ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,536,136, issued on Jan. 27, was assigned to Hitachi Vantara Ltd. (Yokohama, Japan).
"Storage system and data processing method" was invented by Yoshihiro Yoshii (Tokyo), Takashi Nagao (Tokyo) and Tomohiro Yoshihara (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A processor uses a snapshot virtual device as a storage destination for data of a primary volume and a snapshot volume, compresses data stored in the snapshot virtual device and stores the compressed data in a compression virtual device, and stores the data stored in the compression virtual device in a storage device. When a write request is received from a host, the processor switches, ac...