Patents by Inventor Satoru Yamaura
Satoru Yamaura 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: 9329781Abstract: A disk array apparatus using an SAS can transfer data without lowering a transfer efficiency of data even if rates of a plurality of physical links connected to a controller and storage device are different. A plurality of HDDs are connected to a controller through an expander. Data are transferred from the controller to the expander and then to HDD. In this connection, the controller and the expander transfers a set of transfer data in a plurality of the HDD-side physical links. The controller-side physical link integrates the transfer data, and multiplexes them to transfer. A plurality of HDDs-side physical links separates the transfer data to transfer in parallel.Type: GrantFiled: February 8, 2013Date of Patent: May 3, 2016Assignee: Hitachi, Ltd.Inventors: Takashi Chikusa, Satoru Yamaura, Toshio Tachibana, Takehiro Maki, Hirotaka Honma
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Patent number: 8868878Abstract: Even if an arbitrary hard disk drive is added, the hard disk drive is operated in a specific operation mode suited for that hard disk drive. As triggered by attachment of a hard disk drive to a disk adapter, a processor operates the hard disk drive in a predetermined operation mode based on predetermined parameter information that has been prepared in advance. The hard disk drive stores, in advance, particular parameter information including information about the specific operation mode suited for operation. The processor reads the particular parameter information from the hard disk drive in the predetermined operation mode and operates the hard disk drive in the specific operation mode based on the particular parameter information.Type: GrantFiled: January 14, 2013Date of Patent: October 21, 2014Assignee: Hitachi, Ltd.Inventors: Tetsuya Inoue, Hiroshi Suzuki, Satoru Yamaura, Takeki Okamoto, Yosuke Nakayama
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Patent number: 8612644Abstract: A storage apparatus is provided that is capable of reducing data maintenance management costs with a performance that is both highly reliable and fast. The present invention is storage apparatus where an intermediary device is arranged between a controller and a plurality of disk devices of different performances arranged in a hierarchical manner. The controller unit carries out I/O accesses to and from the disk devices via the intermediary devices based on access requests sent from host apparatus. The intermediary device includes a power saving control function for the disk device and carries out operation control such as spin off and spin up of disk devices in accordance with conditions set in advance.Type: GrantFiled: May 31, 2011Date of Patent: December 17, 2013Assignee: Hitachi, Ltd.Inventors: Hiroyuki Kumasawa, Takashi Chikusa, Satoru Yamaura
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Publication number: 20130179595Abstract: A disk array apparatus using an SAS can transfer data without lowering a transfer efficiency of data even if rates of a plurality of physical links connected to a controller and storage device are different. A plurality of HDDs are connected to a controller through an expander. Data are transferred from the controller to the expander and then to HDD. In this connection, the controller and the expander transfers a set of transfer data in a plurality of the HDD-side physical links. The controller-side physical link integrates the transfer data, and multiplexes them to transfer. A plurality of HDDs-side physical links separates the transfer data to transfer in parallel.Type: ApplicationFiled: February 8, 2013Publication date: July 11, 2013Applicant: HITACHI, LTD.Inventors: Takashi Chikusa, Satoru Yamaura, Toshio Tachibana, Takehiro Maki, Hirotaka Honma
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Publication number: 20130132666Abstract: Even if an arbitrary hard disk drive is added, the hard disk drive is operated in a specific operation mode suited for that hard disk drive. As triggered by attachment of a hard disk drive to a disk adapter, a processor operates the hard disk drive in a predetermined operation mode based on predetermined parameter information that has been prepared in advance. The hard disk drive stores, in advance, particular parameter information including information about the specific operation mode suited for operation. The processor reads the particular parameter information from the hard disk drive in the predetermined operation mode and operates the hard disk drive in the specific operation mode based on the particular parameter information.Type: ApplicationFiled: January 14, 2013Publication date: May 23, 2013Applicant: HITACHI, LTD.Inventors: Tetsuya INOUE, Hiroshi SUZUKI, Satoru YAMAURA, Takeki OKAMOTO, Yosuke NAKAYAMA
