The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 09, 2007
Filed:
Jun. 10, 2005
Takayoshi Iitsuka, Tokyo, JP;
Takayoshi Iitsuka, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A data migration management system for preventing alteration such as rewriting or deletion, and migrating data between storage systems during an alteration prevention term. This data migration management system copies data from a logical device of a source storage system to a logical device of a destination storage system, and sets an alteration prevention setting for the destination logical device. Once the data migration management system acquires an alteration prevention status report from the destination storage system and confirms that the data has been migrated without alteration, it cancels the alteration prevention setting of the source storage system.
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