1
Kazuhiko Mogi, Norifumi Nishikawa, Yoshiaki Eguchi: Cache management method for storage device. Hitachi, Mattingly Stanger Malur & Brundidge P C, September 13, 2005: US06944711 (56 worldwide citation)

A cache management method disclosed herein enables optimal cache space settings to be provided on a storage device in a computer system where database management systems (DBMSs) run. Through the disclosed method, cache space partitions to be used per data set are set, based on information about proc ...


2
Hiroshi Arakawa, Kazuhiko Mogi, Yoshiaki Eguchi, Kouji Arai: Data reallocation among storage systems. Hitachi, Townsend Townsend and Crew, July 20, 2004: US06766430 (50 worldwide citation)

The present invention provides techniques, including a method and system, for relocating data between storage systems. In one embodiment of the present invention a host collects usage information from a plurality of storage systems, and determines the relocation destination LU for data stored in the ...


3
Kazuhiko Mogi, Yoshiaki Eguchi, Takao Satoh: Data mapping management apparatus. Hitachi, Townsend and Townsend and Crew, October 24, 2006: US07127445 (40 worldwide citation)

A data mapping management server collects data mapping information about functions for providing virtual storage regions, and provides an administrator with a management view on which the virtual storage regions created/managed in each virtual storage region providing function can be comprehensively ...


4
Kazuhiko Mogi, Yoshiharu Ueki, Shinobu Kawarada, Tadashi Kosuga, Koichi Kasa: Diversity receiver. Pioneer Electronic Corporation, Sughrue Mion Zinn Macpeak & Seas, October 27, 1992: US05159707 (40 worldwide citation)

A diversity receiver has distributors each of which is connected with each of a plurality of antennas, and as many antenna switches as there are receivers. Each of the antenna switches has as many contacts as there are distributors. The distributor distributes a radio frequency signal from the anten ...


5
Kazuhiko Mogi, Norifumi Nishikawa, Hideomi Idei: Computer system for managing performances of storage apparatus and performance management method of the computer system. Hitachi, Brundidge & Stanger P C, April 6, 2010: US07694070 (37 worldwide citation)

In a computer system with a DBMS running thereon, management of the performance of a storage apparatus is executed by using a performance indicator provided by a user job so as to simplify the management of the performance. For this reason, a management server employed in the computer system monitor ...


6
Kazuhiko Mogi, Takashi Oeda, Masaru Kitsuregawa: Storage system having means for acquiring execution information of database management system. Hitachi, Townsend and Townsend and Crew, August 9, 2005: US06928451 (32 worldwide citation)

A storage system for providing a preferable data access performance by performing controls considering database management system (DBMS) execution information or database process priorities, by acquiring static configurational information of a DBMS by means of a DBMS information acquisition and comm ...


7
Kazuhiko Mogi, Norifumi Nishikawa, Hideomi Idei: Computer system for managing performances of storage apparatus and performance management method of the computer system. Hitachi, Mattingly Stanger Malur & Brundidge P C, August 8, 2006: US07089347 (29 worldwide citation)

In a computer system with a DBMS running thereon, management of the performance of a storage apparatus is executed by using a performance indicator provided by a user job so as to simplify the management of the performance. For this reason, a management server employed in the computer system monitor ...


8
Hiroshi Arakawa, Kazuhiko Mogi, Yoshiaki Eguchi, Kouji Arai: Data reallocation among storage systems. Hitachi, Townsend and Townsend and Crew, July 13, 2004: US06763442 (25 worldwide citation)

The present invention provides techniques, including a method and system, for relocating data between storage systems. In one embodiment of the present invention a host collects usage information from a plurality of storage systems, and determines the relocation destination LU for data stored in the ...


9
Kazuhiko Mogi, Takashi Oeda, Masaru Kitsuregawa: Method and apparatus for relocating data related to database management system. Hitachi, Mattingly Stanger Malur & Brundidge P C, May 30, 2006: US07054893 (24 worldwide citation)

A data storage position management main program collects volume physical storage position management information and physical storage apparatus operation information from a storage apparatus, and stores them as storage apparatus arrangement information and storage apparatus operation information. Th ...


10
Yoshiaki Eguchi, Kazuhiko Mogi, Yasutomo Yamamoto, Takashi Oeda, Kouji Arai: Data restoring method and an apparatus using journal data and an identification information. Hitachi, Mattingly Stanger Malur & Brundidge P C, February 27, 2007: US07185227 (22 worldwide citation)

A host and a storage system each keep a shared identifier indicating a state of a system. The storage system acquires, at update of data, a data pair including data for a change through processing of the host and data before the update. The storage system relates the data pair to a shared identifier ...