US Patent 7328373 Data processing system

Patent 7328373 was granted and assigned to Hitachi on February, 2008 by the United States Patent and Trademark Office.

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Patent Inventor Names

Shunji Kawamura0

Yoshiaki Eguchi0

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Patent abstract

In a data processing system Saving a primary site and a secondary site, storage systems are connected to each other via a communication line, data update history is recorded in a storage device as a journal in the primary site, and the journal is transferred to the secondary site via the communication line. During such transfer, loads will not concentrate to a specific volume, by switching the volume that stores the journal in the primary site, while, by switching the transfer-destination volume of the journal in the secondary site.

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=073283730

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