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Introduction

This document provides information for installing and managing your

Dell™ PowerEdge™ blade server in a Dell PowerEdge cluster system and

specific information about clustering your PowerEdge blade server modules

with supported Dell PowerVault™ and Dell|EMC storage systems. Use this

document in conjunction with the Installation and Troubleshooting Guide for

your supported Dell PowerEdge cluster solution. This document is intended

for experienced IT professionals who need to configure the cluster solution,

and for trained service technicians who perform upgrade and maintenance

procedures.

Overview

Clustering uses specific hardware and software to join multiple systems

together to function as a single system and provide an automatic failover

solution. If one of the cluster nodes (also referred to as nodes) fails, resources

running on the failed system are moved (or failed over) to one or more

systems in the cluster by the Microsoft

MSCS is the failover software component in specific versions of the Microsoft

Windows

operating system. Cluster nodes share access to external storage

systems; however, only one of the nodes can own any virtual disk or Logical

Unit Number (LUN) in the external storage system at any time. MSCS

controls which node has access to each virtual disk in the shared storage

system.

NOTE:

This document uses the terms cluster node and server module

interchangeably.

When the failed system is repaired and brought back online, resources

automatically transfer back (or fail back) to the repaired system or remain on

the failover system, depending on how MSCS is configured. For more

information about MSCS, see the Installation and Troubleshooting Guide.

NOTE:

Reference to Microsoft Windows Server

reference to Windows Server 2003 Enterprise Edition, Windows Server 2003 R2

Enterprise Edition, Windows Server 2003 Enterprise x64 Edition, and Windows

Server 2003 R2 Enterprise x64 Edition unless explicitly stated.

Cluster Service (MSCS) software.

2003 in this guide implies

Introduction