BACKEND DEDUPLICATION AWARENESS

BACKEND DEDUPLICATION AWARENESS

A method, computer system, and a computer program product for providing backend deduplication awareness at a virtualizing layer is disclosed. The present invention may include receiving a deduplication information from a backend storage controller associated with performing an input/output (IO) oper...

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Hauptverfasser: Dicks, Alex, MULHOLLAND, MILES, Tomkins, Dominic, Bartlett, Eric John
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator Dicks, Alex
MULHOLLAND, MILES
Tomkins, Dominic
Bartlett, Eric John
description A method, computer system, and a computer program product for providing backend deduplication awareness at a virtualizing layer is disclosed. The present invention may include receiving a deduplication information from a backend storage controller associated with performing an input/output (IO) operation to a physical address of a disk. The present invention may include translating the physical address to a logical address to apply to a plurality of storage extents in a virtualizing layer. The present invention may include constructing a graph including corresponding nodes representing the plurality of storage extents and including corresponding deduplication edge weights representing a plurality of deduplications between the plurality of storage extents. The present invention may include identifying at least one subgraph within the constructed graph, wherein the identified at least one subgraph represents a storage extent cluster that is suitable for garbage collection as a cluster.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title BACKEND DEDUPLICATION AWARENESS
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