Optimized data migration with a support processor

Details Optimized data migration with a support processor Optimized data migration with a support processor

2011-03-29

2011-03-29

Bragdon, Reginald G (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C714S006130, C711SE12094

Reexamination Certificate

active

07917713

ABSTRACT:
A system migrates data between a source device and a target device in a storage system. A processor is operational within a local domain of the storage system. A redundant array of independent disks (RAID) controller electrically connected to the processor. The RAID controller divides a capacity of the source device into a plurality of sub-regions, locks the sub-regions from storage activity, establishes a mirroring relationship for write data updates between the source device and target device, and assigns the processor to copy data from the source device to the target device. A method of migrating data includes dividing a capacity of a source device into a plurality of sub-regions, locking the sub-regions from storage activity, establishing a mirroring relationship for write data updates between the source device and a target device, and assigning a local processor to copy data from the source device to the target device.

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Office Action dated Jun. 26, 2009 from Chinese counterpart application 200710192740.
Office Action dated Dec. 18, 2009 from Chinese counterpart Application No. 200710192740.

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