DEDUPE AS AN INFRASTRUCTURE TO AVOID DATA MOVEMENT FOR SNAPSHOT COPY-ON-WRITES

DEDUPE AS AN INFRASTRUCTURE TO AVOID DATA MOVEMENT FOR SNAPSHOT COPY-ON-WRITES

A method for a storage system reduces data movement for snapshot copy-on-write operations. The method includes providing a live volume having snapshot chunks. Each snapshot chunk includes a number of deduplication chunks. Each deduplication chunk is mapped to a disk chunk on a disk. The method inclu...

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Hauptverfasser: Kaushik V., Shyam, Lyakas, Alex
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator Kaushik V., Shyam
Lyakas, Alex
description A method for a storage system reduces data movement for snapshot copy-on-write operations. The method includes providing a live volume having snapshot chunks. Each snapshot chunk includes a number of deduplication chunks. Each deduplication chunk is mapped to a disk chunk on a disk. The method includes creating a snapshot of the live volume and, for each host write to a snapshot chunk of the live volume that shares a set of disk chunks with a snapshot, performing a snapshot copy-on-write operation by a using a deduplication operation.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title DEDUPE AS AN INFRASTRUCTURE TO AVOID DATA MOVEMENT FOR SNAPSHOT COPY-ON-WRITES
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