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:
Jun. 01, 2004
Filed:
Jun. 28, 2000
Applicant:
Inventor:
Takuya Saegusa, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/200 ;
U.S. Cl.
CPC ...
G06F 1/200 ;
Abstract
Fiber channel connection magnetic disk device and controller which have a plurality of fiber-channel specification supporting port controllers, comprising: a port controller for managing the relationship between an identifier allocated to each host and a logical volume accessible from the host having the identifier; and a local access right management table memory for storing the management state of a logical volume accessible from an indicated host, the port controller being capable of rejecting an access from hosts other than the indicated host.