Dell EMC AX4-5 Manuale utente

Dell/EMC AX4-5 Fibre Channel

Storage Arrays With

Microsoft®Windows Server®

Failover Clusters

Hardware Installation

and Troubleshooting

Guide

Notes, Cautions, and Warnings

NOTE: A NOTE indicates important information that helps you make better use

of your computer.

CAUTION: A CAUTION indicates potential damage to hardware or loss of data

if instructions are not followed.

WARNING: A WARNING indicates a potential for property damage, personal

injury, or death.

____________________

Information in this document is subject to change without notice.

Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc.

is strictly forbidden.

Trademarks used in this text: Dell, the DELL logo, PowerEdge, and PowerVault are trademarks of

Dell Inc.; Active Directory, Microsoft, Windows, Windows Server, and Windows NT are either

trademarks or registered trademarks of Microsoft Corporation in the United States and/or other

countries.; EMC, Navisphere, and PowerPath are registered trademarks and MirrorView, SAN

Copy, and SnapView are trademarks of EMC Corporation.

Other trademarks and trade names may be used in this document to refer to either the entities

claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in

trademarks and trade names other than its own.

January 2010 Rev A01

Contents 3

Contents

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . 7

Cluster Solution . . . . . . . . . . . . . . . . . . . . . . 8

Cluster Hardware Requirements . . . . . . . . . . . . . 8

Cluster Nodes. . . . . . . . . . . . . . . . . . . . . 9

Cluster Storage . . . . . . . . . . . . . . . . . . . 10

Supported Cluster Configurations . . . . . . . . . . . . 11

Direct-Attached Cluster . . . . . . . . . . . . . . 11

SAN-Attached Cluster . . . . . . . . . . . . . . . 12

Other Documents You May Need . . . . . . . . . . . . 13

2 Cabling Your Cluster Hardware . . . . . . . . 15

Cabling the Mouse, Keyboard, and Monitor . . . . . . 15

Cabling the Power Supplies. . . . . . . . . . . . . . . 15

Cabling Your Cluster for Public and

Private Networks . . . . . . . . . . . . . . . . . . . . 17

Cabling the Public Network . . . . . . . . . . . . 19

Cabling the Private Network . . . . . . . . . . . . 19

NIC Teaming . . . . . . . . . . . . . . . . . . . . 20

Cabling the Storage Systems . . . . . . . . . . . . . . 20

Cabling Storage for Your

Direct-Attached Cluster . . . . . . . . . . . . . . 20

Cabling Storage for Your

SAN-Attached Cluster . . . . . . . . . . . . . . . 25

Cabling a SAN-Attached Cluster to an

AX4-5F Storage System. . . . . . . . . . . . . . . 27

4Contents

3 Preparing Your Systems

for Clustering . . . . . . . . . . . . . . . . . . . . . 35

Cluster Configuration Overview . . . . . . . . . . . . . 35

Installation Overview . . . . . . . . . . . . . . . . . . 37

Installing the Fibre Channel HBAs. . . . . . . . . . . . 38

Installing the Fibre Channel HBA Drivers. . . . . . 38

Installing EMC PowerPath. . . . . . . . . . . . . . . . 38

Implementing Zoning on a Fibre Channel

Switched Fabric . . . . . . . . . . . . . . . . . . . . . 39

Using Worldwide Port Name Zoning . . . . . . . . 39

Installing and Configuring the Shared

Storage System. . . . . . . . . . . . . . . . . . . . . . 41

Installing Navisphere Storage System

Initialization Utility . . . . . . . . . . . . . . . . . 41

Installing the Expansion Pack Using

Navisphere Express. . . . . . . . . . . . . . . . . 42

Installing Navisphere Server Utility. . . . . . . . . 43

Registering a Server With a Storage System. . . . 43

Assigning the Virtual Disks to Cluster Nodes. . . . 44

Advanced or Optional Storage Features . . . . . . 44

Installing and Configuring a Failover Cluster . . . . . . 46

Contents 5

A Troubleshooting. . . . . . . . . . . . . . . . . . . . 47

B Cluster Data Form . . . . . . . . . . . . . . . . . . 55

C Zoning Configuration Form . . . . . . . . . . . 57

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

6Contents

Introduction 7

Introduction

A failover cluster combines specific hardware and software components to

provide enhanced availability for applications and services that are run on the

cluster. A failover cluster is designed to reduce the possibility of any single

point of failure within the system that can cause the clustered applications or

services to become unavailable. It is recommended that you use redundant

components like server and storage power supplies, connections between the

nodes and the storage array(s), connections to client systems or other servers

in a multi-tier enterprise application architecture in your cluster.

This document provides information and specific configuration tasks that

enable you to configure your Microsoft®Windows Server®failover cluster

with Dell/EMC AX4-5F (2 Fibre Channel ports per Storage Processor) or

Dell/EMC AX4-5FX (4 Fibre Channel ports per Storage Processor) storage

array(s).

