Spectra Logic 10000 User Manual Page 30
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Chapter 3. Preparing the Library
30
Dual Bus Mode
If you want to use two hosts, or if you have a library (either single-ended or
differential) with three or four installed drives and want the fastest transfer rate
possible, operate the library in either of these dual-bus configurations:
If the library is the last device on the SCSI bus, connect terminators to the SCSI output
connectors. If the library connects to another SCSI device, connect the SCSI cable from
the output of the library to the next SCSI device. Terminate the SCSI output of the final
device on the SCSI bus.
Note: It is possible to connect 8-bit (narrow) SCSI devices to the 16-bit
(wide) SCSI connectors on the library, as long as the library is the
first device after the host on the SCSI bus.
Adapters are available that terminate the upper eight bits of the
wide SCSI bus and interface 68-pin micro-SCSI connectors to 50-
pin SCSI connectors (see SCSI Cables and Terminators on page
119).
See The SCSI Bus on page 118 for details of SCSI bus configuration.
If you have decided to operate the library in dual-bus configuration with two hosts, see
Split-Bus Configuration on page 31.
Option Settings SCSI Cabling
If you have a
single-ended or
differential library and
want to use one host...
Set the rear panel Library SCSI
ID switch to a unique ID.
Set the SCSI Bus 2 ID setting to
to a unique ID.
Terminate SCSI Port 1 Out.
Attach Host A SCSI cable to SCSI Port 1 In.
Terminate SCSI Port 2 Out.
Attach Host A SCSI cable to SCSI Port 2 In.
The host must have two SCSI controller cards—one for each
input.
If you have a
single-ended or
differential library and
want to use two hosts
(dual logical library
operation)...
Set the rear panel Library SCSI
ID switch to a unique ID.
Set the SCSI Bus 2 ID setting to a
unique ID.
Configure Library 2 slots setting.
Terminate SCSI Port 1 Out.
Attach Host A SCSI cable to SCSI Port 1 In.
Logical Library 1 has exclusive rights to Drives 1 and 2 on SCSI
Port 1.
Terminate SCSI Port 2 Out.
Attach Host B SCSI cable to SCSI Port 2 In.
Logical Library 2 has exclusive rights to Drives 3 and 4 on SCSI
Port 2.
- P.N. 92844007 Revision C 1
- License Agreement 2
- Warnings and Cautions 3
- Rack Mounting 4
- Contents 5
- Index 129 8
- 1 Introduction 9
- SCSI Configuration 10
- Fibre Channel Configuration 10
- Library Components 11
- Library Menu Screens 12
- Chapter 1. Introduction 13
- Internal Components 14
- Storage Management Options 18
- 2 Preparing the Host System 21
- (SCSI Libraries Only) 22
- Determining SCSI ID Usage 22
- If You Need Assistance 23
- 3 Preparing the Library 25
- Air Quality 27
- Single Bus Mode 29
- Dual Bus Mode 30
- Split-Bus Configuration 31
- PARAMETERS SAVE, RESTART? 32
- Setting SCSI IDs 36
- Library SCSI ID 37
- Connecting the Serial Cable 40
- Connecting the AC Power 43
- 4 Configuring the Library 45
- Setting Library Parameters 47
- Library Emulation 49
- RS-232 Handshake 49
- SCSI Initiator 50
- SCSI Bus Mode 50
- Soft and Hard Addresses 53
- Emulate 1/2 54
- Emulate 3/4 54
- Performance Test 1: Power Up 55
- 5 Operating the Library 57
- Inserting Tapes 58
- Moving Tapes 59
- Removing Tapes 60
- Exchange Media 61
- Queued Unloads 61
- Queued Unload message 62
- button 64
- Barcodes Screen 65
- Upgrading Library Firmware 68
- Loading Library Firmware 69
- Forcing a Firmware Reload 70
- Upgrading Drive Firmware 71
- Resetting Drive Emulation 72
- Using Passwords 73
- Locking Screens 74
- Using the MCE Utility 77
- 6 Maintaining the Library 79
- Accessing Library Information 80
- Accessing Drive Information 81
- ECC Screens 83
- ECC Fault Check 83
- Replacing the Air Filter 84
- Changing Hosts 85
- Cleaning Drives 86
- Tape Drive Head Cleaning 87
- Handling Tapes 88
- Packaging 89
- Certified Media 91
- Bar Code Labels 91
- PackRack Magazine Shelf 91
- United States Office 92
- European Office 92
- Ordering Media 92
- 7 Troubleshooting 93
- Library Operation Problems 94
- Replacing a Fuse: 95
- Library screens are locked 97
- Drive fault displayed 98
- Drive alert displayed 99
- System fault displayed 99
- System Fault with Drive Fault 100
- Tape Drive Problems 101
- Tape stuck in drive 102
- Bar Code Problems 103
- Chapter 7. Troubleshooting 104
- Important Information 105
- Spectra Logic Repair Policy 106
- Advanced Exchange Service 108
- Contacting Technical Support 109
- Professional Services 110
- Library Specifications 111
- Sony AME Media 116
- Approved Media 116
- Capacity 116
- Bar Code Specifications 117
- The SCSI Bus 118
- SCSI Cables and Terminators 119
- Standards 125
- BMPT Vfg 243/1991 126
- EU Declaration of Conformity 127
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