Patents by Inventor Akihisa Nagami
Akihisa Nagami 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).
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Patent number: 8954706Abstract: A storage apparatus of an embodiment of the invention including one or more storage drives for providing real storage resources and a controller for controlling the one or more storage drives and accesses from a host computer. The controller initializes real storage resources and manages the initialized real storage resources. The controller receives an instruction for allocating an initialized real storage resource to a first virtual storage resource accessed by the host computer. In response to the instruction, the controller allocates a first initialized real storage resource which has been initialized in advance prior to the instruction to the first virtual storage resource.Type: GrantFiled: March 21, 2012Date of Patent: February 10, 2015Assignee: Hitachi, Ltd.Inventors: Noriko Nakajima, Akihisa Nagami, Toru Tanaka
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Patent number: 8938528Abstract: A computer system is provided that is capable of reducing an administrator's operational errors by connecting a new server to a SAN and automating a SAN boot setting, and capable of lightening the administrator's task of checking for a wrong connection by detecting a wrong connection made when a new server is connected to an SNW connection device. Once a new server connected to a PnP SAN starts with a boot program obtained from a boot management server, the new server transmits configuration information on the new server to a resource management server. In response to a request from the resource management server, a storage device refers to PnP SAN information to transmit SAN information on a storage network connection device to which the new server is connected. The resource management server determines to add the new server to a resource group on the basis of the SAN information and requirement information.Type: GrantFiled: November 8, 2011Date of Patent: January 20, 2015Assignee: Hitachi, Ltd.Inventors: Takashi Amano, Akihisa Nagami, Yasunori Kaneda, Noriko Nakajima
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Patent number: 8918615Abstract: An embodiment of this invention is an information storage system comprising a plurality of storage systems connected to be able to communicate. Each of the plurality of storage systems includes default storage system identification information which is the same to the plurality of storage systems, common volume identification information for uniquely identifying volumes provided by the plurality of storage systems to a host computer among the plurality of storage systems, and a controller configured to return the default storage system identification information to the host computer in response to a request from the host computer and to process a read or write request to a volume accompanying the common volume identification information from the host computer.Type: GrantFiled: April 27, 2011Date of Patent: December 23, 2014Assignee: Hitachi, Ltd.Inventors: Akihisa Nagami, Koh Nakamichi, Yasunori Kaneda, Hirokazu Ikeda, Masayuki Yamamoto
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Patent number: 8856264Abstract: A computer system in an embodiment of this invention comprises a plurality of host computers in which a plurality of host programs are executed, a plurality of storage systems including a plurality of volumes provided to the plurality of host programs, and a management system. Each of the plurality of host programs is located at a port of a host computer. Each of the plurality of volumes is located at a port of a storage system. The management system obtains information on bandwidths of a plurality of paths included in a data communication network among the plurality of storage systems and the plurality of host computers. The management system determines priority levels of individual candidate ports for new location of at least either one of a first host program and a first volume with reference to the information.Type: GrantFiled: October 28, 2011Date of Patent: October 7, 2014Assignee: Hitachi, Ltd.Inventors: Akihisa Nagami, Yasunori Kaneda
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Patent number: 8839242Abstract: It is an object of the present invention to provide a technique that can comprehensively manage plural kinds of network addresses allocated to virtual computers. In various embodiments, a MAC address, an IP address, and virtual communication interface identification information are allocated anew to a virtual computer to be created anew and the MAC address, the IP address, and the virtual communication interface identification information are set to be unable to be allocated anew.Type: GrantFiled: February 25, 2011Date of Patent: September 16, 2014Assignee: Hitachi, Ltd.Inventors: Noriko Nakajima, Yasunori Kaneda, Akihisa Nagami, Toru Tanaka
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Patent number: 8719533Abstract: Provided is a method of using a dynamic chunk allocation function to efficiently carry out data volume migration. A storage apparatus according to the present invention includes first and second storage units and divides a storage extent in the second storage unit into chunks to add the chunks to a chunk pool to dynamically allocate the chunks in the chunk pool to a newly created logical data volume (see FIG. 3).Type: GrantFiled: September 20, 2011Date of Patent: May 6, 2014Assignee: Hitachi, Ltd.Inventors: Atsumi Terayama, Akihisa Nagami, Toru Tanaka, Yasunori Kaneda
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Publication number: 20140101279Abstract: A computer system comprising a storage device including a copy pair of a copied volume and a host computer is provided. The management computer detects a change in the state obtained by monitoring the state of the copy pair, and according to the result of detection, changes the configuration of a cluster constituted by a virtual machine using data stored in the volume, and a host computer using the volume.Type: ApplicationFiled: October 4, 2012Publication date: April 10, 2014Applicant: Hitachi, Ltd.Inventors: Akihisa Nagami, Atsumi Terayama, Noriko Nakajima, Toshio Otani
