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:
Jun. 27, 2017

Filed:

Dec. 19, 2013
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventors:

Kenichi Fujita, Nagoya, JP;

Hiroshi Murayama, Fuji, JP;

Tsuyoshi Uchida, Kawasaki, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/02 (2006.01); G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 12/023 (2013.01); G06F 3/0607 (2013.01); G06F 3/0631 (2013.01); G06F 3/0665 (2013.01); G06F 3/0689 (2013.01);
Abstract

A storage system includes a storage apparatus having a first storage unit having first storage and a first storage control unit controlling access to the first storage, and a first control unit controlling storage units including the first storage unit; a second storage unit having second storage and a second storage control unit controlling access to the second storage; and a second control unit controlling storage units including the second storage unit. The second storage unit and second control unit are added to the storage apparatus. the first control unit includes a memory unit storing allocation information including an allocation state of storage areas of the first and second storage, and a processor configured to execute rearrangement control of an allocated storage area based on the allocation information corresponding to unevenness between a storage capacity of an allocated storage area in the first storage and that in the second storage.


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