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:
Jan. 29, 2019

Filed:

Feb. 19, 2013
Applicant:

Hitachi, Ltd., Tokyo, JP;

Inventors:

Takayuki Fukatani, Tokyo, JP;

Masanori Takata, Tokyo, JP;

Hitoshi Kamei, Tokyo, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 11/14 (2006.01); G06F 17/30 (2006.01); H04L 29/08 (2006.01);
U.S. Cl.
CPC ...
G06F 17/30174 (2013.01); G06F 11/1448 (2013.01); H04L 67/104 (2013.01); H04L 67/1097 (2013.01);
Abstract

In the present invention, in order to provide an effective synchronization process control method between sites in a multi-site file system sharing through a data center, a synchronization process target file group is split into sub trees of an appropriate size, in accordance with a conflict frequency of an update file between sites, and a throughput between site-data center. Then, the split sub tree is synchronized from the one having high conflict frequency.


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