Methods computer readable media, and systems for copying data between mirrored systems

Methods computer readable media, and systems for copying data between mirrored systems

A method includes receiving a copy command, by a primary data storage device, to copy a data portion stored on the primary data storage device to another location on the primary data storage device; determining, with a mirroring module, whether a local copy of the data portion is stored on a seconda...

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Hauptverfasser: Duprey Dennis, O'Brien, III Walter A
Format: Patent
Sprache:eng
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CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator Duprey Dennis
O'Brien, III Walter A
description A method includes receiving a copy command, by a primary data storage device, to copy a data portion stored on the primary data storage device to another location on the primary data storage device; determining, with a mirroring module, whether a local copy of the data portion is stored on a secondary data storage device and whether the another location on the primary data storage device is mirrored by the secondary data storage device, the secondary data storage device at least partially mirroring the primary data storage device; and if the local copy of the data portion is stored on the secondary data storage device and the another location is mirrored by the secondary data storage device, sending a second command to the secondary data storage device to copy the local copy of the data portion to another location on the secondary data storage device.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Methods computer readable media, and systems for copying data between mirrored systems
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