Using Dell PS Series Asynchronous Replication - Dell Community

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Using Dell PS Series Asynchronous Replication Best practices for replication, planning, and recovery with PS Series arrays Dell Storage Engineering June 2015

A Dell Best Practices Guide

Revisions Date

Description

January 2010

Initial release

June 2015

Updated for Dell PS Series firmware v8.0

Acknowledgements Original author: Keith Swindell Updated by: Michael Pacheco

THIS WHITE PAPER IS FOR INFORMATIONAL PURPOSES ONLY, AND MAY CONTAIN TYPOGRAPHICAL ERRORS AND TECHNICAL INACCURACIES. THE CONTENT IS PROVIDED AS IS, WITHOUT EXPRESS OR IMPLIED WARRANTIES OF ANY KIND. © 2010-2015 Dell Inc. All Rights Reserved. Dell, the Dell logo and Dell brand are trademarks of Dell Inc. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell disclaims any proprietary interest in the marks and names of others.

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Using Dell PS Series Asynchronous Replication | TR1052

Table of contents Revisions ............................................................................................................................................................................................. 2 Acknowledgements .......................................................................................................................................................................... 2 Introduction ....................................................................................................................................................................................... 5 Audience ............................................................................................................................................................................................. 5 Objective ............................................................................................................................................................................................ 5 1

About Asynchronous Replication ........................................................................................................................................... 6

2

Replication planning.................................................................................................................................................................. 7

3

2.1

Primary and secondary group administration ........................................................................................................... 8

2.2

Space requirements ........................................................................................................................................................ 8

2.3

Volumes .......................................................................................................................................................................... 10

2.4

Volume collections ....................................................................................................................................................... 10

2.5

Replica frequency and keep count ............................................................................................................................ 10

2.6

Schedules ........................................................................................................................................................................ 11

2.7

Failover and failback considerations........................................................................................................................... 11

Configuring group replication ..........................................................................................................................