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:
Aug. 25, 2009
Filed:
Dec. 28, 2007
Hiroshi Ogasawara, Odawara, JP;
Homare Kanie, Yokohama, JP;
Nobuyuki Saika, Yokosuka, JP;
Yutaka Takata, Ninomiya, JP;
Shinichi Nakayama, Chigasaki, JP;
Hiroshi Ogasawara, Odawara, JP;
Homare Kanie, Yokohama, JP;
Nobuyuki Saika, Yokosuka, JP;
Yutaka Takata, Ninomiya, JP;
Shinichi Nakayama, Chigasaki, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A disk array system includes storage devices, a storage device control unit, a connection unit being connected with the storage device control unit, channel control units, a shared memory, and a cache memory. Each channel control unit includes a first processor of converting file data, received through a local area network outside of the disk array system to which the channel control units belongs, into block data and requesting storage of the converted data in the plurality of storage devices and a second processor of transferring the block data to the storage devices through the connection unit and the storage device control unit in response to a request given from the first processor and is connected with the connection unit and the local area network.