Synchronization of block based volumes

Synchronization of block based volumes

Embodiments of the present invention disclose a method, a computer program product, and a computer system for data synchronization. A first data storage device reads a first data region and generates a first hash of the first data region before transmitting the first hash to a second data storage de...

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Hauptverfasser: Rostagni, Florent, Wilkinson, John P
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator Rostagni, Florent
Wilkinson, John P
description Embodiments of the present invention disclose a method, a computer program product, and a computer system for data synchronization. A first data storage device reads a first data region and generates a first hash of the first data region before transmitting the first hash to a second data storage device. The second data storage device reads a second data region corresponding to the first data region and generates a second hash of the second data region. The second data storage device then determines whether the first hash matches the second hash and, based on determining that the first hash does not match the second hash, transmits data of the second data region to the first data storage device. The first data storage device applies the data of the second data region, thereby synchronizing the first data storage device and the second data storage device.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title Synchronization of block based volumes
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