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:
Mar. 30, 2010
Filed:
Nov. 21, 2006
Applicants:
Kenta Nakase, Yokohama, JP;
Shinya Takeuchi, Fujisawa, JP;
Yasufumi Uchiyama, Yokohama, JP;
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a control device of a computer system in which a plurality of host computers are capable of sharing a same host interface of a storage system are provided: a VOL status monitoring portion that monitors a VOL status of each VOL mapped to the VVOL and determines whether or not the VOL status is changed, and a path number control portion that updates the number of paths connecting to a VVOL in which the VOL status has changed.