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Patent number: 8397002Abstract: A disk array apparatus using an SAS can transfer data without lowering a transfer efficiency of data even if rates of a plurality of physical links connected to a controller and storage device are different. A plurality of HDDs are connected to a controller through an expander. Data are transferred from the controller to the expander and then to HDD. In this connection, the controller and the expander transfers a set of transfer data in a plurality of the HDD-side physical links. The controller-side physical link integrates the transfer data, and multiplexes them to transfer. A plurality of HDDs-side physical links separates the transfer data to transfer in parallel.Type: GrantFiled: April 27, 2010Date of Patent: March 12, 2013Assignee: Hitachi, Ltd.Inventors: Takashi Chikusa, Satoru Yamaura, Toshio Tachibana, Takehiro Maki, Hirotaka Honma
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Patent number: 8364927Abstract: In the case of adding an arbitrary hard disk drive, the hard disk drive is operated in a specific operation mode suited for that hard disk drive. As triggered by the attachment of a hard disk drive to a disk adapter, a processor operates the hard disk drive in a predetermined operation mode based on predetermined parameter information that has been prepared in advance. The hard disk drive stores, in advance, particular parameter information including information about the specific operation mode suited for operation. The processor reads the particular parameter information from the hard disk drive in the predetermined operation mode and operates the hard disk drive in the specific operation mode based on the particular parameter information.Type: GrantFiled: November 12, 2009Date of Patent: January 29, 2013Assignee: Hitachi, Ltd.Inventors: Tetsuya Inoue, Hiroshi Suzuki, Satoru Yamaura, Takeki Okamoto, Yosuke Nakayama
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Patent number: 8131892Abstract: A storage apparatus is provided that is capable of reducing data maintenance management costs with a performance that is both highly reliable and fast. The present invention is storage apparatus where an intermediary device is arranged between a controller and a plurality of disk devices of different performances arranged in a hierarchical manner. The controller unit carries out I/O accesses to and from the disk devices via the intermediary devices based on access requests sent from host apparatus. The intermediary device includes a power saving control function for the disk device and carries out operation control such as spin off and spin up of disk devices in accordance with conditions set in advance.Type: GrantFiled: May 7, 2010Date of Patent: March 6, 2012Assignee: Hitachi, Ltd.Inventors: Hiroyuki Kumasawa, Takashi Chikusa, Satoru Yamaura
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Publication number: 20110252195Abstract: Even if an arbitrary hard disk drive is added, the hard disk drive is operated in a specific operation mode suited for that hard disk drive. As triggered by attachment of a hard disk drive to a disk adapter, a processor operates the hard disk drive in a predetermined operation mode based on predetermined parameter information that has been prepared in advance. The hard disk drive stores, in advance, particular parameter information including information about the specific operation mode suited for operation. The processor reads the particular parameter information from the hard disk drive in the predetermined operation mode and operates the hard disk drive in the specific operation mode based on the particular parameter information.Type: ApplicationFiled: November 12, 2009Publication date: October 13, 2011Applicant: HITACHI, LTD.Inventors: Tetsuya Inoue, Hiroshi Suzuki, Satoru Yamaura, Takeki Okamoto, Yosuke Nakayama
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Publication number: 20110231683Abstract: A storage apparatus is provided that is capable of reducing data maintenance management costs with a performance that is both highly reliable and fast. The present invention is storage apparatus where an intermediary device is arranged between a controller and a plurality of disk devices of different performances arranged in a hierarchical manner. The controller unit carries out I/O accesses to and from the disk devices via the intermediary devices based on access requests sent from host apparatus. The intermediary device includes a power saving control function for the disk device and carries out operation control such as spin off and spin up of disk devices in accordance with conditions set in advance.Type: ApplicationFiled: May 31, 2011Publication date: September 22, 2011Applicant: HITACHI, LTD.Inventors: Hiroyuki KUMASAWA, Takashi Chikusa, Satoru Yamaura
