1
Kazuhito Suishu, Yusuke Hirakawa, Yoshihiro Asaka: Data processing system. Hitachi, Mattingly Stanger Malur & Brundidge P C, October 31, 2006: US07130975 (72 worldwide citation)

A data processing system includes at least a first storage system, a second storage system and a third storage system. The third storage system maintains a replication of data stored in the first storage system. When updating data in the first storage system, the first storage system updates the rep ...


2
Yusuke Hirakawa, Kazuhito Suishu, Yoshihiro Asaka: Storage system with multiple remote site copying capability. Hitachi, Mattingly Stanger Malur & Brundidge P C, January 23, 2007: US07167963 (71 worldwide citation)

A data processing system has a plurality of storage systems. In this system, data replication is performed at high speed and efficiency while maintaining data integrity. In addition, when failure has occurred in a configuration element, the time necessary to resume the data replication is reduced. I ...


3
Yusuke Hirakawa, Kazuhito Suishu, Yoshihiro Asaka: Data processing system. Hitachi, Mattingly Stanger Malur & Brundidge P C, October 3, 2006: US07117327 (71 worldwide citation)

A data processing system has a plurality of storage systems. In this system, data replication is performed at high speed and efficiency while maintaining data integrity. In addition, when failure has occurred in a configuration element, the time necessary to resume the data replication is reduced. I ...


4
Keiichi Kaiya, Masanao Tsuboki, Kazuhito Suishu: External storage and data recovery method for external storage as well as program. Hitachi, Mattingly Stanger Malur & Brundidge P C, July 10, 2007: US07243256 (18 worldwide citation)

The data is automatically recovered to a desired arbitrary point in an external storage without imposing a burden on the host computer. An application on a host computer instructs data recovery control processing of a disk control apparatus to set a recovery opportunity. It is possible to register a ...


5
Keiichi Kaiya, Masanao Tsuboki, Kazuhito Suishu: External storage and data recovery method for external storage as well as program. Hitachi, Mattingly Stanger Malur & Brundidge P C, August 8, 2006: US07089445 (13 worldwide citation)

The data is automatically recovered to a desired arbitrary point in an external storage without imposing a burden on the host computer. An application on a host computer instructs data recovery control processing of a disk control apparatus to set a recovery opportunity. It is possible to register a ...


6
Yusuke Hirakawa, Kazuhito Suishu, Yoshihiro Asaka: Data processing system with multiple storage systems. Hitachi, Mattingly Stanger Malur & Brundidge P C, August 19, 2008: US07415589 (11 worldwide citation)

A data processing system has a plurality of storage systems. In this system, data replication is performed at high speed and efficiency while maintaining data integrity. In addition, when failure has occurred in a configuration element, the time necessary to resume the data replication is reduced. I ...


7
Yusuke Hirakawa, Kazuhito Suishu, Yoshihiro Asaka: Data processing system. Hitachi, Brundidge & Stanger P C, February 9, 2010: US07660957 (8 worldwide citation)

A data processing system has a plurality of storage systems. In this system, data replication is performed at high speed and efficiency while maintaining data integrity. In addition, when failure has occurred in a configuration element, the time necessary to resume the data replication is reduced. I ...


8
Kazuhito Suishu, Yusuke Hirakawa, Yoshihiro Asaka: Remote copy system. Hitachi, Mattingly Stanger Malur & Brundidge P C, November 28, 2006: US07143254 (7 worldwide citation)

A data processing system includes at least a first storage system, a second storage system and a third storage system. The third storage system maintains a replication of data stored in the first storage system. When updating data in the first storage system, the first storage system updates the rep ...


9
Yusuke Hirakawa, Kazuhito Suishu, Yoshihiro Asaka: Data processing system. Hitachi, Mattingly Stanger Malur & Brundidge P C, July 3, 2007: US07240173 (5 worldwide citation)

A data processing system has a plurality of storage systems. In this system, data replication is performed at high speed and efficiency while maintaining data integrity. In addition, when failure has occurred in a configuration element, the time necessary to resume the data replication is reduced. I ...


10
Keiichi Kaiya, Masanao Tsuboki, Kazuhito Suishu: External storage and data recovery method for external storage as well as program. Hitachi, Mattingly Stanger Malur & Brundidge P C, December 23, 2008: US07469358 (4 worldwide citation)

The data is automatically recovered to a desired arbitrary point in an external storage without imposing a burden on the host computer. An application on a host computer instructs data recovery control processing of a disk control apparatus to set a recovery opportunity. It is possible to register a ...