ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,769,469, issued on Oct. 20, was assigned to Hitachi Vantara Ltd. (Kanagawa-ken, Japan).
"Storage system and storage control method of performing garbage collection on address that are not mapped in snapshot family" was invented by Ryosuke Tatsumi (Tokyo), Tomohiro Yoshihara (Tokyo), Takaki Matsushita (Tokyo), Yusuke Yamaga (Tokyo) and Naoyuki Masuda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A storage system includes a storage device and a processor. The storage device stores first mapping information and second mapping information. The first mapping information includes information indicating mapping, between an address of a respective volum...