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LSI Series 518 manual 36

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2-12	Introduction to RAID

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

Contents

HARDWARE GUIDE Page Page Page Preface Page Page Page Page Page Page Page Page Page Contents Page Page Page Page Page Overview 1.1SCSI Channels 1.2NVRAM and Flash ROM 1.3SCSI Connectors 1.4Single-Endedand Differential SCSI Buses 1.5Maximum Cable Length for SCSI Standards 1.6SCSI Bus Widths and Maximum Throughput 1.7Documentation 1.7.1MegaRAID SCSI 320-2Hardware Guide 1.7.2MegaRAID Conﬁguration Software Guide 1.7.3MegaRAID Operating System Driver Installation Guide Introduction to RAID 2.1RAID Beneﬁts 2.2MegaRAID SCSI 320-2– Host-BasedRAID Solution 2.3RAID Overview 2.3.3Consistency Check 2.3.4Fault Tolerance 2.3.5Disk Striping Page 2.3.6Disk Mirroring 2.3.7Disk Spanning 2.3.8Parity 2.3.9Hot Spares 2.3.10 Hot Swapping 2.3.11 Disk Rebuild 2.3.12 Logical Drive States 2.3.13 SCSI Drive States 2.3.14 Disk Array Types 2.3.15 Enclosure Management Page RAID Levels 3.1Selecting a RAID Level 3.2RAID 3.3RAID 3.4RAID Page 3.5RAID 3.6RAID Page Features Page 4.1SMART Technology 4.2Conﬁguration on Disk 4.3Conﬁguration Features Page 4.4Array Performance Features 4.5RAID Management Features 4.6Fault Tolerance Features 4.7Software Utilities 4.8Operating System Software Drivers 4.9MegaRAID SCSI 320-2Speciﬁcations 4.10 MegaRAID Components 4.10.2 Cache Memory 4.10.3 MegaRAID BIOS 4.10.4 Onboard Speaker 4.10.5 Serial Port 4.10.6 SCSI Bus 4.10.7 SCSI Connectors 4.10.8SCSI Termination 4.10.9 SCSI Firmware 4.11 RAID Management 4.12 Compatibility Conﬁguring Physical Drives Arrays, and Logical Drives 5.1Conﬁguring SCSI Physical Drives 5.1.2Basic Conﬁguration Rules 5.1.3Current Physical Device Conﬁguration Page 5.1.4Logical Drive Conﬁguration Page 5.1.5Physical Device Layout Page Page 5.2Conﬁguring Arrays 5.3Creating Logical Drives Page 5.3.2Assigning RAID Levels 5.4Conﬁguring Logical Drives 5.5Planning the Array Conﬁguration Page Page Hardware Installation 6.1Hardware Requirements 6.2Installation Steps 6.2.1Step 1: Unpack 6.2.2Step 2: Power Down 6.2.3Step 3: Install Cache Memory 6.2.4Step 4: Check Jumper Settings Page Page 6.2.5Step 5: Set Termination Page Page Page Page 6.2.6Step 6 Set SCSI Terminator Power 6.2.7Step 7: Install Battery Pack (Optional) Page Page 6.2.8Step 8: Install MegaRAID SCSI 6.2.9Step 9: Connect SCSI Devices 6.2.10Step 10: Set Target IDs Page 6.2.11 Step 11: Power Up 6.2.12 Step 12: Run the MegaRAID BIOS Conﬁguration Utility 6.3Summary Page Installing and Conﬁguring Clusters 7.1Overview 7.2Beneﬁts of Clusters 7.3Installation and Conﬁguration Driver Installation Instructions under Microsoft Windows 2000 Advanced Server 7.3.2Network Requirements 7.4Cluster Installation Page 7.4.2Installing Microsoft Windows 7.4.3Setting Up Networks 7.4.4Conﬁguring the Cluster Node Network Adapter 7.4.5Setting Up the First Node in Your Cluster 7.4.6Conﬁguring the Public Network Adapter 7.4.7Verifying Connectivity and Name Resolution 7.4.8Verifying Domain Membership 7.4.9Setting Up a Cluster User Account 7.4.10Setting Up Shared Disks 7.4.11 Conﬁguring Shared Disks 7.4.12 Assigning Drive Letters 7.4.13Verifying Disk Access and Functionality 7.4.14 Installing Cluster Service Software Page 7.4.15Conﬁguring Cluster Disks Page Page Page Page Page Page 7.4.16Validating the Cluster Installation 7.4.17Conﬁguring the Second Node 7.4.18Verifying Installation 7.5Installing SCSI Drives 7.5.1Conﬁguring the SCSI Devices 7.5.2Terminating the Shared SCSI Bus Troubleshooting 8.1General Troubleshooting Page 8.2BIOS Boot Error Messages Page 8.3Other BIOS Error Messages 8.4Other Potential Problems Page Page Page Appendix A SCSI Cables and Connectors A.1 68-Pin High-DensitySCSI Internal Connector A.1.1 Cable Assembly for Internal Wide SCSI Devices A.1.2 Connecting Internal and External Wide Devices A.1.3 Converting Internal Wide to Internal Non-Wide(Type 2) A.1.4 Converting Internal Wide to Internal Non-Wide(Type 30) A.1.5 Converting from Internal Wide to Internal Non-Wide(Type 3) A.2 SCSI Cable and Connector Vendors A.3 High-Density 68-PinConnector Pinout for SE SCSI Page A.4 68-PinConnector Pinout for LVD SCSI Page Appendix B Audible Warnings Page Appendix C Glossary Page Page Page Page Page Page Page Page Page Index Page Page Page Customer Feedback

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