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HARDWARE
GUIDE
®
MegaRAID SCSI 320-0
Zero-Channel RAID
Controller
September 2002
®
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This document contains proprietary information of LSI Logic Corporation. The information contained herein is not to be used by or disclosed to third parties without the express written permission of an officer of LSI Logic Corporation. LSI Logic products are not intended for use in life-support appliances, devices, or systems. Use of any LSI Logic product in such applications without written consent of the appropriate LSI Logic officer is prohibited. Document DB15-000258-00, First Edition
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FCC Regulatory Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's author- ity to operate the equipment. This equipment has bee
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iv Copyright © 2002 by LSI Logic Corporation. All rights reserved.
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Preface This book is the primary reference and Hardware Guide for the LSI Logic ® MegaRAID SCSI 320-0 Controller. It contains instructions for installing the MegaRAID controller and for configuring RAID arrays. It also contains background information on RAID. The MegaRAID SCSI 320-0 controller supports single-ended and low- voltage differential (LVD) SCSI devices on an Ultra320 and Wide SCSI channel with data transfer rates up to 320 Mbytes/s. Audience This document is intended for people
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Chapter 6, Hardware Installation, explains how to install the MegaRAID SCSI 320-0 controller. Chapter 7, Troubleshooting, provides troubleshooting information for the MegaRAID SCSI 320-0 controller. Appendix A, Audible Warnings, explains the meaning of the warning tones generated by the MegaRAID SCSI 320-0 RAID controller. Technical Support If you need help installing, configuring, or running the MegaRAID SCSI 320-0 Controller, you may be able to find the information you need at the
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MegaRAID Problem Report Form (Cont.) MegaRAID CPU Type/Speed: Driver Ver.: Network Card: System Memory: Other disk controllers Other adapter cards installed: Installed: Description of problem: Steps necessary to re-create problem: 1. 2. 3. 4. Logical Drive Configuration Use this form to record the configuration details for your logical drives. Logical Drive Configuration Logical RAID Stripe Logical Drive Cache Read Write # of Physical Drive Level Size Size Policy Policy Policy Drives LD0 LD1
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Logical Drive Configuration (Cont.) Logical RAID Stripe Logical Drive Cache Read Write # of Physical Drive Level Size Size Policy Policy Policy Drives LD9 LD10 LD11 LD12 LD13 LD14 LD15 LD16 LD17 LD18 LD19 LD20 LD21 LD22 LD23 LD24 LD25 LD26 LD27 LD28 LD29 LD30 LD31 LD32 LD33 viii Preface Copyright © 2002 by LSI Logic Corporation. All rights reserved.
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Logical Drive Configuration (Cont.) Logical RAID Stripe Logical Drive Cache Read Write # of Physical Drive Level Size Size Policy Policy Policy Drives LD34 LD35 LD36 LD37 LD38 LD39 Physical Device Layout Use this form to record the physical device layout. Physical Device Layout Channel 0 Channel 1 Target ID Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Target ID Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Tar
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Physical Device Layout (Cont.) Channel 0 Channel 1 Manufacturer/Model number Firmware level Target ID Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Target ID Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Target ID Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Target ID Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Target ID Device
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Physical Device Layout (Cont.) Channel 0 Channel 1 Manufacturer/Model number Firmware level Target ID Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Target ID Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Target ID Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Target ID Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Target ID Device
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Physical Device Layout (Cont.) Channel 0 Channel 1 Manufacturer/Model number Firmware level Target ID Device type Logical drive number/Drive number Manufacturer/Model number Firmware level Target ID Device type Logical drive number/Drive number Manufacturer/Model number Firmware level xii Preface Copyright © 2002 by LSI Logic Corporation. All rights reserved.
