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:
Jan. 01, 2013
Filed:
Jun. 26, 2009
Hidehisa Shitomi, Yokohama, JP;
Takuya Okamoto, Machida, JP;
Hidehisa Shitomi, Yokohama, JP;
Takuya Okamoto, Machida, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
For the purpose of optimizing the performance separation according to the usage status of the protocol and the storage system performance, in a storage systemincluding multiple storage deviceswhich includes a storage controlling unitperforming data write to or data read from a storage driveaccording to data input/output requests from an external deviceand a protocol processing unitthat responds to a processing result for the input/output requests to the external deviceand is capable of responding to data input/output requests transmitted from the external devicefollowing at least two or more protocols, in which each of the storage devicesincludes a cluster processing unitconfiguring clusterswith the other storage devicesfor the external deviceand a cluster processing unitthe cluster processing unitis set to configure cluster groupsfor each protocol.