IBM ServeRAID M5025 User manual

ServeRAID M5025

SAS/SATA Controller

USER’S

GUIDE

September 2011

Second Edition (September 2011)

US Government Users Restricted Rights – Use, duplication or disclosure

restricted by GSA ADP Schedule Contract with IBM Corp.

ServeRAID M5025 SAS/SATA Controller User’s Guide iii

Preface

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

M5025 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-MR controller. In addition, it explains how to install the

ServeRAID M5000 Series Advanced Feature Key on the ServeRAID

M5025 SAS/SATA controller.

For details on how to configure the storage adapter, 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 the reader is familiar with RAID controllers

and related support devices. The people who benefit from this book are:

Engineers who are designing a system that will include the

ServeRAID M5025 SAS/SATA controller

Anyone installing the ServeRAID M5025 SAS/SATA controller in a

RAID system

End users who need to install the iBBU product on the ServeRAID

M5025 SAS/SATA controller

Engineers and managers who are evaluating BBU products for

possible use with ServeRAID-MR controllers

Note: The ServeRAID M5000 Series Battery Assembly is pre-

installed on the ServeRAID M5025 SAS/SATA controller.

iv Preface

End users who need to install a ServeRAID M5000 Series Advanced

Feature Key on a ServeRAID M5025 SAS/SATA controller

Organization

This document has the following chapters and appendices:

Chapter 1, Overview, provides a general overview of the ServeRAID

M5025 SAS/SATA controller.

Chapter 2, ServeRAID M5025 SAS/SATA Controller

Hardware Installation, describes the procedures for installing the

ServeRAID M5025 SAS/SATA controller.

Chapter 3, ServeRAID M5025 SAS/SATA Controller

Characteristics, provides the characteristics and technical

specifications for the ServeRAID M5025 SAS/SATA controller.

Chapter 4, Introduction to the Intelligent Battery Backup 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.

Chapter 8, Installing a ServeRAID M5000 Series Advanced

Feature Key, describes how to install the ServeRAID M5000 Series

Advanced Feature Key.

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.

Preface v

Related Publications

ServeRAID-MR Device Driver Installation User’s Guide

IBM Document Number: 46M1382

This document explains how to install the ServeRAID-MR device driver

for your operating system. The information in this document is

independent of the back-end bus and applies to the ServeRAID-MR

controllers.

ServeRAID-MR Software User’s Guide

IBM Document Number: 46M1381

This document explains how to use the MegaRAID Storage Manager,

WebBIOS, and Command Line Interface (CLI) utilities to configure,

monitor, and maintain the ServeRAID-MR 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 Documentation 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.

vi Preface

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.

Revision History

IBM Customer Support

Web site:

http://www.ibm.com/support/us/en/

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 M5025 SAS/SATA controller

with UL-listed Information Technology Equipment (ITE)

products only.

Edition/Date Remarks

Second Edition

September 2011

Updated Chapter 6.

First Edition

August 2010

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 lithium ion battery and can present a fire or chemical burn

hazard if mistreated. Do not dissassemble, heat above 100 C (212 F), or

incinerate. To avoid possible explosion, do not burn. Keep away from

children. 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 M5025 SAS/SATA Controller User’s Guide ix

Contents

Chapter 1

Overview

1.1 Overview 1-1

1.2 ServeRAID M5025 SAS/SATA Controller Description and

Limitations 1-3

1.2.1 Controller Limitations 1-3

1.3 General Description 1-4

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 M5025 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 M5025 SAS/SATA Controller Hardware Installation

2.1 Requirements 2-1

2.2 Quick Installation 2-2

xContents

2.3 Detailed Installation 2-2

2.4 After Installing the Controller 2-6

2.5 Connecting the ServeRAID M5025 Controller to a Drive Enclosure

2-6

2.6 Replacing a Failed Controller Containing Data in the iBBU 2-7

Chapter 3

ServeRAID M5025 SAS/SATA Controller Characteristics

3.1 ServeRAID M5025 SAS/SATA Controller 3-1

3.1.1 Board Layout and Connector Information 3-1

3.2 ServeRAID M5025 SAS/SATA Controller Characteristics 3-3

3.3 Technical Specifications 3-3

3.3.1 Controller Specifications 3-4

3.3.2 Array Performance Features 3-5

3.3.3 Fault Tolerance 3-5

3.3.4 Power Supply Requirements for the ServeRAID M5025

SAS/SATA Controller 3-6

3.3.5 Operating and Non-operating Conditions 3-7

3.3.6 Safety Characteristics 3-7

Chapter 4

Introduction to the Intelligent Battery Backup Unit

Chapter 5

Installing the Intelligent Battery Backup Unit

5.1 Installing the iBBU on the ServeRAID M5025 Controller 5-2

5.1.1 Connecting the iBBU Remotely to the ServeRAID M5025

SAS/SATA Controller 5-5

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

Setting the Learn Delay Interval 6-5

Setting the Learn Mode 6-6

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