EqualLogic PS Series Manuale utente

Hardware Maintenance

Hard ware M ain tss ss

May 2007

EqualLogic is a registered trademark of EqualLogic, Inc.

All trademarks and registered trademarks mentioned herein are the property of their

respective owners.

Possession, use, or copying of the documentation or the software described in this

publication is authorized only under the license agreement.

EqualLogic, Inc. will not be held liable for technical or editorial errors or omissions

contained herein. Information in this document is subject to change.

PS Series Firmware Version 3.2

Part Number: 110-0002-R7

iii

Table of Contents

Preface ........................................................................................................v

Introduction to PS Series Storage Arrays ...................................................1

Steps for Setting Up and Using an Array ...................................................2

Step 1. Set Up the Array Hardware Configuration .....................................3

A. Unpack Shipping Box and Gather Required Hardware ........3

B. Mount Array in a Rack ..........................................................8

C. Install Disks or Blank Carriers ............................................10

D. Connect Power Cables for Grounding ................................11

E. Connect Array to a Network Switch ....................................12

F. Turn on Power to Array and Check LEDs ...........................15

G. Connect Array to a Console Terminal ................................19

Step 2. Configure the Array and Create a Group ......................................20

Step 3. Set the RAID Policy .....................................................................23

Using the GUI to Set the RAID Policy ....................................24

Using the CLI to Set the RAID Policy .....................................27

Step 4. Create a Volume ...........................................................................28

Using the GUI to Create a Volume ..........................................30

Using the CLI to Create a Volume ...........................................34

Step 5. Connect to the Volume from a Host System ................................35

Advanced Operations and More Information ...........................................36

Index ..........................................................................................................39

Preface

This QuickStart describes how to set up EqualLogic PS Series model 50E to 400E

storage array hardware and create a PS Series group—a self-managing, storage

area network (SAN) that is affordable and easy to use, regardless of scale.

After setting up the group, see the PS Series Group Administration manual for

information about managing the group.

Note: For model 50E to 400E storage arrays, PS Series Firmware Version 2.2 and

higher firmware versions support the Type II control module, which can be

identified by a blue face plate and single serial port. The figures in this

QuickStart show arrays installed with the Type II control module.

However—unless otherwise noted—the information in this QuickStart also

applies to the functionally equivalent Type I control module, which can be

identified by a dark gray face plate and two serial ports.

Do not mix different control module types in an array. However, a

PS Series group can include arrays with Type II control modules and

arrays with Type I control modules, if all the arrays are running compatible

firmware, as described in the PS Series Release Notes.

Audience

This QuickStart is designed for administrators responsible for setting up

PS Series 50E to 400E storage array hardware and creating a group. Although

administrators do not need extensive network or storage system experience, it

may be useful to understand:

• Basic networking concepts

• Current network environment

• User disk storage requirements

• RAID configurations

• Disk storage management

Note: This QuickStart describes using PS Series arrays in some common network

configurations. However, detailed information about setting up a network

is beyond its scope.

PS Series 50E to 400E QuickStart Preface

Organization

This QuickStart is organized as follows:

•Introduction to PS Series Storage Arrays

•Steps for Setting Up and Using an Array

Step 1. Set Up the Array Hardware Configuration

Step 2. Configure the Array and Create a Group

Step 3. Set the RAID Policy

Step 4. Create a Volume

Step 5. Connect to the Volume from a Host System

•Advanced Operations and More Information

EqualLogic Website

The EqualLogic website (www.equallogic.com) has the latest product

firmware and documentation, in addition to warranty information.

Product Documentation and Technical Support

For detailed information about PS Series storage arrays, groups, and volumes, see

the following documentation:

• Release Notes. Provides the latest information about PS Series storage arrays.

•QuickStart. Describes how to set up the storage array hardware and create a

PS Series group. Be sure to use the manual for your array model.

•Group Administration. Describes how to use the Group Manager graphical

user interface (GUI) to manage a PS Series group. This manual provides

comprehensive information about product concepts and procedures.

•CLI Reference. Describes how to use the Group Manager command line

interface (CLI) to manage a PS Series group and individual arrays.

•Hardware Maintenance.Provides information about maintaining the storage

array hardware. Be sure to use the manual for your array model.

• Online help. In the GUI, expand Tools in the far left panel and then click

Online Help for help on both the GUI and the CLI. See Obtaining Online

Help on page 2-16.

