Lenovo Assigned Patent
Managing SSD in RAID
By Francis Pelletier | November 4, 2015 at 4:23 pmLenovo Enterprise Solutions, (Singapore) Pte. Ltd., Singapore, has been assigned a patent (9,164,840) developed by Cudak, Gary D., Creedmoor, NC, Hardee, Christopher J., Humes, Randall C., Raleigh, NC, and Roberts, Adam, Moncure, NC, for a “managing a solid state drive, (SSD) in a redundant array of inexpensive drives, (RAID).”
The abstract of the patent published by the U.S. Patent and Trademark Office states: ”Managing an SSD in a RAID, including: detecting, by a RAID engine, a number of cell failures of the SSD exceeding a predetermined threshold, responsive to detecting the number of cell failures of the SSD exceeding the predetermined threshold: redirecting, by the RAID engine, a write of data not originally stored in the RAID to a drive in the RAID other than the SSD, and redirecting, by the RAID engine, writes originally directed to data stored on the SSD to another drive in the RAID, including unmapping the data stored on the SSD.“
The patent application was filed on July 26, 2012 (13/558,485).