Patents by Inventor Yukinori Sakashita

Yukinori Sakashita 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: 7801822
    Abstract: Provided is a computer system including: a plurality of storage systems interconnected via a network, each storage system including a logical volume that stores data; and a management computer that is connected to the storage systems via the network and includes a port connected to the network and a processor connected to the port, wherein: a logical volume of a transfer source in a storage system of the data transfer source and a logical volume of a transfer destination in a storage system of the data transfer destination are decided; it is determined whether it is necessary or not to migrate a license of a program used for the logical volume of the transfer source from one of the plurality of storage systems to the storage system of the transfer destination; and when it is determined necessary to migrate the license, license information regarding the license to the storage system of the transfer destination is migrated.
    Type: Grant
    Filed: September 1, 2005
    Date of Patent: September 21, 2010
    Assignee: Hitachi, Ltd.
    Inventors: Hajime Mori, Nobuhiro Maki, Yukinori Sakashita, Masahide Sato
  • Publication number: 20100223442
    Abstract: Provided is a computer system for identifying all physical resources which have been allocated to logical units before to be subject to shredding and for performing shredding on the identified physical resources. All the physical resources related to the physical resources specified by a user to be subject to data erasing are selected using usage history for the storage system. Moreover, a shredding task for the selected physical resources is generated according to configuration information of the storage system and shredding is performed based on the generated task. Consequently, the data is completely erased.
    Type: Application
    Filed: April 17, 2009
    Publication date: September 2, 2010
    Inventors: Tetsuya YAMASHITA, Daisuke SHINOHARA, Yukinori SAKASHITA, Jun NAKAJIMA, Yasutaka KONO
  • Publication number: 20100211949
    Abstract: Provided is a management computer coupled to a host computer and a storage system including a plurality of storage devices, the management computer comprising: a memory storing configuration information including information on a resource included in an I/O path from the host computer to the plurality of storage devices; and a processor associating, first processing involving a change in a configuration of the resource, the resource to be processed by the first processing and an execution purpose of the first processing with the first processing, and managing the first processing associated with the resource and the execution purpose. The processor extracts other processing which processes the resource to be processed by the first processing, and refers to the resource to be processed by the extracted other processing and an execution purpose of the other processing, to thereby determine whether the first processing needs to be executed or not.
    Type: Application
    Filed: April 9, 2009
    Publication date: August 19, 2010
    Inventors: Jun Nakajima, Yukinori Sakashita
  • Publication number: 20100082899
    Abstract: Implementing migration of a computer or data in consideration of the performance of an entire computer system is disclosed. A management computer is coupled to a computer 41000 and to a storage system 51000 having RAID groups 51220 and 51221 for providing logical volumes 51210 to 51212. When a predetermined event occurs at a resource on an I/O path from the computer 41000 to the RAID groups 51220 and 51221, the applicable I/O path is extracted. Moreover, it is determined whether or not there is another I/O path used by another computer and another logical volume, which does not share any resources and does not use the extracted I/O path. When there is the other I/o path, it is determined whether or not a performance of a resource contained therein remains within a preset range of a threshold requirement in the case of migrating the computer 41000 and the logical volumes 51210 to 51212 to the other I/O path. If the performance falls within the range, the other I/O path is determined as a migration destination.
    Type: Application
    Filed: November 14, 2008
    Publication date: April 1, 2010
    Inventors: JUN NAKAJIMA, Yukinori Sakashita
  • Patent number: 7676644
    Abstract: In a data processing system having a storage system and a management computer for managing the storage system, the management computer has an access right setting request unit for transmitting, to the storage system, a request to set a right to access a designated logical volume in response to a predetermined external input. The storage system also has: a control unit for dynamically expanding, as necessary based on an access request from the host computer, the capacity of a first type logical volume by dynamically assigning storage areas in units of segments of predetermined size thereto; and an access right setting unit for setting, in response to a request to set a right to access the first type logical volume from the management computer, a designated access right for each segment assigned to the first type logical volume.
