Reference Guide

Chapter 1: Introduction................................................................................................................. 4
Document overview............................................................................................................................................................ 4
Audience and scope............................................................................................................................................................ 4
Chapter 2: Solution overview........................................................................................................ 5
Introduction...........................................................................................................................................................................5
Stretched clusters and Storage Replica.................................................................................................................. 5
Solution integration and network architecture.............................................................................................................6
Chapter 3: Solution deployment.................................................................................................... 8
Introduction...........................................................................................................................................................................8
Deployment prerequisites for stretched clusters........................................................................................................ 8
Customer network team requirements.......................................................................................................................... 9
Design principles and best practices...............................................................................................................................9
Validated network topology..............................................................................................................................................11
Chapter 4: Creating a stretched cluster....................................................................................... 14
Introduction......................................................................................................................................................................... 14
Test-Cluster........................................................................................................................................................................ 14
Cluster creation.................................................................................................................................................................. 14
Volumes................................................................................................................................................................................ 16
Storage efficiency.............................................................................................................................................................. 17
Test-SRTopology................................................................................................................................................................17
Chapter 5: Virtual Machines.........................................................................................................18
Introduction......................................................................................................................................................................... 18
VM and storage affinity rules..........................................................................................................................................18
Preferred sites.................................................................................................................................................................... 18
Chapter 6: Failure/Recovery from failure of Site/Node................................................................ 19
Planned failover.................................................................................................................................................................. 19
Operation steps.................................................................................................................................................................. 19
Appendix A: Appendices............................................................................................................... 21
Appendix A: Sample PowerShell cmdlets for end-to-end deployment................................................................. 21
Appendix B: Supported hardware................................................................................................................................. 25
Contents
Contents 3