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LSI Series 520 Table, 6.2.3.1J2 Dirty Cache LED, Jumpers for the MegaRAID SCSI, Figure 6.1 MegaRAID SCSI 320-1Controller Layout

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Table 6.2	Jumpers for the MegaRAID SCSI 320-1

Item	Description	Type

J8	Battery backup unit (BBU)	40-pin header
	daughter card connector

J9	SCSI bus termination power	2-pin header

J10	SCSI bus termination enable	3-pin header
	control

Figure 6.1 shows the location of these items on the MegaRAID SCSI 320-1 controller.

Figure 6.1 MegaRAID SCSI 320-1 Controller Layout

Internal High-Density

J5 J6

68-pin SCSI Connector

Optional Backup

Battery Board

Connector

J10

External Very High-Density

68-pin SCSI Connector

6.2.3.1J2 Dirty Cache LED

J2 is a two-pin header for the dirty cache LED. This can be connected to an LED on the computer enclosure. The LED will be lit when data in the cache has not yet been written to the storage device.

6-4Hardware Installation

Contents

HARDWARE GUIDE Page FCC Regulatory Statement Warning: Disclaimer – Page Preface Page MegaRAID Problem Report Form (Cont.) Logical Drive Configuration Logical Drive Configuration (Cont.) Physical Device Layout Physical Device Layout (Cont.) Page Page Contents Page Configuring Physical Drives, Arrays, and Logical Drives Appendix A SCSI Cables and Connectors Appendix B Appendix C Index Customer Feedback Page Overview 1.1Features 1.2SCSI Channel 1.3NVRAM and Flash ROM 1.4SCSI Connectors 1.5Single-Endedand Differential SCSI Buses 1.6Maximum Cable Length for SCSI Standards 1.7SCSI Bus Widths and Maximum Throughput 1.8Documentation 1.8.1MegaRAID SCSI 320-1Hardware Guide 1.8.2MegaRAID Configuration Software Guide 1.8.3MegaRAID Operating System Driver Installation Guide Page Introduction to RAID 2.1RAID Benefits 2.1.1Improved I/O 2.1.2Increased Reliability 2.2MegaRAID SCSI 320-1– Host-BasedRAID Solution 2.2.1Host-BasedRAID 2.2.2SCSI-to-SCSIExternal RAID 2.3RAID Overview 2.3.1Physical Array 2.3.2Logical Drive 2.3.3Consistency Check 2.3.4Fault Tolerance 2.3.5Disk Striping Figure 2.1 Disk Striping 2.3.5.1Stripe Width 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 Figure 3.3 RAID 5 Array 3.5RAID 3.6RAID Figure 3.5 RAID 50 Array Features 4.1SMART Technology 4.2Configuration on Disk 4.3Configuration Features 4.4Array Performance Features 4.5RAID Management Features 4.6Fault Tolerance Features 4.7Software Utilities 4.8Operating System Software Drivers 4.9MegaRAID SCSI 320-1Specifications 4.9.1PCI Bridge/CPU 4.9.2Cache Memory 4.9.3MegaRAID BIOS 4.9.4Serial Port 4.9.5SCSI Bus 4.9.6SCSI Connectors 4.9.7SCSI Termination 4.9.8SCSI Firmware 4.10 RAID Management 4.10.1MegaRAID BIOS Configuration Utility 4.10.2 WebBIOS Configuration Utility 4.10.3 Power Console Plus 4.10.4 MegaRAID Manager 4.11 Compatibility 4.11.1Server Management 4.11.2 SCSI Device Compatibility 4.11.3 Software Page Configuring Physical Drives Arrays, and Logical Drives 5.1Configuring SCSI Physical Drives 5.1.1Basic Configuration Rules 5.1.2Current Physical Device Configuration 5.1.3Logical Drive Configuration Page 5.1.4Physical Device Layout Table 5.3 Physical Device Layout (Cont.) Page 5.2Configuring Arrays 5.2.1Arranging Arrays 5.2.2Creating Hot Spares 5.3Creating Logical Drives 5.3.1Configuration Strategies Capacity for RAID Levels (Cont.) 5.3.1.2Maximizing Drive Availability Fault Tolerance for RAID Levels 5.3.1.3Maximizing Drive Performance 5.3.2Assigning RAID Levels 5.4Configuring Logical Drives 5.4.1Optimizing Data Storage 5.5Planning the Array Configuration 5.5.1Using the Array Configuration Planner Table 5.9 Array Configuration Planner Array Configuration Planner (Cont.) Page Hardware Installation 6.1Hardware Requirements 6.2Installation Steps 6.2.1Step 1: Unpack 6.2.2Step 2: Power Down 6.2.3Step 3: Check Jumper Settings Figure 6.1 MegaRAID SCSI 320-1Controller Layout 6.2.3.1J2 Dirty Cache LED 6.2.3.2J3 Clear EPROM 6.2.3.3J4 BIOS Enable Table 6.3 Pinout for J4 BIOS Enable 6.2.3.4J5 SCSI Activity LED 6.2.3.5J6 Serial Port 6.2.4Step 4: Set Termination 6.2.4.2Selecting a Terminator 6.2.4.3Terminating Internal SCSI Disk Arrays Figure 6.2 Termination of Internal SCSI Disk Arrays 6.2.4.4Terminating External Disk Arrays Figure 6.3 Terminating External Disk Arrays 6.2.4.5Terminating Internal and External Disk Arrays Figure 6.4 Terminating Internal and External Disk Arrays 6.2.4.6Connecting Non-DiskSCSI Devices Caution: Figure 6.5 Connecting Non-DiskSCSI Devices 6.2.5Step 5: Install MegaRAID SCSI 6.2.6Step 6: Connect SCSI Devices 6.2.7Step 7: Set Target IDs Important: 6.2.7.1Example of MegaRAID SCSI 320-1ID Mapping Example of Mapping for SCSI 6.2.8Step 8: Power Up 6.2.9Step 9: Run the MegaRAID BIOS Configuration Utility 6.2.10 Step 10: Install the Operating System Driver 6.3Summary Troubleshooting 7.1General Troubleshooting General Problems and Suggested Solutions (Cont.) 7.2BIOS Boot Error Messages 7.3Other BIOS Error Messages 7.4Other Potential Problems Other Potential Problems (Cont.) 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 Table A.4 68-PinConnector Pinout for LVD SCSI (Cont.) Appendix B Audible Warnings Page Appendix C Glossary Channel Consistency Check Cold Swap Data Transfer Disk Subsystem Double Buffering Failed Drive Fast SCSI Firmware Host Computer Hot Spare Hot Swapping I/O Driver Initialization Mbyte Multi-threaded Operating Environment Parity Partition RAID RAID Migration Read-Ahead Ready State Rebuild Redundancy Replacement Unit SAF-TE SCSI Service Provider SNMP Spanning Spare Striping Ultra320 Virtual Sizing Wide SCSI Page Index Page Page Page Customer Feedback Reader’s Comments