    Type: Grant
    Filed: January 19, 2006
    Date of Patent: March 9, 2010
    Assignee: Hitachi, Ltd.
    Inventors: Yukinori Sakashita, Wataru Okada, Tsukasa Shibayama, Yuri Hiraiwa, Masahide Sato
  • Publication number: 20100057989
    Abstract: A data storage system satisfying user's requirements of a thin provisioned volume even if an event has occurred in which the requirements of the thin provisioned volume are not satisfied. When event information is sent from a storage subsystem to an administrative computer, the computer identifies physical resources affected by the event. A decision is made as to whether the identified physical resources satisfy the pool requirements of the thin provisioned volume. If the pool requirements are not satisfied, physical resources satisfying the pool requirements are selected from all physical resources. The administrative computer instructs the storage subsystem to move data. The storage subsystem moves data stored in physical resources affected by the event to physical resources satisfying the pool requirements and modifies the physical resource numbers given to the physical resources affected by the event to the physical resource numbers given to the physical resources satisfying the pool requirements.
    Type: Application
    Filed: October 20, 2008
    Publication date: March 4, 2010
    Inventors: Yukinori SAKASHITA, Yasutaka Kono
  • Publication number: 20100049917
    Abstract: The invention is directed to a storage system including a storage subsystem providing a data storage service to a host computer, and a management device managing the storage subsystem. The management device issues a command to a controller in the storage subsystem for migrating data on a migration-source volume to a migration-destination volume in accordance with a predetermined task. When the migration-destination volume is not available for use for some reason, and when the data migration is not completed normally, the management device searches an alternative volume in accordance with migration-destination requirements including essential and arbitrary requirements, and then issues a command for data migration to thus found alternative volume. With such a configuration, even if a migration-destination volume is not available for use for some reason during data migration, any other volume can be used as a migration destination in accordance with the migration-destination requirement(s).
    Type: Application
    Filed: October 20, 2008
    Publication date: February 25, 2010
    Inventors: Yasutaka KONO, Yukinori Sakashita
  • Publication number: 20090119529
    Abstract: This invention provides, when optimizing a configuration of a storage system using a pool, an optimal configuration while ensuring a policy set by an administrator, the policy concerning a power saving performance, a response performance, or the like. The management computer sets, according to the set policy, priorities to volumes held by a storage subsystem, and reserves volumes satisfying the capacity of the pool, in descending order of the priority. Only some of the reserved volumes are registered for the pool in descending order of the priority. At this time, it can be guaranteed that a host computer makes no access to the volumes which have not been registered for the pool, and therefore the sleep state is set to physical drives forming the volumes or to a controller controlling the physical drives.
    Type: Application
    Filed: February 11, 2008
    Publication date: May 7, 2009
    Applicant: Hitachi Ltd.
    Inventors: Yasutaka KONO, Daisuke Shinohara, Nobuhiro Maki, Yukinori Sakashita
  • Publication number: 20090077331
    Abstract: When migrating data stored in a storage region assigned to a volume to another storage region, the connection status of the host computer and volume is confirmed. When the host computer and volume are connected, the maximum capacity of the volume requested by the host computer is reserved so that it is exclusively secured in another storage region to which data is to be migrated, and when the host computer and volume are not connected, the current capacity of the volume is reserved so that it is exclusively secured in another storage region.
    Type: Application
    Filed: November 6, 2008
    Publication date: March 19, 2009
    Inventors: Tsukasa Shibayama, Wataru Okada, Yukinori Sakashita, Yuri Hiraiwa, Masahide Sato
  • Publication number: 20090077336
    Abstract: This storage system modifies the migration plan in accordance with the state of the migration destination when a plurality of volumes are migrated all at once. Migration-source volumes are migrated collectively to volumes inside the migration-destination storage apparatus. The user can make settings related to migration-source volumes and migration-destination volumes in a migration plan, and can establish a mid-process control plan for modifying the migration plan in the middle of processing. If a failure occurs in the migration-destination storage apparatus subsequent to the commencement of data migration processing, a processing method controller either cancels or temporarily halts the data migration processing, or changes the migration destination, on the basis of the mid-process control plan. When changing the migration destination, a previously selected alternate storage apparatus is selected as the new migration-destination storage apparatus.
