LSI MegaRAID SCSI 320-2 RAID Controller Series 518 User Manual Page 80
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6-8 Hardware Installation
Copyright © 2002 by LSI Logic Corporation. All rights reserved.
6.2.4.6 J17/J18 SCSI Bus Termination Power
J17 and J18 are 2-pin jumpers that control the termination power setting
for channel 0 and channel 1, respectively. Leave both jumpers at the
default setting (jumper installed on pins 1 and 2) to allow the PCI bus to
provide termination power. (When the jumpers are removed, the SCSI
bus provides termination power.)
6.2.5 Step 5: Set Termination
Each MegaRAID SCSI channel can be individually configured for
termination enable mode by setting the J4 and J5 jumpers. You must
terminate the SCSI bus properly. Set termination at both ends of the
SCSI cable. The SCSI bus is an electrical transmission line and must be
terminated properly to minimize reflections and losses.
For a disk array, set SCSI bus termination so that removing or adding a
SCSI device does not disturb termination. An easy way to do this is to
connect the card to one end of the SCSI cable and to connect a
terminator module at the other end of the cable. The connectors between
the two ends can connect SCSI devices. Disable termination on the SCSI
devices. See the manual for each SCSI device to disable termination.
6.2.5.1 SCSI Termination
You can let the card automatically provide SCSI termination at one end
of the SCSI bus. You can terminate the other end of the SCSI bus by
attaching an external SCSI terminator module to the end of the cable or
by attaching a SCSI device that internally terminates the SCSI bus at the
end of the SCSI channel.
Use standard external SCSI terminators on a SCSI channel operating at
10 Mbytes/s or higher synchronous data transfer.
6.2.5.2 Terminating Internal SCSI Disk Arrays
Set the termination so that SCSI termination and termination power are
intact when any hard drive is removed from a SCSI channel, as shown
in Figure 6.3. Also, jumpers J4 and J5 should always be set to allow the
termination to be controlled by software. (See Section 6.2.4.3, “J4/J5
Termination Enable,” page 6-6.)
- MegaRAID 1
- SCSI 320-2 1
- RAID Controller 1
- HARDWARE 1
- FCC Regulatory Statement 3
- Logical Drive Configuration 8
- Physical Device Layout 10
- Contents 15
- Contents xvii 17
- Contents xix 19
- Chapter 1 21
- Overview 21
- 1.2 NVRAM and Flash ROM 22
- 1.3 SCSI Connectors 22
- 1.7 Documentation 23
- • MegaRAID Manager 24
- • Power Console Plus 24
- Chapter 2 25
- Introduction to RAID 25
- 2.1.2 Increased Reliability 26
- 2.2.1 Host-Based RAID 26
- 2.3 RAID Overview 27
- 2.3.3 Consistency Check 28
- 2.3.4 Fault Tolerance 28
- 2.3.5 Disk Striping 28
- RAID Overview 2-5 29
- MegaRAID Controller 29
- 2.3.6 Disk Mirroring 30
- 2.3.7 Disk Spanning 31
- 2.3.8 Parity 32
- 2.3.9 Hot Spares 32
- 2.3.10 Hot Swapping 33
- 2.3.11 Disk Rebuild 33
- 2.3.12 Logical Drive States 34
- 2.3.13 SCSI Drive States 34
- 2.3.14 Disk Array Types 35
- 2.3.15 Enclosure Management 35
- 2-12 Introduction to RAID 36
- Chapter 3 37
- RAID Levels 37
- 3.2 RAID 0 38
- 3.3 RAID 1 39
- 3.4 RAID 5 40
- Figure 3.3 RAID 5 Array 41
- 3.5 RAID 10 42
- 3.6 RAID 50 43
- Figure 3.5 RAID 50 Array 44
- Chapter 4 45
- Features 45
- 4-2 Features 46
- 4.1 SMART Technology 47
- 4.2 Configuration on Disk 47
- 4.3 Configuration Features 47
- 4.5 RAID Management Features 49
- 4.6 Fault Tolerance Features 50
- 4.7 Software Utilities 50
- 4.10 MegaRAID Components 52
- 4.10.2 Cache Memory 53
- 4.10.3 MegaRAID BIOS 53
- 4.10.4 Onboard Speaker 53
- 4.10.5 Serial Port 53
- 4.10.6 SCSI Bus 54
- 4.10.7 SCSI Connectors 54
- 4.10.8 SCSI Termination 54
- 4.10.9 SCSI Firmware 54
- 4.11 RAID Management 55
- 4.12 Compatibility 56
- Chapter 5 57
- Configuring Physical Drives 57
- Arrays, and Logical Drives 57
- 5.1.5 Physical Device Layout 62
- 5.2 Configuring Arrays 65
- 5.3 Creating Logical Drives 66
- 5.3.2 Assigning RAID Levels 68
- 5.4 Configuring Logical Drives 69
- Chapter 6 73
- Hardware Installation 73
- 6.2 Installation Steps 74
- 6.2.1 Step 1: Unpack 75
- 6.2.2 Step 2: Power Down 75
- 6-4 Hardware Installation 76
- 6-6 Hardware Installation 78
- 6.2.5 Step 5: Set Termination 80
- Installation Steps 6-9 81
- 6-10 Hardware Installation 82
- Installation Steps 6-11 83
- • Tape drive set to SCSI ID 2 84
- Installation Steps 6-13 85
- Installation Steps 6-15 87
- 6-16 Hardware Installation 88
- Installation Steps 6-17 89
- 6-18 Hardware Installation 90
- 6.2.11 Step 11: Power Up 92
- 6.3 Summary 93
- 6-22 Hardware Installation 94
- Chapter 7 95
- Installing and Configuring 95
- Clusters 95
- 7.2 Benefits of Clusters 96
- Advanced Server 97
- 7.3.2 Network Requirements 98
- 7.4 Cluster Installation 99
- • Set up networks 100
- • Set up disks 100
- 7.4.3 Setting Up Networks 101
- Cluster Installation 7-9 103
- Cluster Installation 7-13 107
- Cluster Installation 7-15 109
- Cluster Installation 7-17 111
- Cluster Installation 7-19 113
- Cluster Installation 7-21 115
- Cluster Installation 7-23 117
- Cluster Installation 7-25 119
- 7.4.18 Verifying Installation 120
- 7.5 Installing SCSI Drives 121
- Chapter 8 123
- Troubleshooting 123
- Firmware Initializing 124
- 8.2 BIOS Boot Error Messages 125
- 8.3 Other BIOS Error Messages 127
- 8.4 Other Potential Problems 127
- 8-8 Troubleshooting 130
- Appendix A 131
- SCSI Cables and 131
- Connectors 131
- SCSI devices is shown below 133
- Table A.1 SCSI Cable Vendors 136
- Appendix B 141
- Audible Warnings 141
- B-2 Audible Warnings 142
- Appendix C 143
- Glossary 143
- C-2 Glossary 144
- C-4 Glossary 146
- C-6 Glossary 148
- C-8 Glossary 150
- C-10 Glossary 152
- IX-2 Index 154
- Index IX-3 155
- IX-4 Index 156
- Customer Feedback 157
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