IBM Redbooks ServeRAID-MR10i Manuale utente

ServeRAID-MR10i

USER’S

GUIDE

February 2009

IBM P/N: 46M1377

Third Edition (February 2009)

US Government Users Restricted Rights – Use, duplication or disclosure

restricted by GSA ADP Schedule Contract with IBM Corp.

ServeRAID-MR10i User’s Guide iii

Preface

This book is the primary reference and user’s guide for the ServeRAID-

MR10i SAS/SATA Controller. It contains installation instructions and

specifications for the adapter. In addition, it explains how to install and

use the intelligent Battery Backup Unit (iBBU) that is used with the

ServeRAID-MR10i controller.

For details on how to configure the controller, refer to the ServeRAID-

MR Software User’s Guide. For information about the operating system

drivers, refer to the ServeRAID-MR Device Driver Installation User’s

Guide.

Audience

This document assumes that you have some familiarity with RAID

controllers and related support devices. The people who benefit from this

book are:

•Engineers who are designing a system that will include a

ServeRAID-MR10i SAS/SATA Controller.

•Anyone installing a ServeRAID-MR10i SAS/SATA Controller in a

RAID system.

•End users who need to install the iBBU products on the ServeRAID-

MR10i SAS/SATA Controller.

•Engineers and managers who are evaluating iBBU products for

possible use with ServeRAID controllers.

Organization

This document has the following chapters and appendix:

iv Preface

•Chapter 1, Overview, provides a general overview of the

ServeRAID-MR10i controller.

•Chapter 2, ServeRAID-MR10i SAS/SATA Controller

Hardware Installation, describes the procedures for installing the

ServeRAID-MR10i controller.

•Chapter 3, ServeRAID-MR10i SAS/SATA Controller

Characteristics, provides the characteristics and technical

specifications for the ServeRAID-MR10i controller.

•Chapter 4, Introduction to the Intelligent Backup Battery Unit,

describes the iBBU model and explains how it operates.

•Chapter 5, Installing the Intelligent Battery Backup Unit, explains

how to install the iBBU model.

•Chapter 6, Using the Intelligent Battery Backup Unit, explains

how to use and monitor the iBBU model and how to replace it.

•Chapter 7, Intelligent Battery Backup Unit Specifications, has

complete technical information and specifications for the iBBU

model.

•Appendix A, Notices, contains information about the warranty,

patents, license inquiries, and trademarks.

•Appendix B, Glossary of Terms and Abbreviations, lists and

explains the terms and abbreviations used in this manual.

Related Publications

ServeRAID-MR Device Driver Installation User’s Guide

IBM Document Number: 46M1382

This document explains how to install the ServeRAID device driver for

your operating system. The information in this document is independent

of the back-end bus and applies to the ServeRAID-MR10i controller.

ServeRAID-MR Software User’s Guide

IBM Document Number: 46M1381

This document explains how to use the MegaRAID Storage Manager,

WebBIOS Configuration Utility, and Command Line Interface (CLI)

Preface v

utilities to configure, monitor, and maintain ServeRAID-MR10i controller

and the storage-related devices connected to them.

IBM Systems Safety Notices

IBM Document Number: G229-9054-01

This book contains safety notices from IBM Systems documentation. The

safety notices include danger and caution notices.

Notices and Statements in This Document

The caution and danger statements in this document are also in the

multilingual IBM Systems Safety Notices document, which is on the

ServeRAID-MR Support CD. Each statement is followed by a reference

number that you can use to locate the corresponding statement in your

language in the IBM Systems Safety Notices document. The following

notices and statements are used in this document:

Note: These notices provide important tips, guidance, or advice.

Important: These notices provide information or advice that might help

you avoid inconvenient or problem situations.

Attention: These notices indicate potential damage to programs,

devices, or data. An attention notice is placed just before

the instruction or situation in which damage might occur.

CAUTION: These statements indicate situations that can be potentially

hazardous to you. A caution statement is placed just before

the description of a potentially hazardous procedure step or

situation.

DANGER:These statements indicate situations that can be poten-

tially lethal or extremely hazardous to you. A danger

statement is placed just before the description of a

potentially lethal or extremely hazardous procedure

step or situation.

vi Preface

Revision History

IBM Customer Support

Web site:

http://www.ibm.com/systems/support/

Safety Instructions

Use the following safety guidelines to help protect your computer system

from potential damage and to ensure your own personal safety.

Note: Use the ServeRAID-MR10i SAS/SATA Controller

with UL-listed Information Technology Equipment (ITE)

products only.

IBM Document

Number Edition/Date Remarks

46M1377 Third Edition

February 2009

Updated the procedures for monitoring and maintaining the

intelligent Battery Backup Unit.

43W7849 Second Edition

November 2007

Second edition of document.

43W7840 First Edition

November 2007

Initial release of document.

Preface vii

DANGER

When working on or around the system, observe the following precautions:

Electrical voltage and current from power, telephone, and communication

cables are hazardous. To avoid a shock hazard:

•Connect power to this unit only with the provided power cord. Do not use

the provided power cord for any other product.

•Do not open or service any power supply assembly.

•Do not connect or disconnect any cables or perform installation,

maintenance, or reconfiguration of this product during an electrical storm.

