Logic MegaRAID Express User's Guide
Table Of Contents
- 1 Overview
- 2 Introduction to RAID
- 3 RAID Levels
- 4 Features
- 5 Configuring MegaRAID Express 500
- 6 Hardware Installation
- Checklist
- Installation Steps
- Summary
- 7 Cluster Installation and Configuration
- Software Requirements
- Hardware Requirements
- Installation and Configuration
- Driver Installation Instructions under Microsoft Windows 2000 Advanced Server
- Network Requirements
- Shared Disk Requirements
- Cluster Installation
- Installing the Windows 2000 Operating System
- Setting Up Networks
- Configuring the Cluster Node Network Adapter
- Configuring the Public Network Adapter
- Verifying Connectivity and Name Resolution
- Verifying Domain Membership
- Setting Up a Cluster User Account
- Setting Up Shared Disks
- Configuring Shared Disks
- Assigning Drive Letters
- Verifying Disk Access and Functionality
- Cluster Service Software Installation
- Configuring Cluster Disks
- Validating the Cluster Installation
- Configuring the Second Node
- Verify Installation
- SCSI Drive Installations
- Configuring the SCSI Devices
- Terminating the Shared SCSI Bus
- 8 Troubleshooting
- A SCSI Cables and Connectors
- B Audible Warnings
- C Cluster Configuration with a Crossover Cable
- Glossary
- Index

Chapter 4 Features
29
Hardware Architecture Features
The hardware architecture features include:
Specification Feature
Processor Intel i960RM 100
SCSI Controller Q Logic ISP10160A
Size of Flash ROM 1 MB
Amount of NVRAM 32 KB
Hardware XOR assistance Yes
Direct I/O Yes
Removable cache memory module Yes
SCSI bus termination Active, single-ended or LVD
Double-sided DIMMs Yes
Auxiliary TermPWR source No
Direct I/O bandwidth 132 MB/s
Array Performance Features
The array performance features include:
Specification Feature
Host data transfer rate 132 MB/s
Drive data transfer rate 160 MB/s
Maximum Scatter/Gathers 26 elements
Maximum size of I/O requests 6.4 MB in 64 KB stripes
Maximum Queue Tags per drive 211
Stripe Sizes 2 KB, 4 KB, 8 KB, 16 KB, 32 KB, 64
KB, or 128 KB
Maximum number of concurrent
commands
255