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Reference Architecture for VMware® vSphere™ 4 in a 10 Gigabit iSCSI Environment with Dell™ PowerEdge™ Blade Servers
A Solution Guide

March 2010 Dell Virtualization Solutions Engineering

Reference Architecture for VMware vSphere 4 in a 10 Gigabit iSCSI Environment

Information in this document is subject to change without notice. ©Copyright 2010 Dell Inc. All rights reserved.

Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. This white paper is for informational purposes only and may contain typographical errors or technical inaccuracies. The content is provided as is, without express or implied warranties of any kind.

Dell, the DELL logo, EqualLogic, PowerEdge,PowerConnect, and Dell OpenManage are trademarks of Dell Inc. Microsoft is a registered trademark of Microsoft Corporation; VMware, vSphere, vCenter, and VMotion are registered trademarks or trademarks (the "Marks") of VMware, Inc. in the United States
and/or other jurisdictions. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names ortheir products. Dell disclaims proprietary interest in the marks and names of others.

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Reference Architecture for VMware vSphere 4 in a 10 Gigabit iSCSI Environment

Table of Contents
1 2 3 Introduction Audience and Scope Overview 3.1 3.2 3.3 4 5 6 VMware vSphere 4 Dell PowerEdge Blade Servers Dell EqualLogic PS6010 Series iSCSI Arrays 5 5 5 6 7 8 9 12 13 13 14 15 19 23 2324 25 25 26 27 27 28 29 29 30 32 32 33

Specification Reference Architecture Network Architecture 6.1 6.2 6.3 6.4 Understanding the Dell Blade Network Architecture vSphere Network Overview LAN Architecture iSCSI SAN Architecture


Scalability 7.1 7.2 Scaling Compute Resources Scaling Storage Resources


Storage Configuration 8.1 8.2 Volume Size Considerations Array RAID Configuration9

Management 9.1 9.2 9.3 9.4 Virtualization Management Systems Management Storage Management Switch Management Deploying and Configuring the Solution References Feedback

10 11 12


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Reference Architecture for VMware vSphere 4 in a 10 Gigabit iSCSI Environment Table of Figures Figure 1: Overview of Dell Blade Server, Dell EqualLogic SAN, and VMware vSphereFigure 2: Reference Architecture for a Large Configuration Figure 3: Adapter and I/O Modules connection in Chassis for M610 Blade Server Figure 4: Overview of Network Configuration Figure 5: LAN Configuration Figure 6: Storage Connectivity Figure 7: iSCSI SAN Configuration Figure 8: Multipathing using Round Robin Figure 9: Storage Connectivity with Intermediate Switches Figure 10: Managementcomponents Figure 11: VMware vCenter (High Available) configuration

5 13 14 15 16 20 21 22 25 27 28

Dell Inc


Reference Architecture for VMware vSphere 4 in a 10 Gigabit iSCSI Environment

1 Introduction
Reference Architectures for Virtualization are pre-configured, easy to order, bundled solutions that ™ include Dell PowerEdge servers, storage and networking combined with industryleading hypervisors. This white paper provides a detailed reference architecture for configurations based on VMware vSphere 4 ESXi with Dell PowerEdge blade servers, 10Gb iSCSI EqualLogic SAN, and PowerConnect network switches. Based on extensive engineering work in architectural design and certification, customers can quickly and confidently deploy these engineering proven architectures into productionenvironments, thereby helping to eliminate much of the costly and time consuming trial and error often encountered during complex infrastructure design and implementation. This solution provides scalability and manageability with no single point-of-failure. Network architectures, storage configurations, and best practices necessary for deploying and configuring vSphere are discussed in detail....
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