US Patent Issued to INTERNATIONAL BUSINESS MACHINES on Feb. 17 for "Data migration between compressed and non-compressed ranks" (Arizona Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,554,431, issued on Feb. 17, was assigned to INTERNATIONAL BUSINESS MACHINES Corp. (Armonk, N.Y.).

"Data migration between compressed and non-compressed ranks" was invented by Clint A. Hardy (Tucson, Ariz.), Matthew G. Borlick (Tucson, Ariz.), Beth Ann Peterson (Tucson, Ariz.) and Lokesh Mohan Gupta (Tucson, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A score is generated for each extent in a storage device based on a plurality of factors including storage capacities, expected compression ratios, and statistics on reads and writes. An extent is moved between a compressed rank and a non-compressed rank based on the generated score."

The patent w...