Patents by Inventor Masafumi Nozawa

Masafumi Nozawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8607010
    Abstract: In an information processing system including a computer device, and a storage device storing data used by the computer device, the region in which the data is held is managed in association with a change, over the passage of time in the performance and availability required of the data holding region. The computer device includes a storage device managing unit for managing the storage device which stores data used by the computer device. The storage device managing unit periodically monitors temporal characteristics information, and moves data, if the storage region having functional characteristics corresponding to the temporal characteristics information is different from the storage region to which the data is currently assigned.
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: December 10, 2013
    Assignee: Hitachi, Ltd.
    Inventors: Ryoji Furuhashi, Yasunori Kaneda, Masafumi Nozawa
  • Patent number: 8230194
    Abstract: A storage device is provided with a file I/O interface control device and a plurality of disk pools. The file I/O interface control device sets one of a plurality of storage hierarchies defining storage classes, respectively, for each of LUs within the disk pools, thereby forming a file system in each of the LUs. The file I/O interface control device migrates at least one of the files from one of the LUs to another one of the LUs of an optimal storage class, based on static properties and dynamic properties of each file.
    Type: Grant
    Filed: March 18, 2011
    Date of Patent: July 24, 2012
    Assignee: Hitachi, Ltd.
    Inventors: Naoto Matsunami, Koji Sonoda, Akira Yamamoto, Masafumi Nozawa, Masaaki Iwasaki
  • Publication number: 20110185123
    Abstract: A storage device is provided with a file I/O interface control device and a plurality of disk pools. The file I/O interface control device sets one of a plurality of storage hierarchies defining storage classes, respectively, for each of LUs within the disk pools, thereby forming a file system in each of the LUs. The file I/O interface control device migrates at least one of the files from one of the LUs to another one of the LUs of an optimal storage class, based on static properties and dynamic properties of each file.
    Type: Application
    Filed: March 18, 2011
    Publication date: July 28, 2011
    Applicant: HITACHI, LTD.
    Inventors: Naoto Matsunami, Koji Sonoda, Akira Yamamoto, Masafumi Nozawa, Masaaki Iwasaki
  • Publication number: 20110161460
    Abstract: In an information processing system including a computer device, and a storage device storing data used by the computer device, the region in which the data is held is managed in association with a change, over the passage of time in the performance and availability required of the data holding region. The computer device includes a storage device managing unit for managing the storage device which stores data used by the computer device. The storage device managing unit periodically monitors temporal characteristics information, and moves data, if the storage region having functional characteristics corresponding to the temporal characteristics information is different from the storage region to which the data is currently assigned.
    Type: Application
    Filed: March 11, 2011
    Publication date: June 30, 2011
    Inventors: Ryoji FURUHASHI, Yasunori Kaneda, Masafumi Nozawa
  • Patent number: 7930506
    Abstract: In an information processing system including a computer device, and a storage device storing data used by the computer device, the region in which the data is held is managed in association with a change, over the passage of time in the performance and availability required of the data holding region. The computer device includes a storage device managing unit for managing the storage device which stores data used by the computer device. The storage device managing unit periodically monitors temporal characteristics information, and moves data, if the storage region having functional characteristics corresponding to the temporal characteristics information is different from the storage region to which the data is currently assigned.
    Type: Grant
    Filed: April 13, 2010
    Date of Patent: April 19, 2011
    Assignee: Hitachi, Ltd.
    Inventors: Ryoji Furuhashi, Yasunori Kaneda, Masafumi Nozawa
  • Patent number: 7925851
    Abstract: A storage device is provided with a file I/O interface control device and a plurality of disk pools. The file I/O interface control device sets one of a plurality of storage hierarchies defining storage classes, respectively, for each of LUs within the disk pools, thereby forming a file system in each of the LUs. The file I/O interface control device migrates at least one of the files from one of the LUs to another one of the LUs of an optimal storage class, based on static properties and dynamic properties of each file.
    Type: Grant
    Filed: June 9, 2008
    Date of Patent: April 12, 2011
    Assignee: Hitachi, Ltd.
    Inventors: Naoto Matsunami, Koji Sonoda, Akira Yamamoto, Masafumi Nozawa, Masaaki Iwasaki
  • Patent number: 7849278
    Abstract: A technique that can efficiently achieve migration of a configuration and data between storage units with varying constructions of configuration information and that can alleviate burdens of personal operation by an administrator, etc. With the configuration information of each storage unit controlled by the storage control server, based on each piece of configuration information, the transfer-source configuration information is converted into information necessary for establishing the logical partition configuration of a storage unit which has the transfer-destination logical partition function. The information prepared by the conversion is transmitted to the transfer-destination storage unit and the configuration with the transfer-source logical configuration set as the transfer-destination logical partition is updated in the transfer-destination storage unit.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: December 7, 2010
    Assignee: Hitachi, Ltd
    Inventors: Eiichi Sato, Masafumi Nozawa, Kyosuke Achiwa
  • Publication number: 20100199055
    Abstract: In an information processing system including a computer device, and a storage device storing data used by the computer device, the region in which the data is held is managed in association with a change, over the passage of time in the performance and availability required of the data holding region. The computer device includes a storage device managing unit for managing the storage device which stores data used by the computer device. The storage device managing unit periodically monitors temporal characteristics information, and moves data, if the storage region having functional characteristics corresponding to the temporal characteristics information is different from the storage region to which the data is currently assigned.
