The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 30, 2021
Filed:
Jun. 19, 2017
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Assignee:
HITACHI, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0659 (2013.01); G06F 3/0604 (2013.01); G06F 3/067 (2013.01); G06F 3/0631 (2013.01);
Abstract
A distributed storage system includes a first node group consisting of a plurality of nodes and a second node group consisting of a plurality of nodes. Each of the first node group and the second node group distributes and stores data of an assigned object to a plurality of constituent nodes. The first node group includes at least one first node shared with the second node group and at least one second node not shared with the second node group. The second node group includes the at least one first node and at least one third node not shared with the first node group.