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Inventor:
Ogata; Mikito
Address:
Odawara, JP
No. of patents:
9
Patents:












Patent Number Title Of Patent Date Issued
6961816 Disk array device with selectable method for generating redundant data November 1, 2005
A disk array device selects a redundant generation method for reducing the overhead and improving the reliability associated with generating redundant data. The disk array device includes a disk controller connected to and controlling an array of disk drives. The disk controller includes
6728848 Method and system for backing up storage system data April 27, 2004
The present invention provides a method, a system and code for backing up information on a storage system, for example, a disk system, connected to a storage area network. The host or server system off loads the task of backing up its data to the storage system that stores the data. In a
6604172 Disk array device with selectable method for generating redundant data August 5, 2003
A disk array device selects a redundant generation method for reducing the overhead and improving the reliability associated with generating redundant data. The disk array device includes a disk controller connected to and controlling an array of disk drives. The disk controller includes
6463505 Disk array device with selectable method for generating redundant data October 8, 2002
A disk array device selects a redundant generation method for reducing the overhead and improving the reliability associated with generating redundant data. The disk array device includes a disk controller connected to and controlling an array of disk drives. The disk controller includes
6269424 Disk array device with selectable method for generating redundant data July 31, 2001
A disk array device selects a redundant data generation method for reducing the overhead and improving the reliability associated with generating redundant data. The disk array device includes a disk controller connected to and controlling an array of disk drives. The disk controller inc
4677606 Data recording and reproducing method June 30, 1987
A data recording/reproducing method for a non-rewritable recording medium of a rotating type, each of tracks on the recording medium is divided into a plurality of blocks which are allotted with respective addresses. Each block includes a data recording area and a deletion flag area whic
4638472 Information recording system and method for using alternative record area in writing and reading January 20, 1987
An information recording method and system for writing information onto a recording medium. If an error area is detected in a check of the information read out of the medium after writing, the information is rewritten onto an alternative area on the recording medium using a buffer me
4611314 Method for accessing to a rotating record medium and an access control system September 9, 1986
In an information storage system including a rotating recording medium having a number of information tracks, a head positioning mechanism for switching access position between adjacent tracks and a plurality of buffer memories each capable of storing one track of data, an alternate
4558446 Memory system December 10, 1985
In prior art memory systems, if a defective area of the recording medium is accessed for reading, an alternative area for compensating the defective area is read out. According to this invention, information recorded in the alternative area is stored in advance in a separate high-speed m










 
 
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