PS Series 50E to 400E QuickStart Preface

vii

The QuickStart and Hardware Maintenance manuals are printed and shipped with

the product. They are also located on the PS Series documentation CD-ROM that

is shipped with the product, along with the Group Administration and CLI

Reference manuals and the Group Manager online help.

In addition, the Host Integration Tools for Microsoft®Windows®systems are

available on the Host Integration Tools CD-ROM that is shipped with the product.

Technical support on EqualLogic products is available for customers with arrays

under warranty and customers with a valid support contract. To obtain support:

• Visit the EqualLogic Customer Support website to download the latest

documentation and firmware. Go to www.equallogic.com and log in to

your support account. If you do not have an account, register for an account.

• From the Customer Support website, you can submit a service request.

• In the United States, call toll-free 877-887-7337. Outside the United States,

call +00 1 919-767-5729. If the issue is urgent, ask to speak with a member of

the EqualLogic Customer Support team.

Online Help

Click Tools in the bottom left corner of the Group Manager graphical user

interface (GUI) to expand the menu. Then, click on Online Help for help on

both the GUI and the CLI.

The Group Manager CLI provides help at the command line. In addition, the

setup utility provides help for each prompt.

Warranty Information

The license agreement and warranty information are included in the PS Series

array shipping box. To register your array, go to www.equallogic.com, click

Support, and then click warranty registration.

Restricted Access Requirement

PS Series arrays must be installed in a restricted access location. A restricted

access location is an area that is intended only for qualified or trained personnel.

Introduction to PS Series Storage Arrays

EqualLogic PS Series storage arrays deliver the benefits of consolidated storage in

a storage area network (SAN) that is affordable and easy to use—regardless of its

size. With intelligent, automated management and fast, flexible scalability,

PS Series arrays greatly reduce storage acquisition and management costs.

By grouping together one or more PS Series arrays connected to an IP network,

you can create a PS Series group—a highly-scalable iSCSI SAN with a shared

pool of storage space. Integrated virtualization software makes a group easy to

manage and provides automatic RAID configuration, data provisioning, and load

balancing. To increase SAN capacity and performance, connect another array to

the network and add it to the group—data remains online at all times.

To ensure high reliability, PS Series storage arrays include RAID-protected

disks, automatic disk sparing, redundant fans and power supplies, and dual

high-performance control modules, each with three Gigabit Ethernet interfaces

and a battery-backed cache.

A simple setup utility lets you quickly configure an array as a member of a new

or existing group. RAID configuration and load balancing (network and data)

occur automatically. Both graphical and command line user interfaces are

available for group management.

In a multi-member group, you can separate space into storage pools, which allow

you to organize storage according to usage, providing more control over resource

allocation, while maintaining a single system management view.

Using the Group Manager graphical or command line user interface, you create

volumes, assigning to each volume a pool, size, access controls, and other

attributes. A volume can be spread across multiple disks and group members and

is seen on the network as an iSCSI target. Members and volumes can move

between pools to meet business objectives.

To connect to a volume, a host needs only a standards-compliant iSCSI initiator.

Volume access can be restricted through IP address, initiator name, or CHAP

(Challenge Handshake Authentication Protocol) credentials. Once connected, the

volume is seen by the host as a regular disk that can be formatted as usual.

PS Series 50E to 400E QuickStart Steps for Setting Up and Using an Array

At a minimum, a group consists of one array with one network connection,

but you can configure three network interfaces for maximum array bandwidth.

Data and network I/O are automatically load balanced across disks and

interfaces—with no impact on data availability.

PS Series Group With Multiple Members

You can easily increase group capacity and bandwidth by adding arrays. When an

array is added to a group, it obtains the group configuration from the existing

members. Once you choose a RAID policy for the member, the pool is

automatically expanded, and volume data and network I/O are load balanced

across the pool members’ disks and network connections. Volumes continue

to be accessible through the same iSCSI targets, and no host modifications are

necessary. Management overhead remains the same, regardless of the group size.

Steps for Setting Up and Using an Array

To start using your PS Series array:

Step 1. Set up the array hardware configuration.

Step 2. Configure the array on the network and create a group.

Step 3. Log in to the group and set the RAID policy for the array.

Step 4. Create a volume.

Step 5. Connect to the volume from a host system.

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