US Patent 7237079 Data migration method and a data migration apparatus

Patent 7237079 was granted and assigned to Hitachi on June, 2007 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Hitachi

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

72370790

Patent Inventor Names

Takahiro Fujita0

Yasunori Kaneda0

Date of Patent

June 26, 2007

Patent Application Number

112391290

Date Filed

September 30, 2005

Patent Primary Examiner

‌

Brian R. Peugh

Patent abstract

The management computer 600 copies data in the volume 111 within the storage device 100A to the volume 115 within the storage device 100B. Upon completion of copy processing, the volume 115 is set to write protect. Then, the data in the volume 111 is read from the storage device 100A, and the data in the volume 115 is also read from the storage device 100B, to compare the two data items. Only when the data items agree with each other, setting of FC switch 400 is changed, and a target of the host computer 500 is switched from the storage device 100A to the storage device 100B.

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