Storage system, data migration managing system, and data...

Details Storage system, data migration managing system, and data... Storage system, data migration managing system, and data...

2007-10-09

2007-10-09

Portka, Gary (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S152000

Reexamination Certificate

active

11150410

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.

REFERENCES:
patent: 6356977 (2002-03-01), Ofek et al.
patent: 2003/0233162 (2003-12-01), Kawai et al.
patent: 2004/0268038 (2004-12-01), Nagasoe et al.
patent: 2003-058397 (2003-02-01), None
patent: 2004-078331 (2004-03-01), None

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