ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,461,897, issued on Nov. 4, was assigned to HITACHI LTD. (Tokyo).
"Cloud data base system and data management method" was invented by Takaki Matsune (Tokyo), Yukihiro Yoshino (Tokyo) and Akio Tatsumi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides a cloud data base system and a data management method that can reorganize a DB without stopping and without affecting business in a cloud. The cloud data base system includes a virtual machine provided by a cloud service, an object storage, and a volume configured to store a DB. When the DB is reorganized, the virtual machine switches an issue destination of an IO from a first pseudo...