ALEXANDRIA, Va., June 19 -- United States Patent no. 12,333,174, issued on June 17, was assigned to HITACHI VANTARA LTD. (Kanagawa-Ken, Japan).
"Data management system, volume access control method and non-transitory computer readable medium" was invented by Kazuma Okamoto (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Security is improved when creating a remote copy pair while suppressing performance deterioration of the overall system. In a data management system 1, when a user logs in, a first storage (main site storage 20) uses an external authentication server 50 to authenticate the user's access to its own storage and retains issued authentication information. Subsequently, when a command instru...