    Type: Application
    Filed: April 13, 2010
    Publication date: August 5, 2010
    Inventors: Ryoji FURUHASHI, Yasunori Kaneda, Masafumi Nozawa
  • Patent number: 7730275
    Abstract: In an information processing system including a computer device, and a storage device storing data used by the computer device, the region in which the data is held is managed in association with a change, over the passage of time in the performance and availability required of the data holding region. The computer device includes a storage device managing unit for managing the storage device which stores data used by the computer device. The storage device managing unit periodically monitors temporal characteristics information, and moves data, if the storage region having functional characteristics corresponding to the temporal characteristics information is different from the storage region to which the data is currently assigned.
    Type: Grant
    Filed: January 30, 2009
    Date of Patent: June 1, 2010
    Assignee: Hitachi, Ltd.
    Inventors: Ryoji Furuhashi, Yasunori Kaneda, Masafumi Nozawa
  • Patent number: 7716419
    Abstract: Provided is a computer system having a host computer that requests the input and output of data in and from an actual storage volume, and a plurality of storage subsystems respectively having at least one or more virtual storage volumes. The virtual storage volumes of each of the plurality of storage subsystems are virtualizations of a common external volume. The host computer sets a certain logical path among a plurality of logical paths to be respectively connected to a plurality of virtual storage volumes formed by virtualizing the common external volume as an alternate path of another logical path.
    Type: Grant
    Filed: January 30, 2006
    Date of Patent: May 11, 2010
    Assignee: Hitachi, Ltd.
    Inventors: Takayuki Kashima, Masafumi Nozawa, Kyosuke Achiwa
  • Patent number: 7590664
    Abstract: This storage system collectively manages a plurality of types of file groups reaching storage time limit, and carries out data migration spanning a plurality of storage devices. Based on the respective file information, of the respective files distributed among the respective volumes, files, whose storage time limit arrives within a prescribed period of time, are grouped together as a migration group. The storage term of the group is made to coincide with the file having the most distant storage time limit of the respective files. A first migration is carried out on the basis of the priority of the respective storage devices. A second migration is executed on the basis of the device life of the respective storage devices and the storage term of the group.
    Type: Grant
    Filed: August 17, 2005
    Date of Patent: September 15, 2009
    Assignee: Hitachi, Ltd.
    Inventors: Toshiki Kamohara, Eiichi Sato, Masafumi Nozawa
  • Publication number: 20090187639
    Abstract: In an information processing system including a computer device, and a storage device storing data used by the computer device, the region in which the data is held is managed in association with a change, over the passage of time in the performance and availability required of the data holding region. The computer device includes a storage device managing unit for managing the storage device which stores data used by the computer device. The storage device managing unit periodically monitors temporal characteristics information, and moves data, if the storage region having functional characteristics corresponding to the temporal characteristics information is different from the storage region to which the data is currently assigned.
    Type: Application
    Filed: January 30, 2009
    Publication date: July 23, 2009
    Inventors: Ryoji Furuhashi, Yasunori Kaneda, Masafumi Nozawa
  • Patent number: 7502904
    Abstract: In an information processing system including a computer device, and a storage device storing data used by the computer device, the region in which the data is held is managed in association with a change, over the passage of time in the performance and availability required of the data holding region. The computer device includes a storage device managing unit for managing the storage device which stores data used by the computer device. The storage device managing unit periodically monitors temporal characteristics information, and moves data, if the storage region having functional characteristics corresponding to the temporal characteristics information is different from the storage region to which the data is currently assigned.
    Type: Grant
    Filed: December 13, 2005
    Date of Patent: March 10, 2009
    Assignee: Hitachi, Ltd.
    Inventors: Ryoji Furuhashi, Yasunori Kaneda, Masafumi Nozawa
  • Patent number: 7475131
    Abstract: A method for displaying an access path between a virtual volume of a storage controller that has an external storage connecting function, and an external volume of an external storage system. By this method, port connection information about an access path defined between the virtual volume and the external volume is collected. A first network address for identifying an access port of the storage controller on the access path is collected. Also, a second network address for identifying an access port of the external storage system on the access path is collected. Moreover, identification information for identifying the external volume is collected. Finally, the network topology between the virtual volume and the external volume is displayed based on the port connection information, the first network address, the second network address, and the identification information.
