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Inventor:
Nasu; Hiroshi
Address:
Yokohama, JP
No. of patents:
13
Patents:












Patent Number Title Of Patent Date Issued
8234419 Storage system and method of controlling same to enable effective use of resources July 31, 2012
This invention enables resources included in a storage system to be effectively used. In a storage system 1 including a host computer 3, a first storage apparatus 10 that receives a data I/O request from the host computer 3, the second storage apparatus 10, and including a function of
8200893 Storage system and storage management method for controlling off-line mode and on-line of flash June 12, 2012
An object of the present invention is to provide a storage system and storage management method, which prevent a problem in the operation of stored data from being caused by unknown states of volume information and life information, when flash memories are placed in off-line mode and
8060711 Storage system November 15, 2011
Provided is a storage system capable of holding data by associating main data for long-term retention with sub data for maintaining its readability. The storage system: stores first data in a first location within a storage area upon reception of a storage request for the first data
8032490 Storage system operable to perform LU auditing October 4, 2011
A storage system capable of identifying all volumes to be audited is provided. Operation logs 3005 concerning the operations of volumes are associated with a time and stored in storage apparatuses 1400 and 1500, and a management computer 1100 collects information about these operation
8024532 Data management method for erasing data in computer system September 20, 2011
There is provided a computer system comprising a first storage system and a second storage system coupled to the first storage system. The first storage system provides a first storage area. The second storage system provides a second storage area. The second storage system reads and
8019930 Storage system and storage management method for controlling off-line mode and on-line mode of f September 13, 2011
An object of the present invention is to provide a storage system and storage management method, which prevent a problem in the operation of stored data from being caused by unknown states of volume information and life information, when flash memories are placed in off-line mode and
7984230 Allocation of logical volumes to flash memory drives July 19, 2011
There is provided a logical volume management method for storage system. When a logical volume is created on a flash memory drive, a management computer allocates logical volume while flash memory chip border of flash memory drive is taken into account. Specifically, a table for managing
7979478 Data management method July 12, 2011
A data storage or management method is provided which allows both a content object-based access and a file-based access. A first request for storing a content object in accordance with the processing of an application program executed in a host is sent to an object archive control fu
7849280 Storage system and power consumption reduction method, and information processing apparatus December 7, 2010
In a storage system including: plural information processing apparatuses each of which copies data sent from a host computer to create archive data in accordance with redundancy sent from the host computer; and a storage apparatus having physical disks that store the archive data, the
7849264 Storage area management method for a storage system December 7, 2010
The load of managing a storage system is lessened. In a storage system where multiple logical volumes are included in a logical volume group and a copy of the logical volume group is made in a pool area different from the one to which the logical volume group belongs, a management comput
7836145 Computer system, management method, and management computer for managing data archiving storage November 16, 2010
To manage the configuration of a data archiving system without increasing the load on the data archiving system while keeping the performance of computers and the load on storage subsystems balanced, there is provided a computer system, including: a plurality of data archiving servers; a
7831551 Backup data erasure method November 9, 2010
According to this invention, a computer system has a host computer, a first storage subsystem providing a first volume, a second storage subsystem providing a second volume for storing a copy of data stored in the first volume. The computer system stores copy configuration informatio
7669022 Computer system and data management method using a storage extent for backup processing February 23, 2010
A computer system for preventing data loss that includes: a first storage system having a data storage extent for storing data sent from a host computer; a second storage system having at least one actual replicated data storage extent associated with the data storage extent; an archive










 
 
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