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:
Sep. 12, 2017
Filed:
Jun. 13, 2013
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventor:
Yoshinori Oohira, Tokyo, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01); G06F 12/02 (2006.01); G06F 12/16 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0616 (2013.01); G06F 3/067 (2013.01); G06F 3/0614 (2013.01); G06F 3/0647 (2013.01); G06F 3/0688 (2013.01); G06F 12/0246 (2013.01); G06F 12/16 (2013.01); G06F 2212/7211 (2013.01);
Abstract
In executing a balancing process for moving data between a plurality of storage device groups constituted by a plurality of storage devices, a storage system determines whether or not to execute a balancing process for satisfying a first avoidance requirement for avoiding the occurrence of a problem in any one storage device only, on the basis of a second avoidance requirement which is satisfied by a second balancing process executed prior to a first balancing process for satisfying the first avoidance requirement, and executes the first balancing process in a case where the result of this determination is affirmative.