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:
Jul. 07, 2009
Filed:
Mar. 16, 2006
Takashi Chikusa, Odawara, JP;
Satoru Yamaura, Odawara, JP;
Hiroyuki Kumasawa, Odawara, JP;
Hironori Nakama, Odawara, JP;
Masashi Yukawa, Odawara, JP;
Takashi Chikusa, Odawara, JP;
Satoru Yamaura, Odawara, JP;
Hiroyuki Kumasawa, Odawara, JP;
Hironori Nakama, Odawara, JP;
Masashi Yukawa, Odawara, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
Proposed are a storage system, data processing method and storage apparatus capable of performing stable data I/O processing. Each of the storage apparatuses configured in the storage group stores group configuration information containing priority information given to each storage apparatus, and the storage apparatus with the highest priority becomes a master and performs virtualization processing and data I/O processing, and another storage apparatus belonging to this storage group performs internal processing of the storage group.