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Contents Chapter 1 Overview 1.1 Features 1-2 1.2 NVRAM and Flash ROM 1-2 1.3 Single-Ended and Differential SCSI Buses 1-2 1.4 Maximum Cable Length for SCSI Standards 1-3 1.5 SCSI Bus Widths and Maximum Throughput 1-4 1.6 Documentation 1-4 1.6.1 MegaRAID SCSI 320-0 ZCR Hardware Guide 1-4 1.6.2 MegaRAID Configuration Software Guide 1-4 1.6.3 MegaRAID Operating System Driver Installation Guide 1-5 Chapter 2 Introduction to RAID 2.1 RAID Benefits 2-1 2.1.1 Improved I/O 2-1 2.1.2 Increased Reliabi
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2.3.8 Parity 2-8 2.3.9 Hot Spares 2-8 2.3.10 Hot Swapping 2-9 2.3.11 Disk Rebuild 2-9 2.3.12 Logical Drive States 2-10 2.3.13 SCSI Drive States 2-10 2.3.14 Disk Array Types 2-11 2.3.15 Enclosure Management 2-11 Chapter 3 RAID Levels 3.1 Selecting a RAID Level 3-1 3.2 RAID 0 3-2 3.3 RAID 1 3-3 3.4 RAID 5 3-4 3.5 RAID 10 3-6 3.6 RAID 50 3-7 Chapter 4 Features 4.1 SMART Technology 4-1 4.2 Configuration on Disk 4-2 4.3 Configuration Features 4-2 4.4 Array Performance Features 4-3 4.5 RAID Manageme
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4.10.4 MegaRAID Manager 4-8 4.11 Compatibility 4-9 4.11.1 Server Management 4-9 4.11.2 SCSI Device Compatibility 4-9 4.11.3 Software 4-9 Chapter 5 Configuring Physical Drives, Arrays, and Logical Drives 5.1 Configuring SCSI Physical Drives 5-1 5.1.1 Basic Configuration Rules 5-1 5.1.2 Current Physical Device Configuration 5-2 5.1.3 Logical Drive Configuration 5-3 5.1.4 Physical Device Layout 5-5 5.2 Configuring Arrays 5-8 5.2.1 Arranging Arrays 5-8 5.2.2 Creating Hot Spares 5-8 5.3 Creating Lo
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Chapter 7 Troubleshooting 7.1 General Troubleshooting 7-1 7.2 BIOS Boot Error Messages 7-3 7.3 Other BIOS Error Messages 7-4 7.4 Other Potential Problems 7-5 Appendix A Audible Warnings Appendix B Glossary Index Customer Feedback xvi Contents Copyright © 2002 by LSI Logic Corporation. All rights reserved.
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Chapter 1 Overview ® This chapter provides an overview of the MegaRAID SCSI 320-0 and basic SCSI features. It contains the following sections: Section 1.1, “Features” Section 1.2, “NVRAM and Flash ROM” Section 1.3, “Single-Ended and Differential SCSI Buses” Section 1.4, “Maximum Cable Length for SCSI Standards” Section 1.5, “SCSI Bus Widths and Maximum Throughput” Section 1.6, “Documentation” The MegaRAID SCSI 320-0 zero-channel RAID (ZCR) controller is a high-performance intelli
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1.1 Features MegaRAID SCSI 320-0 features include: Provides a high performance I/O migration path while preserving existing PCI-SCSI software. Performs SCSI data transfers up to 320 Mbytes/s. Performs synchronous operation on a wide low-voltage differential (LVD) SCSI bus. Allows up to 15 LVD SCSI devices on the wide bus. Includes an Intel GC80302 integrated I/O processor that performs RAID calculations and routing. Supports 32 to 128 Mbytes of SDRAM on-board cache memory used
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1.4 Maximum Cable Length for SCSI Standards Table 1.1 lists the maximum SCSI cable length and number of disk drives that you can use, depending on the SCSI speeds. Table 1.1 Maximum Cable Length for SCSI Standards Single Ended Low-Voltage Maximum # of Standard SCSI Differential SCSI Drives Ultra SCSI 1.5 m 12 m 7 Ultra SCSI 3 m 12 m 3 Wide Ultra SCSI 12 m 15 Wide Ultra SCSI 1.5 m 12 m 7 Wide Ultra SCSI 3 m 12 m 3 Ultra 2 SCSI 25 m 1 Ultra 2 SCSI 12 m 7 Wide Ultra 2 SCSI 25 m 1 Wide Ultra 2 S
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1.5 SCSI Bus Widths and Maximum Throughput Table 1.2 lists the SCSI bus widths and maximum throughput, based on the SCSI speeds. Table 1.2 SCSI Bus Widths and Maximum Throughput SCSI Standard SCSI Bus Width SCSI Throughput Fast Wide SCSI 16 bits 20 Mbytes/s Wide Ultra SCSI 16 bits 40 Mbytes/s Wide Ultra 2 SCSI 16 bits 80 Mbytes/s Wide Ultra 160 SCSI 16 bits 160 Mbytes/s Ultra 320 SCSI 16 bits 320 Mbytes/s 1.6 Documentation The MegaRAID SCSI 320-0 documentation set includes: The MegaRAID SCS
