• Patent Title: Storage control device for determining storage device to read collectively blocks of object, storage system for determining storage device to read collectively blocks of object, and computer-readable recording medium storing program for determining storage device to read collectively blocks of object
  • Application No.: US17083354
    Application Date: 2020-10-29
  • Publication No.: US11435917B2
    Publication Date: 2022-09-06
  • Inventor: Taketoshi Yoshida
  • Applicant: FUJITSU LIMITED
  • Applicant Address: JP Kawasaki
  • Assignee: FUJITSU LIMITED
  • Current Assignee: FUJITSU LIMITED
  • Current Assignee Address: JP Kawasaki
  • Agency: Fujitsu Patent Center
  • Priority: JPJP2019-227435 20191217
  • Main IPC: G06F3/06
  • IPC: G06F3/06
Storage control device for determining storage device to read collectively blocks of object, storage system for determining storage device to read collectively blocks of object, and computer-readable recording medium storing program for determining storage device to read collectively blocks of object
Abstract:
A storage control device, includes a processor configured to: dispose original blocks to which data on an object basis is divided and assigned and copy blocks which are copies of the original blocks respectively alternately in storage devices of a distributed storage system in a distributed manner; determine, upon reception of a read request for an object, as a first storage control device out of the storage control devices a read task which collectively reads the original blocks and the copy blocks which belong to the object from one of the storage devices; notify the storage control devices of the read task; upon reception of the read request as the first storage control device, collectively read the original blocks and the copy blocks; and transfer the data of the blocks which have been read to a second storage control device which is the read task for the blocks.
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