•The product might be equipped with multiple power cords. To remove all

hazardous voltages, disconnect all power cords.

•Connect all power cords to a properly wired and grounded electrical

outlet. Ensure that the outlet supplies proper voltage and phase rotation

according to the system rating plate.

•Connect any equipment that will be attached to this product to properly

wired outlets.

•When possible, use one hand only to connect or disconnect signal cables.

•Never turn on any equipment when there is evidence of fire, water, or

structural damage.

•Disconnect the attached power cords, telecommunications systems,

networks, and modems before you open the device covers, unless

instructed otherwise in the installation and configuration procedures.

•Connect and disconnect cables as described in the following procedures

when installing, moving, or opening covers on this product or attached

devices.

To disconnect:

1. Turn off everything (unless instructed otherwise).

2. Remove the power cords from the outlets.

3. Remove the signal cables from the connectors.

4. Remove all cables from the devices.

To connect:

1. Turn off everything (unless instructed otherwise).

2. Attach all cables to the devices.

3. Attach the signal cables to the connectors.

4. Attach the power cords to the outlets.

5. Turn on the devices.

(D005)

viii Preface

CAUTION:

The battery is a nickel metal hydride battery. To avoid possible

explosion, do not burn. Exchange only with the IBM-approved part.

Recycle or discard the battery as instructed by local regulations. In

the United States, IBM has a process for the collection of this

battery. For information, call 1-800-426-4333. Have the IBM part

number for the battery unit available when you call. (C007)

Protecting against Electrostatic Discharge – Static electricity can

harm delicate components inside your computer. To prevent static

damage, discharge static electricity from your body before you touch any

of your computer’s electronic components, such as the microprocessor.

You can do so by touching an unpainted metal surface, such as the

metal around the card-slot openings at the back of the computer.

As you continue to work inside the computer, periodically touch an

unpainted metal surface to remove any static charge your body may

have accumulated. In addition to the preceding precautions, you can also

take the following steps to prevent damage from electrostatic discharge:

•When unpacking a static-sensitive component from its shipping

carton, do not remove the component from the antistatic packing

material until you are ready to install the component in your

computer. Just before unwrapping the antistatic packaging, be sure

to discharge static electricity from your body.

•When transporting a sensitive component, first place it in an

antistatic container or packaging.

•Handle all sensitive components in a static-safe area. If possible, use

antistatic floor pads and workbench pads.

ServeRAID-MR10i User’s Guide ix

Contents

Chapter 1

Overview

1.1 Overview 1-1

1.2 ServeRAID-MR10i SAS/SATA Controller Description 1-3

1.2.1 Controller Limitations 1-3

1.3 General Description 1-3

1.4 Configuration Scenarios 1-5

1.4.1 Number of Physical Disks Supported 1-7

1.5 Benefits of the SAS Interface 1-7

1.5.1 PCI Express Architecture 1-8

1.5.2 Operating System Support 1-8

1.6 Summary of the ServeRAID-MR10i SAS/SATA Controller

Characteristics 1-9

1.6.1 SAS Features 1-10

1.6.2 SAS Array Limitations 1-10

1.6.3 SATA II Features 1-11

1.6.4 PCI Express Performance 1-12

1.6.5 Usability Features 1-12

1.6.6 Flexibility Features 1-12

1.6.7 Drive Roaming 1-13

1.6.8 Drive Migration 1-14

1.7 Hardware Specifications 1-15

1.8 Technical Support 1-16

Chapter 2

ServeRAID-MR10i SAS/SATA Controller Hardware Installation

2.1 Requirements 2-1

2.2 Quick Installation 2-2

2.3 Detailed Installation 2-2

xContents

2.4 SAS Device Cables 2-6

2.4.1 Connecting the ServeRAID-MR10i RAID Controller to

Physical Disks 2-8

2.5 Replacing a Failed Controller Containing Data in the IBBU 2-9

2.6 After Installing the ServeRAID-MR10i Controller 2-10

Chapter 3

ServeRAID-MR10i SAS/SATA Controller Characteristics

3.1 ServeRAID-MR10i SAS/SATA Controller 3-1

3.2 ServeRAID-MR10i Controller Characteristics 3-3

3.3 Technical Specifications 3-4

3.3.1 Storage Adapter Specifications 3-4

3.3.2 Array Performance Features 3-5

3.3.3 Fault Tolerance 3-6

3.3.4 Electrical Characteristics 3-6

3.3.5 Operating and Non-operating Conditions 3-7

3.3.6 Safety Characteristics 3-8

Chapter 4

Introduction to the Intelligent Backup Battery Unit

Chapter 5

Installing the Intelligent Battery Backup Unit

5.1 Installing the iBBU on the ServeRAID-MR10i Controller 5-1

Chapter 6

Using the Intelligent Battery Backup Unit

6.1 Monitoring the iBBU with the MegaRAID Configuration Utilities

6-2

6.1.1 Monitoring the iBBU with the WebBIOS Configuration

Utility 6-2

6.1.2 Monitoring the iBBU with the MegaCLI Utility 6-5

Display BBU Information 6-5

Display BBU Status Information 6-5

Display BBU Capacity 6-6

Display BBU Design Parameters 6-7

Display Current BBU Properties 6-7

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