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 Reliability

2-2

2.2

MegaRAID SCSI 320-0 – Host-Based RAID Solution

2-2

 

2.2.1

Host-Based RAID

2-2

 

2.2.2

SCSI-to-SCSI External RAID

2-3

2.3

RAID Overview

2-3

 

2.3.1

Physical Array

2-3

 

2.3.2

Logical Drive

2-3

 

2.3.3

Consistency Check

2-4

 

2.3.4

Fault Tolerance

2-4

 

2.3.5

Disk Striping

2-4

 

2.3.6

Disk Mirroring

2-6

 

2.3.7

Disk Spanning

2-7

MegaRAID SCSI 320-0 Hardware Guide

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Copyright © 2002 by LSI Logic Corporation. All rights reserved.