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Nov 16, 2016 - PS Series Asynchronous Replication Best Practices and Sizing Guide | BP1012 ...... Email settings for replication alerts from SAN Headquarters.
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PS Series Asynchronous Replication Best Practices and Sizing Guide Dell EMC Engineering November 2016

A Dell EMC Best Practices Guide

Revisions Date

Description

August 2013

Initial release

November 2016

Added updates for delegated space in multiple pools as well as a sizing example

Acknowledgements Updated by: Chuck Farah

The information in this publication is provided “as is.” Dell Inc. makes no representations or warranties of any kind with respect to the information in this publication, and specifically disclaims implied warranties of merchantability or fitness for a particular purpose. Use, copying, and distribution of any software described in this publication requires an applicable software license. Copyright © 2016 Dell Inc. or its subsidiaries. All Rights Reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be the property of their respective owners. Published in the USA. [11/16/2016] [Best Practices Guide] [BP1012] Dell EMC believes the information in this document is accurate as of its publication date. The information is subject to change without notice.

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PS Series Asynchronous Replication Best Practices and Sizing Guide | BP1012

Table of contents 1

2

3

1.1

Audience .............................................................................................................................................................5

1.2

Key benefits of using PS Series asynchronous replication ................................................................................5

Asynchronous replication overview ..............................................................................................................................7 2.1

Terminology ........................................................................................................................................................7

2.2

Configuration limits and storage requirements ...................................................................................................8

2.3

Local reserve, delegated space and replica reserve ..........................................................................................9

2.4

Replication partnerships ...................................................................................................................................10

PS Series replication process ....................................................................................................................................12 3.1

Replication setup (one-time) .............................................................................................................................12

3.2

Replication processing (repeating) ...................................................................................................................12

3.3

Between replication events (repeating) ............................................................................................................13

3.4

Fast failback ......................................................................................................................................................14

3.5

Space borrowing for replication ........................................................................................................................14

4

Test topology and architecture ...................................................................................................................................15

5

Test methodology ........................................................................