    Type: Application
    Filed: November 12, 2008
    Publication date: March 19, 2009
    Inventors: Tsukasa Shibayama, Wataru Okada, Yukinori Sakashita, Yuri Hiraiwa, Masahide Sato
  • Patent number: 7469325
    Abstract: This storage system modifies the migration plan in accordance with the state of the migration destination when a plurality of volumes are migrated all at once. Migration-source volumes are migrated collectively to volumes inside the migration-destination storage apparatus. The user can make settings related to migration-source volumes and migration-destination volumes in a migration plan, and can establish a mid-process control plan for modifying the migration plan in the middle of processing. If a failure occurs in the migration-destination storage apparatus subsequent to the commencement of data migration processing, a processing method controller either cancels or temporarily halts the data migration processing, or changes the migration destination, on the basis of the mid-process control plan. When changing the migration destination, a previously selected alternate storage apparatus is selected as the new migration-destination storage apparatus.
    Type: Grant
    Filed: June 2, 2006
    Date of Patent: December 23, 2008
    Assignee: Hiatachi, Ltd.
    Inventors: Tsukasa Shibayama, Wataru Okada, Yukinori Sakashita, Yuri Hiraiwa, Masahide Sato
  • Patent number: 7467275
    Abstract: A common external storage device is connected to the first and second storage systems.
    Type: Grant
    Filed: June 5, 2006
    Date of Patent: December 16, 2008
    Assignee: Hitachi, Ltd.
    Inventors: Yukinori Sakashita, Tsukasa Shibayama, Yuri Hiraiwa, Masahide Sato, Yasunori Kaneda
  • Patent number: 7464232
    Abstract: When migrating data stored in a storage region assigned to a volume to another storage region, the connection status of the host computer and volume is confirmed. When the host computer and volume are connected, the maximum capacity of the volume requested by the host computer is reserved so that it is exclusively secured in another storage region to which data is to be migrated, and when the host computer and volume are not connected, the current capacity of the volume is reserved so that it is exclusively secured in another storage region.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: December 9, 2008
    Assignee: Hitachi, Ltd.
    Inventors: Tsukasa Shibayama, Wataru Okada, Yukinori Sakashita, Yuri Hiraiwa, Masahide Sato
  • Publication number: 20080263186
    Abstract: In order to provide support for a system to operate in a manner appropriate for system requests desired by a user, a management server acquires functions corresponding to system requests acquired using a user interface using a second table for storing a correspondence relationship of functions provided by one or more managed storage devices and system requests occurring at the storage system, simulates whether or not implementation of the system requests is possible from the acquired functions and functions corresponding to the system requests occurring at the current storage system acquired using a third table for storing information for functions provided by the one or more storage devices, and notifies the one or more storage devices of instructions to set functions corresponding to the system requests to valid based on the simulation results of this simulation.
    Type: Application
    Filed: January 18, 2008
    Publication date: October 23, 2008
    Inventors: Hiromichi Yamagiwa, Manabu Obana, Yukinori Sakashita
  • Patent number: 7415573
    Abstract: The storage system of the present invention comprises a plurality of physical storage regions comprising a physical storage region having one or more attributes, and a physical storage region having a plurality of attributes. A prescribed attribute is allocated for each pool constituted from two or more physical storage regions, and each such pool has overlapping physical storage regions, which overlap one another, and non-overlapping physical storage regions, which do not overlap one another. The overlapping physical storage region constitutes two or more pools of the plurality of pools because it has the same plurality of attributes as the plurality of attributes respectively allocated to the plurality of pools, but the non-overlapping physical storage region is not like this, and constitutes only one pool.
