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.

Date of Patent:
Dec. 25, 2018

Filed:

Nov. 10, 2017
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Norie Iwasaki, Yamato, JP;

Katsuyoshi Katori, Yamato, JP;

Takeshi Nohta, Yamato, JP;

Kohei Taguchi, Yamato, JP;

Eiji Tosaka, Yamato, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 3/06 (2006.01); G06F 11/16 (2006.01); G06F 11/20 (2006.01);
U.S. Cl.
CPC ...
G06F 3/065 (2013.01); G06F 3/061 (2013.01); G06F 3/0614 (2013.01); G06F 3/0659 (2013.01); G06F 3/0683 (2013.01); G06F 3/0686 (2013.01); G06F 11/1662 (2013.01); G06F 11/2097 (2013.01); G06F 2206/1012 (2013.01);
Abstract

In a storage system including plural source storage devices, a target storage device selects which source storage device to accept a copy request from the target storage device so as to minimize the load on the entire system. The system calculates first and second load values for job loads being processed. System load values for the system are derived from job load value of a specific data, and respective load values for first and second source storage devices. The system compares the system load values to select a storage device to provide the data copy so as to minimize the load on the entire system.


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