Dell CX4 Series Manuale utente

Dell/EMC CX4-series

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 either potential damage to hardware or

loss of data and tells you how to avoid the problem.

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,Windows XP 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.

October 2008 Rev A00

Contents 3

Contents

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

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

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

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

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

Supported Cluster Configurations . . . . . . . . . . . . 12

Direct-Attached Cluster . . . . . . . . . . . . . . 12

SAN-Attached Cluster . . . . . . . . . . . . . . . 13

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 . . . . . . . . . . . . 18

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

NIC Teaming . . . . . . . . . . . . . . . . . . . . 19

Cabling the Storage Systems . . . . . . . . . . . . . . 19

Cabling Storage for Your Direct-Attached

Cluster . . . . . . . . . . . . . . . . . . . . . . . 20

Cabling Storage for Your SAN-Attached

Cluster . . . . . . . . . . . . . . . . . . . . . . . 25

4Contents

3 Preparing Your Systems for

Clustering . . . . . . . . . . . . . . . . . . . . . . . . 39

Cluster Configuration Overview . . . . . . . . . . . . . 39

Installation Overview . . . . . . . . . . . . . . . . . . 41

Installing the Fibre Channel HBAs. . . . . . . . . . . . 42

Installing the Fibre Channel HBA Drivers. . . . . . 42

Implementing Zoning on a Fibre Channel

Switched Fabric . . . . . . . . . . . . . . . . . . . . . 42

Using Zoning in SAN Configurations Containing

Multiple Hosts. . . . . . . . . . . . . . . . . . . . 43

Using Worldwide Port Name Zoning . . . . . . . . 43

Installing and Configuring the Shared

Storage System. . . . . . . . . . . . . . . . . . . . . . 45

Access Control . . . . . . . . . . . . . . . . . . . 45

Storage Groups . . . . . . . . . . . . . . . . . . . 46

Navisphere Manager . . . . . . . . . . . . . . . . 48

Navisphere Agent. . . . . . . . . . . . . . . . . . 48

EMC PowerPath. . . . . . . . . . . . . . . . . . . 49

Enabling Access Control and Creating

Storage Groups Using Navisphere . . . . . . . . . 49

Configuring the Hard Drives on the Shared

Storage System(s). . . . . . . . . . . . . . . . . . 51

Optional Storage Features . . . . . . . . . . . . . 52

Updating a Dell/EMC Storage System for

Clustering . . . . . . . . . . . . . . . . . . . . . . . . 53

Installing and Configuring a Failover Cluster . . . . . . 53

Contents 5

A Troubleshooting. . . . . . . . . . . . . . . . . . . . 55

B Zoning Configuration Form . . . . . . . . . . . 61

C Cluster Data Form . . . . . . . . . . . . . . . . . . 63

6Contents

Introduction 7

Introduction

A Dell™ 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), and connections to client systems or other

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

This document provides information to configure your Dell/EMC CX4-series

fibre channel storage arrays with one or more Failover Clusters. It provides

specific configuration tasks that enable you to deploy the shared storage for

your cluster.

For more information on deploying your cluster with Microsoft®Windows

Server®2003 operating systems, see the Dell Failover Clusters with Microsoft

Windows Server 2003 Installation and Troubleshooting Guide located on the

Dell Support website at support.dell.com. 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 located on the Dell Support website at

support.dell.com.

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

driver or firmware versions for your Dell Failover Cluster, see the Dell Cluster

Configuration Support Matrix on the Dell High Availability website at

www.dell.com/ha.

8Introduction

Cluster Solution

Your cluster implements a minimum of two nodes to a maximum of either

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

2008) and provides the following features:

• 8-Gbps and 4-Gbps Fibre Channel technology

• 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

Small Computer System Interface (SCSI). Because Fibre Channel devices

are hot-pluggable, you can add or remove devices from the nodes without

taking the entire cluster offline.

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 Matrix on the Dell High

Availability website at www.dell.com/ha.

Table 1-1. Cluster Node Requirements

Component Minimum Requirement

Cluster nodes A minimum of two identical PowerEdge servers are required.

The maximum number of nodes that are supported depend

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

RAM required.

Host Bus Adapter

(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 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

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

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

Table 1-3 lists hardware requirements for the storage processor enclosures (SPE),

disk array enclosures (DAE), and standby power supplies (SPS).

NOTE: The DAE-OS is the first DAE enclosure that is connected to the CX4-series

(including all of the storage systems listed above). Core software is preinstalled on

the first five hard drives of the DAE-OS.

Table 1-2. Cluster Storage Requirements

Hardware Components Requirement

Supported storage

systems

One to four supported Dell/EMC storage systems. See

Table 1-3 for specific storage system requirements.

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. See

"Installing and Configuring the Shared Storage System" on

page 45.

Table 1-3. Dell/EMC Storage System Requirements

Processor

Enclosure

Minimum Storage Possible Storage

Expansion

SPS

CX4-120 One DAE-OS with at

least five and up to 15

hard drives

Up to seven DAE’s with

a maximum of 15 hard

drives each

Two for SPE and

DAE-OS

CX4-240 One DAE-OS with at

least five and up to 15

hard drives

Up to fifteen DAE’s with

a maximum of 15 hard

drives each

Two for SPE and

DAE-OS

CX4-480 One DAE-OS with at

least five and up to 15

hard drives

Up to thirty one DAE’s

with a maximum of 15

hard drives each

Two for SPE and

DAE-OS

CX4-960 One DAE-OS with at

least five and up to 15

hard drives

Up to sixty three DAE’s

with a maximum of 15

hard drives each

Two for SPE and

DAE-OS

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