    Type: Grant
    Filed: June 20, 2005
    Date of Patent: January 6, 2009
    Assignee: Hitachi, Ltd.
    Inventors: Kyosuke Achiwa, Tomoki Shoji, Masafumi Nozawa
  • Publication number: 20080263277
    Abstract: A storage device is provided with a file I/O interface control device and a plurality of disk pools. The file I/O interface control device sets one of a plurality of storage hierarchies defining storage classes, respectively, for each of LUs within the disk pools, thereby forming a file system in each of the LUs. The file I/O interface control device migrates at least one of the files from one of the LUs to another one of the LUs of an optimal storage class, based on static properties and dynamic properties of each file.
    Type: Application
    Filed: June 9, 2008
    Publication date: October 23, 2008
    Inventors: Naoto Matsunami, Koji Sonoda, Akira Yamamoto, Masafumi Nozawa, Masaaki Iwasaki
  • Patent number: 7426624
    Abstract: A method for grouping a plurality of storage resources provided by a storage system into storage groups. Storage management software obtains storage resource configuration information set for each of a number of logical partitions in the storage system and groups the storage resources into storage groups such that the storage resource group configuration individually set for the logical partitions in the storage system matches the group configuration of the storage resources constituting the storage groups.
    Type: Grant
    Filed: May 27, 2005
    Date of Patent: September 16, 2008
    Assignee: Hitachi, Ltd.
    Inventors: Hitoshi Fukuguchi, Kyosuke Achiwa, Masafumi Nozawa
  • Patent number: 7395284
    Abstract: There is provided a technique in which such a configuration as to include storage apparatuses on a plurality of sites can reduce a burden of operation/management of backup of data stored in the storage apparatuses. The configuration includes a information processing system on each site to be a backup target, and an information processing system for executing a backup process. Through control of a management server and a process for a backup server at a backup execution point, backup data of the data stored in the storage apparatus of the information processing system is converged into the storage apparatuses of the information processing systems by a process using a remote copying function and stored in the backup device. Then, instructions are given from the management server to the respective sites with synchronized timing, and convergence and storage of said backup data are executed by obtaining a temporal synchronization.
    Type: Grant
    Filed: January 21, 2005
    Date of Patent: July 1, 2008
    Assignee: Hitachi, Ltd.
    Inventors: Eiichi Sato, Masafumi Nozawa, Kyosuke Achiwa
  • Patent number: 7373390
    Abstract: An asynchronous remote copy system which can ensure the data renewal order and data integrity of the disk subsystems. The system provides for data mirroring by a main center having a gateway and a remote center having a gateway, and storage systems in each center connected to the corresponding gateway. Data is mirrored through synchronous type remote copy between volumes of the storage systems of each center. The gateway of the main center sends the renewal data to the gateway of the remote center in accordance with the order of renewal of volumes, to make the gateway of the remote center reflect the renewal data upon the volumes thereof through asynchronous type remote copy.
    Type: Grant
    Filed: October 20, 2003
    Date of Patent: May 13, 2008
    Assignee: Hitachi, Ltd.
    Inventors: Hideo Tabuchi, Masafumi Nozawa, Akinobu Shimada
  • Patent number: 7356660
    Abstract: A storage device is provided with a file I/O interface control device and a plurality of disk pools. The file I/O interface control device sets one of a plurality of storage hierarchies defining storage classes, respectively, for each of LUs within the disk pools, thereby forming a file system in each of the LUs. The file I/O interface control device migrates at least one of the files from one of the LUs to another one of the LUs of an optimal storage class, based on static properties and dynamic properties of each file.
    Type: Grant
    Filed: May 5, 2005
    Date of Patent: April 8, 2008
    Assignee: Hitachi, Ltd.
    Inventors: Naoto Matsunami, Koji Sonoda, Akira Yamamoto, Masafumi Nozawa, Masaaki Iwasaki
  • Publication number: 20080046671
    Abstract: A technique that can efficiently achieve migration of a configuration and data between storage units with varying constructions of configuration information and that can alleviate burdens of personal operation by an administrator, etc. With the configuration information of each storage unit controlled by the storage control server, based on each piece of configuration information, the transfer-source configu-ration information is converted into information necessary for establishing the logical partition configuration of a storage unit which has the transfer-destination logical partition function. The information prepared by the conversion is transmitted to the transfer-destination storage unit and the configuration with the transfer-source logical configuration set as the transfer-destination logical partition is updated in the transfer-destination storage unit.
    Type: Application
    Filed: October 19, 2007
    Publication date: February 21, 2008
    Inventors: Eiichi Sato, Masafumi Nozawa, Kyosuke Achiwa