    Type: Grant
    Filed: January 24, 2006
    Date of Patent: August 19, 2008
    Assignee: Hitachi, Ltd.
    Inventors: Koichi Murayama, Yukinori Sakashita, Masahide Sato
  • Patent number: 7343465
    Abstract: Use a storage system having a first data storage unit. The first data storage unit has a temporary storage area which is prepared in advance for the purpose of being provided to a host computer. Prior to completion of a process of creating a normal storage area within a second data storage unit in response to a storage area allocation request, the temporary storage area is associated with access point information for specifying access point in response to the allocation request. The access point information is to be used by the host computer to access the normal storage area. Then prior to completion of the normal storage area creation process, an access by an access request including the access point information from the host computer is relayed to the temporary storage area associated with the access point information.
    Type: Grant
    Filed: July 22, 2005
    Date of Patent: March 11, 2008
    Assignee: Hitachi, Ltd.
    Inventors: Tsukasa Shibayama, Yukinori Sakashita, Masahide Sato
  • Publication number: 20070245110
    Abstract: This storage system modifies the migration plan in accordance with the state of the migration destination when a plurality of volumes are migrated all at once. Migration-source volumes are migrated collectively to volumes inside the migration-destination storage apparatus. The user can make settings related to migration-source volumes and migration-destination volumes in a migration plan, and can establish a mid-process control plan for modifying the migration plan in the middle of processing. If a failure occurs in the migration-destination storage apparatus subsequent to the commencement of data migration processing, a processing method controller either cancels or temporarily halts the data migration processing, or changes the migration destination, on the basis of the mid-process control plan. When changing the migration destination, a previously selected alternate storage apparatus is selected as the new migration-destination storage apparatus.
    Type: Application
    Filed: June 2, 2006
    Publication date: October 18, 2007
    Inventors: Tsukasa Shibayama, Wataru Okada, Yukinori Sakashita, Yuri Hiraiwa, Masahide Sato
  • Publication number: 20070239954
    Abstract: A common external storage device is connected to the first and second storage systems.
    Type: Application
    Filed: June 5, 2006
    Publication date: October 11, 2007
    Inventors: Yukinori Sakashita, Tsukasa Shibayama, Yuri Hiraiwa, Masahide Sato, Yasunori Kaneda
  • Patent number: 7240348
    Abstract: To provide a suspending scenario generation method which is executed in a storage system including a management server provided with a storage device and a job scheduler for executing an operating scenario for managing the storage device, and generates the operating scenario and a suspending scenario for suspending execution of the operating scenario, the method including the steps of: obtaining a parameter input for a template for the operating scenario selected by a user; generating the operating scenario based on the parameter inputted for the operating scenario; after the parameter input for the operating scenario, obtaining a parameter input for generating a suspending scenario for suspending the operating scenario generated with the parameter; and generating the suspending scenario based on the parameter inputted for the suspending scenario.
    Type: Grant
    Filed: July 27, 2004
    Date of Patent: July 3, 2007
    Assignee: Hitachi, Ltd.
    Inventors: Atsushi Murase, Yukinori Sakashita, Masahide Sato, Yusuke Izumida
  • Publication number: 20070113041
    Abstract: In a data processing system having a storage system and a management computer for managing the storage system, the management computer has an access right setting request unit for transmitting, to the storage system, a request to set a right to access a designated logical volume in response to a predetermined external input. The storage system also has: a control unit for dynamically expanding, as necessary based on an access request from the host computer, the capacity of a first type logical volume by dynamically assigning storage areas in units of segments of predetermined size thereto; and an access right setting unit for setting, in response to a request to set a right to access the first type logical volume from the management computer, a designated access right for each segment assigned to the first type logical volume.
    Type: Application
    Filed: January 19, 2006
    Publication date: May 17, 2007
    Inventors: Yukinori Sakashita, Wataru Okada, Tsukasa Shibayama, Yuri Hiraiwa, Masahide Sato