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. 03, 2007
Filed:
Dec. 10, 2004
Method of controlling storage device controlling apparatus, and storage device controlling apparatus
Shinichi Nakayama, Kanagawa, JP;
Hiroshi Ogasawara, Kanagawa, JP;
Naotaka Kobayashi, Kanagawa, JP;
Jinichi Shikawa, Chiba, JP;
Nobuyuki Saika, Kanagawa, JP;
Shinichi Nakayama, Kanagawa, JP;
Hiroshi Ogasawara, Kanagawa, JP;
Naotaka Kobayashi, Kanagawa, JP;
Jinichi Shikawa, Chiba, JP;
Nobuyuki Saika, Kanagawa, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
In a storage device controlling apparatus which includes: a plurality of channel controllers having a circuit board on which are formed a file access processing section receiving from an information processing apparatus requests to input and output data in files as units via a network and an I/O processor outputting to a storage device I/O requests corresponding to the requests to input and output data; and a disk controller executing input and output of data into and from the storage device in response to the I/O requests sent from the I/O processors, at least one of the channel controllers receives data specifying an assignment of a logical volume to the channel controller, the data being sent from the information processing apparatus, and stores the received assignment.