Patents by Inventor Kenji Onabe
Kenji Onabe 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: 8464094Abstract: A disk array system, upon detecting a failure in any data disk from among a plurality of data disks providing one or more RAID groups, conducting a correction copy to any spare disk, using one or more other data disks belonging to the same RAID group as the data disk causing the failure. When the data disk causing the failure has been replaced with a new data disk, the disk array system alters the management so that the data disk can be managed as a spare disk, and the spare disk can be managed as a data disk.Type: GrantFiled: April 10, 2012Date of Patent: June 11, 2013Assignee: Hitachi, Ltd.Inventors: Atsushi Ishikawa, Kenji Onabe
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Patent number: 8341347Abstract: A storage controller of the present invention enables a larger number of storage devices to be mounted while keeping the installation size small. A plurality of sub-storage units are disposed inside a high density-type storage unit. The respective sub-storage units comprise a plurality of hard disk drives, controller, memory, power supply device, and display part. The respective sub-storage units operate independently of one another. A controller creates a management table based on management data acquired from the respective sub-storage units. The user is notified when there is an error in the table contents. A display part lights up in accordance with an indication from a storage unit specification part, notifying the user of the location of the sub-storage unit.Type: GrantFiled: February 18, 2009Date of Patent: December 25, 2012Assignee: Hitachi, Ltd.Inventors: Kenji Onabe, Koji Arai, Tetsuya Shirogane
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Patent number: 8327184Abstract: Unique information including a logical type name is stored in a user data area of a management area as a media of the alternative disk drive to become an alternative of the storage device. Upon using the alternative disk drive, a disk controller reads the unique information of the alternative disk drive, and determines that copy back is unnecessary when the rotating speed and capacity belonging to the unique information of the alternative disk drive are the same as the rotating speed and capacity of the failed disk drive belonging to RAID, and otherwise determines that copy back is necessary.Type: GrantFiled: January 26, 2011Date of Patent: December 4, 2012Assignee: Hitachi, Ltd.Inventors: Kenji Onabe, Seiki Morita
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Publication number: 20120198273Abstract: A disk array system, upon detecting a failure in any data disk from among a plurality of data disks providing one or more RAID groups, conducting a correction copy to any spare disk, using one or more other data disks belonging to the same RAID group as the data disk causing the failure. When the data disk causing the failure has been replaced with a new data disk, the disk array system alters the management so that the data disk can be managed as a spare disk, and the spare disk can be managed as a data disk.Type: ApplicationFiled: April 10, 2012Publication date: August 2, 2012Applicant: HITACHI, LTD.Inventors: Atsushi ISHIKAWA, Kenji ONABE
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Patent number: 8176359Abstract: A disk array system, upon detecting a failure in any data disk from among a plurality of data disks providing one or more RAID groups, conducting a correction copy to any spare disk, using one or more other data disks belonging to the same RAID group as the data disk causing the failure. When the data disk causing the failure has been replaced with a new data disk, the disk array system alters the management so that the data disk can be managed as a spare disk, and the spare disk can be managed as a data disk.Type: GrantFiled: February 4, 2009Date of Patent: May 8, 2012Assignee: Hitachi, Ltd.Inventors: Atsushi Ishikawa, Kenji Onabe
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Publication number: 20110119527Abstract: Unique information including a logical type name is stored in a user data area of a management area as a media of the alternative disk drive to become an alternative of the storage device. Upon using the alternative disk drive, a disk controller reads the unique information of the alternative disk drive, and determines that copy back is unnecessary when the rotating speed and capacity belonging to the unique information of the alternative disk drive are the same as the rotating speed and capacity of the failed disk drive belonging to RAID, and otherwise determines that copy back is necessary.Type: ApplicationFiled: January 26, 2011Publication date: May 19, 2011Inventors: KENJI ONABE, Seiki Morita
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Patent number: 7895467Abstract: Unique information including a logical type name is stored in a user data area of a management area as a media of the alternative disk drive to become an alternative of the storage device. Upon using the alternative disk drive, a disk controller reads the unique information of the alternative disk drive, and determines that copy back is unnecessary when the rotating speed and capacity belonging to the unique information of the alternative disk drive are the same as the rotating speed and capacity of the failed disk drive belonging to RAID, and otherwise determines that copy back is necessary.Type: GrantFiled: January 11, 2008Date of Patent: February 22, 2011Assignee: Hitachi, Ltd.Inventors: Kenji Onabe, Seiki Morita