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Patent number: 7917551Abstract: One or more storage controllers include a folder configuration unit for configuring a plurality of folders to store the plurality of contents in the plurality of logical volumes, a core-contents management unit for specifying and managing core-contents to become the core from the plurality of contents to be stored in the plurality of logical volumes or the plurality of folders, a related contents management unit for managing the core-contents and one or more related contents associated with a part or the whole of the core-contents from a plurality of contents to be stored in the plurality of logical volumes or the plurality of folders, and a group folder configuration unit for configuring a group folder that groups the core-contents and the related contents across the plurality of logical volumes or the plurality of folders.Type: GrantFiled: January 9, 2008Date of Patent: March 29, 2011Assignee: Hitachi, Ltd.Inventors: Takashi Chikusa, Satoru Yamaura, Kenichi Saitou, Hiroyuki Kumasawa, Masanobu Uryuu
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Publication number: 20100241765Abstract: A disk array apparatus using an SAS can transfer data without lowering a transfer efficiency of data even if rates of a plurality of physical links connected to a controller and storage device are different. A plurality of HDDs are connected to a controller through an expander. Data are transferred from the controller to the expander and then to HDD. In this connection, the controller and the expander transfers a set of transfer data in a plurality of the HDD-side physical links. The controller-side physical link integrates the transfer data, and multiplexes them to transfer. A plurality of HDDs-side physical links separates the transfer data to transfer in parallel.Type: ApplicationFiled: April 27, 2010Publication date: September 23, 2010Applicant: HITACHI, LTD.Inventors: Takashi Chikusa, Satoru Yamaura, Toshio Tachibana, Takehiro Maki, Hirotaka Honma
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Publication number: 20100223418Abstract: A storage apparatus is provided that is capable of reducing data maintenance management costs with a performance that is both highly reliable and fast. The present invention is storage apparatus where an intermediary device is arranged between a controller and a plurality of disk devices of different performances arranged in a hierarchical manner. The controller unit carries out I/O accesses to and from the disk devices via the intermediary devices based on access requests sent from host apparatus. The intermediary device includes a power saving control function for the disk device and carries out operation control such as spin off and spin up of disk devices in accordance with conditions set in advance.Type: ApplicationFiled: May 7, 2010Publication date: September 2, 2010Applicant: HITACHI, LTD.Inventors: Hiroyuki KUMASAWA, Takashi Chikusa, Satoru Yamaura
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Patent number: 7739416Abstract: A disk array apparatus using an SAS can transfer data without lowering a transfer efficiency of data even if rates of a plurality of physical links connected to a controller and storage device are different. A plurality of HDDs are connected to a controller through an expander. Data are transferred from the controller to the expander and then to HDD. In this connection, the controller and the expander transfers a set of transfer data in a plurality of the HDD-side physical links. The controller-side physical link integrates the transfer data, and multiplexes them to transfer. A plurality of HDDs-side physical links separates the transfer data to transfer in parallel.Type: GrantFiled: June 26, 2007Date of Patent: June 15, 2010Assignee: Hitachi, Ltd.Inventors: Takashi Chikusa, Satoru Yamaura, Toshio Tachibana, Takehiro Maki, Hirotaka Honma
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Patent number: 7730235Abstract: A storage apparatus is provided that is capable of reducing data maintenance management costs with a performance that is both highly reliable and fast. The present invention is storage apparatus where an intermediary device is arranged between a controller and a plurality of disk devices of different performances arranged in a hierarchical manner. The controller unit carries out I/O accesses to and from the disk devices via the intermediary devices based on access requests sent from host apparatus. The intermediary device includes a power saving control function for the disk device and carries out operation control such as spin off and spin up of disk devices in accordance with conditions set in advance.Type: GrantFiled: October 11, 2006Date of Patent: June 1, 2010Assignee: Hitachi, Ltd.Inventors: Hiroyuki Kumasawa, Takashi Chikusa, Satoru Yamaura
