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US Patent 7496718 Data transfer and access control between disk array systems

Patent 7496718 was granted and assigned to Hitachi on February, 2009 by the United States Patent and Trademark Office.

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Patent
Patent
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Patent attributes

Current Assignee
Hitachi
Hitachi
1
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
74967181
Patent Inventor Names
Hideo Tabuchi1
Toshio Nakano1
Kiichiro Urabe1
Hiroshi Ohno1
Date of Patent
February 24, 2009
1
Patent Application Number
109923121
Date Filed
November 17, 2004
1
Patent Primary Examiner
‌
B. James Peikari
1
Patent abstract

A method for copying information from a first storage subsystem to a second storage subsystem is disclosed. The first and second storage subsystems are provided in a data storage system. The method comprises transmitting first data block from the first storage subsystem to the second storage subsystem, the first storage subsystem being associated with a first host computer and the second storage subsystem being associated with a second host computer; and transmitting first attribute information from the first storage subsystem to the second storage subsystem without intervention from the first host computer.

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