Fibre_Channel_SAN_Configuration_Guide.pdf

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Fibre Channel SAN Configuration Guide ESX 4.1
Fibre Channel SAN Configuration Guide
ESX 4.1
ESXi 4.1
vCenter Server 4.1
This document supports the version of each product listed and
supports all subsequent versions until the document is replaced
by a new edition. To check for more recent editions of this
EN-000290-02
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Fibre Channel SAN Configuration Guide
You can find the most up-to-date technical documentation on the VMware Web site at:
The VMware Web site also provides the latest product updates.
If you have comments about this documentation, submit your feedback to:
Copyright © 2009–2011 VMware, Inc. All rights reserved. This product is protected by U.S. and international copyright and
intellectual property laws. VMware products are covered by one or more patents listed at
VMware is a registered trademark or trademark of VMware, Inc. in the United States and/or other jurisdictions. All other marks
and names mentioned herein may be trademarks of their respective companies.
VMware, Inc.
3401 Hillview Ave.
Palo Alto, CA 94304
www.vmware.com
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Contents
Updated Information 5
About This Book 7
1 Overview of VMware ESX/ESXi 9
Introduction to ESX/ESXi 9
Understanding Virtualization 10
Interacting with ESX/ESXi Systems 13
2 Using ESX/ESXi with Fibre Channel SAN 15
Storage Area Network Concepts 15
Overview of Using ESX/ESXi with a SAN 17
Understanding VMFS Datastores 18
Making LUN Decisions 19
Specifics of Using SAN Storage with ESX/ESXi 21
How Virtual Machines Access Data on a SAN 22
Understanding Multipathing and Failover 23
Choosing Virtual Machine Locations 26
Designing for Server Failure 27
Optimizing Resource Use 28
3 Requirements and Installation 29
General ESX/ESXi SAN Requirements 29
Installation and Setup Steps 31
4 Setting Up SAN Storage Devices with ESX/ESXi 33
Testing ESX/ESXi SAN Configurations 33
General Setup Considerations for Fibre Channel SAN Arrays 34
EMC CLARiiON Storage Systems 34
EMC Symmetrix Storage Systems 35
IBM Systems Storage 8000 and IBM ESS800 36
HP StorageWorks Storage Systems 36
Hitachi Data Systems Storage 37
Network Appliance Storage 37
LSI-Based Storage Systems 38
5 Using Boot from SAN with ESX/ESXi Systems 39
Boot from SAN Restrictions and Benefits 39
Boot from SAN Requirements and Considerations 40
Getting Ready for Boot from SAN 40
Configure Emulex HBA to Boot from SAN 42
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Fibre Channel SAN Configuration Guide
Configure QLogic HBA to Boot from SAN 43
6 Managing ESX/ESXi Systems That Use SAN Storage 45
Viewing Storage Adapter Information 45
Viewing Storage Device Information 46
Viewing Datastore Information 48
Resolving Storage Display Issues 49
N-Port ID Virtualization 53
Path Scanning and Claiming 56
Path Management and Manual, or Static, Load Balancing 59
Path Failover 60
Sharing Diagnostic Partitions 61
Disable Automatic Host Registration 61
Avoiding and Resolving SAN Problems 62
Optimizing SAN Storage Performance 62
Resolving Performance Issues 63
SAN Storage Backup Considerations 67
Layered Applications 68
Managing Duplicate VMFS Datastores 69
Storage Hardware Acceleration 71
A Multipathing Checklist 75
B Managing Multipathing Modules and Hardware Acceleration Plug-Ins 77
Managing Storage Paths and Multipathing Plug-Ins 77
Managing Hardware Acceleration Filter and Plug-Ins 84
esxcli corestorage claimrule Options 87
Index 89
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Updated Information
This Fibre Channel SAN Configuration Guide is updated with each release of the product or when necessary.
This table pro vides the update history of the Fibre Channel SAN Configuration Guide .
Revision Description
EN-000290-02 Removed reference to the IBM System Storage DS4800 Storage Systems. These devices are not supported
with ESX/ESXi 4.1.
EN-000290-01 n “HP StorageWorks XP,” on page 36 and Appendix A, “Multipathing Checklist,” on page 75 have
been changed to include host mode parameters required for HP StorageWorks XP arrays.
n “Boot from SAN Restrictions and Benefits,” on page 39 is updated to remove a reference to the
restriction on using Microsoft Cluster Service.
EN-000290-00 Initial release.
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