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Publication number: 20090276568Abstract: Proposed are a storage system, data processing method and storage apparatus capable of performing stable data I/O processing. Each of the storage apparatuses configured in the storage group stores group configuration information containing priority information given to each storage apparatus, and the storage apparatus with the highest priority becomes a master and performs virtualization processing and data I/O processing, and another storage apparatus belonging to this storage group performs internal processing of the storage group.Type: ApplicationFiled: June 1, 2009Publication date: November 5, 2009Inventors: Takashi CHIKUSA, Satoru YAMAURA, Hiroyuki KUMASAWA, Hironori NAKAMA, Masashi YUKAWA
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Patent number: 7558916Abstract: Proposed are a storage system, data processing method and storage apparatus capable of performing stable data I/O processing. Each of the storage apparatuses configured in the storage group stores group configuration information containing priority information given to each storage apparatus, and the storage apparatus with the highest priority becomes a master and performs virtualization processing and data I/O processing, and another storage apparatus belonging to this storage group performs internal processing of the storage group.Type: GrantFiled: March 16, 2006Date of Patent: July 7, 2009Assignee: Hitachi, Ltd.Inventors: Takashi Chikusa, Satoru Yamaura, Hiroyuki Kumasawa, Hironori Nakama, Masashi Yukawa
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Publication number: 20080208927Abstract: One or more storage controllers include a folder configuration unit for configuring a plurality of folders to store the plurality of contents in the plurality of logical volumes, a core-contents management unit for specifying and managing core-contents to become the core from the plurality of contents to be stored in the plurality of logical volumes or the plurality of folders, a related contents management unit for managing the core-contents and one or more related contents associated with a part or the whole of the core-contents from a plurality of contents to be stored in the plurality of logical volumes or the plurality of folders, and a group folder configuration unit for configuring a group folder that groups the core-contents and the related contents across the plurality of logical volumes or the plurality of folders.Type: ApplicationFiled: January 9, 2008Publication date: August 28, 2008Inventors: Takashi Chikusa, Satoru Yamaura, Kenichi Saitou, Hiroyuki Kumasawa, Masanobu Uryuu
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Publication number: 20080126616Abstract: A storage apparatus is provided that is capable of reducing data maintenance management costs with a performance that is both highly reliable and fast. The present invention is storage apparatus where an intermediary device is arranged between a controller and a plurality of disk devices of different performances arranged in a hierarchical manner. The controller unit carries out I/O accesses to and from the disk devices via the intermediary devices based on access requests sent from host apparatus. The intermediary device includes a power saving control function for the disk device and carries out operation control such as spin off and spin up of disk devices in accordance with conditions set in advance.Type: ApplicationFiled: October 11, 2006Publication date: May 29, 2008Applicant: HITACHI, LTD.Inventors: Hiroyuki Kumasawa, Takashi Chikusa, Satoru Yamaura
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Publication number: 20070255870Abstract: A disk array apparatus using an SAS can transfer data without lowering a transfer efficiency of data even if rates of a plurality of physical links connected to a controller and storage device are different. A plurality of HDDs are connected to a controller through an expander. Data are transferred from the controller to the expander and then to HDD. In this connection, the controller and the expander transfers a set of transfer data in a plurality of the HDD-side physical links. The controller-side physical link integrates the transfer data, and multiplexes them to transfer. A plurality of HDDs-side physical links separates the transfer data to transfer in parallel.Type: ApplicationFiled: June 26, 2007Publication date: November 1, 2007Inventors: Takashi Chikusa, Satoru Yamaura, Toshio Tachibana, Takehiro Maki, Hirotaka Honma