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Publication number: 20130311645Abstract: A management system outputs catalog data, which has been created based on catalog-source data comprising data showing at least an application of a relevant resource with respect to each of multiple providable resources, and which shows the respective applications of the multiple resources, and receives a selection of a resource to be provided from the multiple resources. The management system provides the selected resource as a provided resource, and determines, based on a performance threshold configured with respect to the application of the provided resource, whether or not a performance measurement value, which relates to the processing performance of a network service using the provided resource and which can be monitored by the management system, is normal.Type: ApplicationFiled: May 18, 2012Publication date: November 21, 2013Inventors: Akihisa Nagami, Atsumi Terayama, Naoko Ichikawa, Yasunori Kaneda
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Publication number: 20130282887Abstract: When migrating a virtual server between a plurality of physical servers, a pre-migration connection relationship between the virtual server and a storage area used by the virtual server is maintained after the migration of the virtual server by using a cooperative mechanism between a plurality of storage apparatuses even if the storage area used by the virtual server is migrated between the plurality of storage apparatuses. A computer system and virtual server migration control method for the computer system is described.Type: ApplicationFiled: April 24, 2012Publication date: October 24, 2013Inventors: Atsumi Terayama, Akihisa Nagami, Toru Tanaka, Yasunori Kaneda, Yoshinori Okami
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Publication number: 20130254500Abstract: A storage apparatus of an embodiment of the invention including one or more storage drives for providing real storage resources and a controller for controlling the one or more storage drives and accesses from a host computer. The controller initializes real storage resources and manages the initialized real storage resources. The controller receives an instruction for allocating an initialized real storage resource to a first virtual storage resource accessed by the host computer. In response to the instruction, the controller allocates a first initialized real storage resource which has been initialized in advance prior to the instruction to the first virtual storage resource.Type: ApplicationFiled: March 21, 2012Publication date: September 26, 2013Inventors: Noriko Nakajima, Akihisa Nagami, Toru Tanaka
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Publication number: 20130117427Abstract: A computer system is provided that is capable of reducing an administrator's operational errors by connecting a new server to a SAN and automating a SAN boot setting, and capable of lightening the administrator's task of checking for a wrong connection by detecting a wrong connection made when a new server is connected to an SNW connection device. Once a new server connected to a PnP SAN starts with a boot program obtained from a boot management server, the new server transmits configuration information on the new server to a resource management server. In response to a request from the resource management server, a storage device refers to PnP SAN information to transmit SAN information on a storage network connection device to which the new server is connected. The resource management server determines to add the new server to a resource group on the basis of the SAN information and requirement information.Type: ApplicationFiled: November 8, 2011Publication date: May 9, 2013Applicant: HITACHI, LTD.Inventors: Takashi Amano, Akihisa Nagami, Yasunori Kaneda, Noriko Nakajima
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Publication number: 20130110966Abstract: A computer system in an embodiment of this invention comprises a plurality of host computers in which a plurality of host programs are executed, a plurality of storage systems including a plurality of volumes provided to the plurality of host programs, and a management system. Each of the plurality of host programs is located at a port of a host computer. Each of the plurality of volumes is located at a port of a storage system. The management system obtains information on bandwidths of a plurality of paths included in a data communication network among the plurality of storage systems and the plurality of host computers. The management system determines priority levels of individual candidate ports for new location of at least either one of a first host program and a first volume with reference to the information.Type: ApplicationFiled: October 28, 2011Publication date: May 2, 2013Applicant: HITACHI, LTD.Inventors: Akihisa Nagami, Yasunori Kaneda
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Publication number: 20130073825Abstract: Provided is a method of using a dynamic chunk allocation function to efficiently carry out data volume migration. A storage apparatus according to the present invention includes first and second storage units and divides a storage extent in the second storage unit into chunks to add the chunks to a chunk pool to dynamically allocate the chunks in the chunk pool to a newly created logical data volume (see FIG. 3).Type: ApplicationFiled: September 20, 2011Publication date: March 21, 2013Applicant: HITACHI, LTD.Inventors: Atsumi Terayama, Akihisa Nagami, Toru Tanaka, Yasunori Kaneda
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Patent number: 8316248Abstract: The virtual PC management system includes: a unit which acquires a power on/off state of a virtual machine from a computer via the network and stores it in a storage; a unit which acquires a power on/off state of a computer from the computer via the network and stores it into the storage; a unit which receives a start-of-use request for a virtual machine from the client machine and searches stored data of the storage unit for a computer which is in a power-on state and to which a virtual machine is not allocated, as an allocation candidate; a unit which allocates the virtual machine in accordance with the start-of-use request to the computer of the allocation candidate; and a unit which notifies, via the network, the computer of the allocation candidate of an instruction to turn on the power of the virtual machine.Type: GrantFiled: July 29, 2009Date of Patent: November 20, 2012Assignee: Hitachi, Ltd.Inventors: Daisuke Yokota, Akihisa Nagami, Fumio Noda, Masayuki Tosaka
