CA, acquired by Western Digital Corp. and included in HGST, Inc., has been assigned a patent (9,547,554) developed by Danilak, Radoslav, Cupertino, CA, Dong, Guiqiang, San Jose, CA, and Steffko, Ladislav, San Ramon, CA, for a “mass storage device and method of operating the same to store parity data.

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A mass storage memory device is disclosed. The device includes a plurality of blades where two blades are used to store parity data corresponding to data stored in the other blades. The device also includes a controller configured to write data to the blades along stripes extending from the other blades to the two blades, where the parity data within a stripe is based on the data written to the other blades in the stripe, and wherein the parity data includes two or more types of parity data.

The patent application was filed on March 13, 2014 (14/210,009).

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