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:
Apr. 20, 2010
Filed:
Aug. 04, 2004
Tadashi Numanoi, Yokohama, JP;
Tadashi Numanoi, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The present invention detects the occurrence of a bottleneck on the basis of the states of respective elements of the storage system and presents a measure for eliminating the bottleneck before actually changing the constitution of the storage system. The host element Nis connected to the element Nin the storage device via the elements NNand N(S). Element Nis a device file or the like, for example. Element Nis a logical volume or the like, for example. When a bottleneck occurs in the intermediate element N(S), the bottleneck is detected (S) on the basis of collected information on the respective elements of the storage system (S). A measure that is effective in eliminating the bottleneck is then reviewed and selected (SS). This measure manipulates any of the elements Nand Nor Nand Nlocated at the two ends of the path.