NOTE: Throughout this document, Dell/EMC AX4-5 refers to Dell/EMC AX4-5F and

Dell/EMC AX4-5FX storage arrays.

NOTE: Throughout this document, Windows Server 2008 refers to Windows Server

2008 and Windows Server 2008 R2 operating systems.

For more information on deploying your cluster with Windows Server 2003

operating systems, see the Dell™ Failover Clusters with Microsoft Windows

Server 2003 Installation and Troubleshooting Guide on the Dell Support

website at support.dell.com/manuals. For more information on deploying

your cluster with Windows Server 2008 operating systems, see the Dell

Failover Clusters with Microsoft Windows Server 2008 Installation and

Troubleshooting Guide on the Dell Support website at

support.dell.com/manuals.

For a list of recommended operating systems, hardware components, and

driver or firmware versions for your Dell Windows Server Failover Cluster, see

the Dell Cluster Configuration Support Matrices located on the Dell High

Availability Clustering website at dell.com/ha.

8Introduction

Cluster Solution

Your cluster implements a minimum of two node to a maximum of either eight

nodes (for Windows Server 2003) or sixteen nodes (for Windows Server 2008)

clustering and provides the following features:

• 8-Gbps and 4-Gbps Fibre Channel technologies

• High availability of resources to network clients

• Redundant paths to the shared storage

• Failure recovery for applications and services

• Flexible maintenance capabilities, allowing you to repair, maintain, or

upgrade a node or storage system without taking the entire cluster offline

Implementing Fibre Channel technology in a cluster provides the following

advantages:

•

Flexibility

— Fibre Channel allows a distance of up to 10 km between

switches without degrading the signal.

•

Availability

— Fibre Channel components use redundant connections,

providing multiple data paths and greater availability for clients.

•

Connectivity

— Fibre Channel allows more device connections than

SCSI. Because Fibre Channel devices are hot-swappable, you can add or

remove devices from the nodes without bringing down the cluster.

Cluster Hardware Requirements

Your cluster requires the following hardware components:

• Cluster nodes

• Cluster storage

Introduction 9

Cluster Nodes

Table 1-1 lists the hardware requirements for the cluster nodes.

NOTE: For more information about supported systems, HBAs and operating system

variants, see the Dell Cluster Configuration Support Matrices located on the Dell

High Availability Clustering website at dell.com/ha.

Table 1-1. Cluster Node Requirements

Component Minimum Requirement

Cluster nodes A minimum of two identical Dell™ PowerEdge™ servers are

required. The maximum number of nodes that is supported

depends on the variant of the Windows Server operating

system used in your cluster, and on the physical topology in

which the storage system and nodes are interconnected.

RAM The variant of the Windows Server operating system that is

installed on your cluster nodes determines the minimum

required amount of system RAM.

HBA ports Two Fibre Channel HBAs per node, unless the server employs

an integrated or supported dual-port Fibre Channel HBA.

Where possible, place the HBAs on separate PCI buses to

improve availability and performance.

NICs (public and

private networks)

At least two NICs: one NIC for the public network and

another NIC for the private network.

NOTE: It is recommended that the NICs on each public network

are identical, and that the NICs on each private network are

identical.

Internal disk

controller

One controller connected to at least two internal hard drives

for each node. Use any supported RAID controller or disk

controller.

Two hard drives are required for mirroring (RAID 1) and at

least three are required for disk striping with parity (RAID 5).

NOTE: It is strongly recommended that you use hardware-

based RAID or software-based disk-fault tolerance for the

internal drives.

10 Introduction

Cluster Storage

Cluster nodes can share access to external storage systems. However, only one

of the nodes can own any redundant array of independent disks (RAID)

volume in the external storage system at any time. Microsoft Cluster Services

(MSCS) controls which node has access to each RAID volume in the shared

storage system.

Table 1-2 lists supported storage systems and the configuration requirements

for the cluster nodes and stand-alone systems connected to the storage

systems.

The storage systems work together with the following hardware components:

• Disk processor enclosure (DPE)—Configured with storage processors that

control the RAID arrays in the storage system and provide storage

functionalities such as snapshots, LUN masking, and remote mirroring.

• Disk array enclosure (DAE)—Provides additional storage and is attached

to the disk processor enclosure.

• Standby power supply (SPS)—Provides backup power to protect the

integrity of the disk processor write cache. The SPS is connected to the

disk processor enclosure

Table 1-2. Cluster Storage Requirements

Hardware Components Requirement

Supported storage

systems

One to four supported Dell/EMC storage systems. For

specific storage system requirements see Table 1-3.

Cluster nodes All nodes must be directly attached to a single storage

system or attached to one or more storage systems

through a SAN.

Multiple clusters and

stand-alone systems

Can share one or more supported storage systems using

optional software that is available for your storage system.

See "Installing and Configuring the Shared Storage

System" on page 41.

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