Dell PowerVault MD3600i Series Guide de référence rapide

Dell PowerVault MD3600i and

MD3620i Storage Arrays

Deployment Guide

book.book Page 1 Wednesday, December 29, 2010 9:23 PM

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 publication 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, and PowerVault™ are trademarks of Dell Inc.

Intel

and Pentium

are registered trademarks of Intel Corporation in the U.S. and other countries.

Microsoft®, Windows®, and Windows Server®are either trademarks or registered trademarks of

Microsoft Corporation in the United States and/or other countries. Red Hat Enterprise Linux®and

Enterprise Linux®are registered trademarks of Red Hat, Inc. Novell®is a registered trademark and

SUSE™ isatrademarkofNovellInc.intheUnitedStatesandothercountries.VMware®isaregistered

trademark of VMWare, Inc. in the United States or other countries.

Othertrademarksandtradenamesmaybeusedinthispublicationtorefertoeithertheentitiesclaiming

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

trade names other than its own.

December 2010 Rev. A00

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Contents 3

Contents

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

System Requirements . . . . . . . . . . . . . . . . . . . 7

Management Station Requirements . . . . . . . . . 7

Introduction to Storage Arrays . . . . . . . . . . . . . . 8

2 Hardware Installation . . . . . . . . . . . . . . . 11

Storage Configuration Planning . . . . . . . . . . . . . 11

About the Storage Array Connections. . . . . . . . . . 12

Cabling the Storage Array . . . . . . . . . . . . . . . . 12

Redundant and Non-Redundant

Configurations . . . . . . . . . . . . . . . . . . . 12

Direct-Attached Configurations . . . . . . . . . . 13

Network-Attached Configurations . . . . . . . . . 20

Cabling PowerVault MD1200 Series

Expansion Enclosures . . . . . . . . . . . . . . . . . . 25

Expanding With Previously Configured

PowerVault MD1200 Series

Expansion Enclosures . . . . . . . . . . . . . . . 25

Expanding With New PowerVault MD1200 Series

Expansion Enclosures . . . . . . . . . . . . . . . 27

3 Software Installation. . . . . . . . . . . . . . . . 29

Installing MD Storage Software. . . . . . . . . . . . . 29

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4Contents

Graphical Installation (Recommended). . . . . . . 30

Console Installation . . . . . . . . . . . . . . . . . 32

Silent Installation . . . . . . . . . . . . . . . . . . 32

4 Post Installation Tasks. . . . . . . . . . . . . . 35

Before You Begin. . . . . . . . . . . . . . . . . . . . . 35

iSCSI Configuration Worksheet . . . . . . . . . . . . . 36

IPv4 Settings . . . . . . . . . . . . . . . . . . . . 37

IPv6 Settings . . . . . . . . . . . . . . . . . . . . 38

Guidelines for Configuring NICs on

Your Host Server . . . . . . . . . . . . . . . . . . . . . 39

Microsoft Windows Host Setup . . . . . . . . . . . . . 39

Linux Host Setup . . . . . . . . . . . . . . . . . . . . . 41

Configuring iSCSI on Your Storage Array . . . . . . . . 42

Automatic Configuration Using the

Modular Disk Configuration Utility . . . . . . . . . 43

Post Connection Establishment Steps. . . . . . . . . . 52

5 Uninstalling Software . . . . . . . . . . . . . . 55

Uninstalling From Microsoft Windows . . . . . . . . . 55

Uninstalling From Linux . . . . . . . . . . . . . . . . . 56

A Appendix—Manual Configuration

of iSCSI . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Step 1: Discover the Storage Array

