Patents by Inventor SHUSEN MEI

SHUSEN MEI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Apparatus and method for managing storage for placing backup data into data blocks based on frequency information
    Patent number: 9971527
    Abstract: A storage management apparatus includes an acquiring unit and a control unit. When a first storage apparatus is active and a second storage apparatus is on standby and backup data corresponding to a plurality of data stored in the first storage apparatus are stored in the second storage apparatus, the acquiring unit acquires frequency information from the first storage apparatus, which shows frequency of access from a host apparatus to individual data in the plurality of data. Based on the frequency information, the control unit executes a deciding process that decides in which out of a plurality of storage regions with different access performance provided by the second storage apparatus respective data in the backup data are to be placed, and transmits instruction information to the second storage apparatus, which has the respective backup data placed in the storage regions decided by the deciding process.
    Type: Grant
    Filed: November 2, 2015
    Date of Patent: May 15, 2018
    Assignee: FUJITSU LIMITED
    Inventors: Shusen Mei, Junichi Mizuno, Tomoaki Abe
  • APPARATUS AND METHOD FOR MANAGING STORAGE
    Publication number: 20160179420
    Abstract: A storage management apparatus includes an acquiring unit and a control unit. When a first storage apparatus is active and a second storage apparatus is on standby and backup data corresponding to a plurality of data stored in the first storage apparatus are stored in the second storage apparatus, the acquiring unit acquires frequency information from the first storage apparatus, which shows frequency of access from a host apparatus to individual data in the plurality of data. Based on the frequency information, the control unit executes a deciding process that decides in which out of a plurality of storage regions with different access performance provided by the second storage apparatus respective data in the backup data are to be placed, and transmits instruction information to the second storage apparatus, which has the respective backup data placed in the storage regions decided by the deciding process.
    Type: Application
    Filed: November 2, 2015
    Publication date: June 23, 2016
    Applicant: FUJITSU LIMITED
    Inventors: SHUSEN MEI, Junichi MIZUNO, Tomoaki ABE