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Publication number: 20100122027Abstract: A storage controller of the present invention enables a larger number of storage devices to be mounted while keeping the installation size small. A plurality of sub-storage units are disposed inside a high density-type storage unit. The respective sub-storage units comprise a plurality of hard disk drives, controller, memory, power supply device, and display part. The respective sub-storage units operate independently of one another. A controller creates a management table based on management data acquired from the respective sub-storage units. The user is notified when there is an error in the table contents. A display part lights up in accordance with an indication from a storage unit specification part, notifying the user of the location of the sub-storage unit.Type: ApplicationFiled: February 18, 2009Publication date: May 13, 2010Inventors: Kenji Onabe, Koji Arai, Tetsuya Shirogane
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Publication number: 20090199042Abstract: A disk array system, upon detecting a failure in any data disk from among a plurality of data disks providing one or more RAID groups, conducting a correction copy to any spare disk, using one or more other data disks belonging to the same RAID group as the data disk causing the failure. When the data disk causing the failure has been replaced with a new data disk, the disk array system alters the management so that the data disk can be managed as a spare disk, and the spare disk can be managed as a data disk.Type: ApplicationFiled: February 4, 2009Publication date: August 6, 2009Inventors: Atsushi Ishikawa, Kenji Onabe
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Patent number: 7502955Abstract: A disk array system, upon detecting a failure in any data disk from among a plurality of data disks providing one or more RAID groups, conducting a correction copy to any spare disk, using one or more other data disks belonging to the same RAID group as the data disk causing the failure. When the data disk causing the failure has been replaced with a new data disk, the disk array system alters the management so that the data disk can be managed as a spare disk, and the spare disk can be managed as a data disk.Type: GrantFiled: November 16, 2005Date of Patent: March 10, 2009Assignee: Hitachi, Ltd.Inventors: Atsushi Ishikawa, Kenji Onabe
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Publication number: 20090031167Abstract: Unique information including a logical type name is stored in a user data area of a management area as a media of the alternative disk drive to become an alternative of the storage device. Upon using the alternative disk drive, a disk controller reads the unique information of the alternative disk drive, and determines that copy back is unnecessary when the rotating speed and capacity belonging to the unique information of the alternative disk drive are the same as the rotating speed and capacity of the failed disk drive belonging to RAID, and otherwise determines that copy back is necessary.Type: ApplicationFiled: January 11, 2008Publication date: January 29, 2009Inventors: Kenji Onabe, Seiki Morita
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Patent number: 7360038Abstract: A storage control system comprises a first controller connected through a first access route to a first storage; a second controller connected through a second access route to a second storage device; a third controller connected through a third access route to the first storage device; and a fourth controller connected through a fourth access route to the second storage device. For example, if the access destination in accordance with the access instruction received from the host device is the second storage device, the first controller outputs an access request to the second controller. The second controller accesses the second storage device through the second access route in accordance with this access request.Type: GrantFiled: September 16, 2005Date of Patent: April 15, 2008Assignee: Hitachi, Ltd.Inventors: Kenji Onabe, Koji Arai, Atsushi Ishikawa
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Publication number: 20070067666Abstract: A disk array system, upon detecting a failure in any data disk from among a plurality of data disks providing one or more RAID groups, conducting a correction copy to any spare disk, using one or more other data disks belonging to the same RAID group as the data disk causing the failure. When the data disk causing the failure has been replaced with a new data disk, the disk array system alters the management so that the data disk can be managed as a spare disk, and the spare disk can be managed as a data disk.Type: ApplicationFiled: November 16, 2005Publication date: March 22, 2007Inventors: Atsushi Ishikawa, Kenji Onabe
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Publication number: 20060259712Abstract: A storage control system comprises a first controller connected through a first access route to a first storage; a second controller connected through a second access route to a second storage device; a third controller connected through a third access route to the first storage device; and a fourth controller connected through a fourth access route to the second storage device. For example, if the access destination in accordance with the access instruction received from the host device is the second storage device, the first controller outputs an access request to the second controller. The second controller accesses the second storage device through the second access route in accordance with this access request.Type: ApplicationFiled: September 16, 2005Publication date: November 16, 2006Inventors: Kenji Onabe, Koji Arai, Atsushi Ishikawa