(Out-of-band Management Only) . . . . . . . . . . . . 58

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Contents 5

Default Management IPv4 Port Settings . . . . . . 58

Automatic Storage Array Discovery . . . . . . . . 59

Manual Storage Array Discovery . . . . . . . . . 60

Setting Up the Array . . . . . . . . . . . . . . . . 60

Step 2: Configure the iSCSI Ports on the

Storage Array . . . . . . . . . . . . . . . . . . . . . . 61

Step 3: Perform Target Discovery From the

iSCSI Initiator . . . . . . . . . . . . . . . . . . . . . . 63

Step 4: Configure Host Access . . . . . . . . . . . . . 65

Understanding CHAP Authentication . . . . . . . . . . 66

What is CHAP? . . . . . . . . . . . . . . . . . . . 66

Target CHAP . . . . . . . . . . . . . . . . . . . . 66

Mutual CHAP . . . . . . . . . . . . . . . . . . . . 66

CHAP Definitions . . . . . . . . . . . . . . . . . . 67

Step 5: Configure CHAP Authentication on the

Storage Array (Optional). . . . . . . . . . . . . . . . . 67

Configuring Target CHAP Authentication

on the Storage Array . . . . . . . . . . . . . . . . 67

Configuring Mutual CHAP Authentication

on the Storage Array . . . . . . . . . . . . . . . . 68

Step 6: Configure CHAP Authentication on the

Host Server (Optional) . . . . . . . . . . . . . . . . . . 69

Step 7: Connect to the Target Storage Array From the

Host Server. . . . . . . . . . . . . . . . . . . . . . . . 73

Step 8: (Optional) Set Up In-Band Management . . . . 77

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6Contents

B Appendix—Using Internet Storage

Naming Service . . . . . . . . . . . . . . . . . . . . 79

C Appendix—Load Balancing . . . . . . . . . . 81

Load Balance Policy . . . . . . . . . . . . . . . . . . . 81

Round Robin With Subset. . . . . . . . . . . . . . 81

Least Queue Depth With Subset . . . . . . . . . . 82

Least Path Weight With Subset. . . . . . . . . . . 82

Changing Load Balance Policies on the

Windows Server 2008 Operating System . . . . . . 82

Increasing Bandwidth With Multiple

iSCSI Sessions . . . . . . . . . . . . . . . . . . . 83

D Appendix—Stopping iSCSI Services

in Linux . . . . . . . . . . . . . . . . . . . . . . . . . . 87

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Introduction 7

Introduction

This guide provides information about deploying Dell PowerVault MD

MD3600i and MD3620i storage arrays. The deployment process includes:

• Hardware installation

• Modular Disk Storage Manager (MDSM) software installation

• Initial system configuration

Other information provided include system requirements, storage array

organization, and utilities.

NOTE: For more information on product documentation, see

support.dell.com/manuals.

MDSM enables an administrator to configure and monitor storage arrays for

optimum usability. The version of MDSM included on the MD3600i Series

resource media can be used to manage both the MD3600i Series and the

earlier generation MD3200i and MD3000i Series storage arrays. MDSM is

compatible with both Microsoft Windows and Linux operating systems.

System Requirements

Before installing and configuring the MD3600i Series hardware and software,

ensure that the minimum system requirements are met, and the supported

operating system is installed. For more information, see the Dell PowerVault

Support Matrix available on support.dell.com/manuals.

Management Station Requirements

A management station uses MDSM to configure and manage storage arrays

across the network, and must meet the following minimum system

requirements:

• Intel Pentium or an equivalent processor (333 MHz or faster) with 512 MB

RAM (1024 MB recommended)

• 1 GB disk space

• Display resolution of 1024x768 with 16 million colors (1280x1024 32-bit

recommended)

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8Introduction

• Microsoft Windows, Red Hat Enterprise Linux, and SUSE Linux

Enterprise Server. Operating system installations can be either native or

hypervisor guest configurations. Supported hypervisors include Microsoft

Hyper-V, Citrix XenServer, and VMware. For information about the

supported versions, see the

Support Matrix

support.dell.com

• Administrator or equivalent permissions.

Introduction to Storage Arrays

A storage array includes various hardware components, such as physical disks,

RAID controller modules, fans, and power supplies, gathered into enclosures.

An enclosure containing physical disks accessed through RAID controller

modules is called a storage array.

One or more host servers attached to the storage array can access the data on

the storage array. You can also establish multiple physical paths between the

host(s) and the storage array so that loss of any single path (for example,

through failure of a host server port) does not result in loss of access to data

on the storage array.

The storage array is managed by MDSM running on a:

• Host server—On a host server, MDSM and the storage array communicate

management requests and event information using iSCSI ports.

• Management station—On a management station, MDSM communicates

with the storage array either through an Ethernet connection to the

storage array management port or though an Ethernet connection to a

host server, which passes management information between the

management station and the storage array using iSCSI ports.

Using MDSM, you can configure the physical disks in the storage array into

logical components called disk groups and then divide the disk groups into

virtual disks. Disk groups are created in the unconfigured capacity of a storage

array. Virtual disks are created in the free capacity of a disk group.

Unconfigured capacity comprises physical disks not already assigned to a disk

group. When a virtual disk is created using unconfigured capacity, a disk

group is automatically created. If the only virtual disk in a disk group is

deleted, the disk group is also deleted. Free capacity is space in a disk group

that is not assigned to any virtual disk.

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Introduction 9

Data is written to the physical disks in the storage array using RAID

technology. RAID levels define the way in which data is written to physical

disks. Different RAID levels offer different levels of accessibility, redundancy,

and capacity. You can set a specified RAID level for each disk group and

virtual disk on your storage array.

For more information about using RAID and managing data in your storage

solution, see the Owner’s Manual

support.dell.com/manuals

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10 Introduction

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