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Publication number: 20120278584Abstract: An embodiment of this invention is an information storage system comprising a plurality of storage systems connected to be able to communicate. Each of the plurality of storage systems includes default storage system identification information which is the same to the plurality of storage systems, common volume identification information for uniquely identifying volumes provided by the plurality of storage systems to a host computer among the plurality of storage systems, and a controller configured to return the default storage system identification information to the host computer in response to a request from the host computer and to process a read or write request to a volume accompanying the common volume identification information from the host computer.Type: ApplicationFiled: April 27, 2011Publication date: November 1, 2012Applicant: Hitachi, Ltd.Inventors: Akihisa Nagami, Koh Nakamichi, Yasunori Kaneda, Hirokazu Ikeda, Masayuki Yamamoto
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Publication number: 20120265956Abstract: It is provided a storage subsystem, comprising: a storage device which provides a volume for storing data; a processor which executes a program for controlling the storage subsystem; a memory which stores data used by the processor; and a port which is coupled to another storage subsystem. The memory stores interface management information, which holds a use of the port in migration, and port management information, which holds a use of a port of the another storage subsystem in migration. The processor refers to the interface management information and the port management information to identify a port of the another storage subsystem which is permitted to communicate with the port of the storage subsystem, in order to determine a communication zone of the port coupled to the another storage subsystem for migration.Type: ApplicationFiled: April 18, 2011Publication date: October 18, 2012Applicant: HITACHI, LTD.Inventors: Koh Nakamichi, Yasunori Kaneda, Akihisa Nagami
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Publication number: 20120222028Abstract: It is an object of the present invention to provide a technique that can comprehensively manage plural kinds of network addresses allocated to virtual computers. In a virtual computer management method according to the present invention, a MAC address, an IP address, and virtual communication interface identification information are allocated anew to a virtual computer to be created anew and the MAC address, the IP address, and the virtual communication interface identification information are set to be unable to be allocated anew (FIG. 1).Type: ApplicationFiled: February 25, 2011Publication date: August 30, 2012Inventors: Noriko Nakajima, Yasunori Kaneda, Akihisa Nagami, Toru Tanaka
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Patent number: 8141135Abstract: An information processing system has an information processing apparatus and a terminal coupled to each other through a network. The terminal has an address acquiring unit that reads storage information of a portable storage medium used by a user of the terminal to acquire the address of the information processing apparatus that is a utilization allocation destination of the terminal that is included in the storage information, and stores the address in a memory. A connection is established between the information processing apparatus and the terminal through the network. A remote controlling unit transmits operating information input at an interface of the terminal to the address of the information processing apparatus and receives video information corresponding to the operating information from the information processing apparatus to display video information on an output interface of the terminal.Type: GrantFiled: September 28, 2007Date of Patent: March 20, 2012Assignee: Hitachi, Ltd.Inventors: Akihisa Nagami, Yukinobu Mizoguchi, Fumio Noda
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Patent number: 7917533Abstract: A master management system includes a duty master creating part that counts the number of users in each group of same-attribute users who desire to use each of the applications, that identifies the applications each of which the number of users desiring to use is equal to or larger than a predetermined number, that creates and stores a master in a master management database of a storage device; and an individual setting part that identifies virtualization-possible applications of the applications each of which the number of users desiring to use is equal to or smaller than the predetermined number, and that sets data on users desiring to use the virtualization-possible applications in the distribution destination list of a distributing server.Type: GrantFiled: March 13, 2009Date of Patent: March 29, 2011Assignee: Hitachi, Ltd.Inventors: Akihisa Nagami, Shinji Kimura, Masayuki Tosaka, Fumio Noda
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Patent number: 7844711Abstract: A management device selects a storage device having a plenty of unallocated storage regions, selects a target using a port having a small allocation quantity from the storage device targets, and allocates the target, an initiator, and a storage region. When the number of targets and the allocated storage regions prepared by the storage device is within a predetermined number, the storage device manages the storage device as an allocation candidate. When the predetermined number is exceeded, the exceeding one is excluded from the allocation candidate. When the number of storage devices excluded from the allocation candidate has reached a certain number, the management device manages a new storage device and a new storage region as an allocation candidate.Type: GrantFiled: January 3, 2008Date of Patent: November 30, 2010Assignee: Hitachi, Ltd.Inventors: Ikuko Kobayashi, Shinji Kimura, Daisuke Yokota, Akihisa Nagami, Mitsuru Ikezawa, Yukinobu Mizoguchi, Hiroji Shibuya