ALEXANDRIA, Va., June 19 -- United States Patent no. 12,333,185, issued on June 17, was assigned to HITACHI VANTARA LTD. (Yokohama, Japan).
"Storage system and data restoration method" was invented by Kazuki Matsugami (Tokyo) and Akira Deguchi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "This invention prevents valid data written from a healthy host from being lost when restoring data corrupted by a host infected by malware from a backup. In the disclosed storage system, a storage controller records history of data updates to data in volumes made by hosts (host computers) as update history information (an update history management table) with information that can identify the hosts respectively. Whe...