VMware vSphere 4.1 HA and DRS Technical Deepdive

VMware vSphere 4.1

HA and DRS

Technical Deepdive

transmitted by any means, electronic, mechanical, or otherwise, without written permission from

the publisher. No patent liability is assumed with respect to the use of the information contained

herein. Although every precaution has been taken in the preparation of this book, the publisher and

authors assume no responsibility for errors or omissions. Neither is any liability assumed for

damages resulting from the use of the information contained herein.

International Standard Book Number (ISBN:)

9781456301446

All terms mentioned in this book that are known to be trademarks or service marks have been

appropriately capitalized.

Use of a term in this book should not be regarded as affecting the validity of any trademark or

About the Authors

Duncan Epping is a Principal Architect working for VMware as part of the Technical Marketing

department. Duncan primarily focuses on vStorage initiatives and ESXi. He is specialized in

followed on twitter at http://twitter.com/DuncanYB.

Frank Denneman is a Consulting Architect working for VMware as part of the Professional

Services Organization. Frank works primarily with large Enterprise customers and Service

Providers. He is focused on designing large vSphere Infrastructures and specializes in Resource

Management, DRS in general and storage. Frank is a VMware Certified Professional and among the

first VMware Certified Design Experts (VCDX 029). Frank is the owner of FrankDenneman.nl which

has recently been voted number 6 worldwide on vsphere-land.com. He can be followed on twitter

at http://twitter.com/FrankDenneman.

Table of Contents

About the Authors

Acknowledgements

Foreword

Introduction to VMware High Availability

VMAP Plug-In

AAM

Nodes

Promoting Nodes

Failover Coordinator

Preferred Primary

High Availability Constructs

Isolation Response

Split-Brain

Isolation Detection