Hp Compaq StorageWorks TL881 DLT Mini-Library Manual de usuario Pagina 19
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Introduction 1-5
The Data Unit
The Data Unit (Figure 1–3) has a 16-cartridge magazine, a random access
robotic mechanism, and no tape drives. The module robotics, under control of
the Expansion Unit, moves cartridges between the Pass-Thru Mechanism and
any of the 16 cartridge storage locations.
SHR-1194
1
2
3
4
6
5
Figure 1-3. Data Unit Front View
16-Cartridge magazine Unlock /Open button
Magazine security lock Locked indicator
Control panel Power switch
SCSI Interface Configurations
Systems are equipped with DLT 20/40 drives use a narrow SCSI interface
using high-density 68-pin D-series connectors. The section on SCSI Interfaces
in Chapter 3, Installation, describes the available interface options.
SCSI Bus Performance Considerations
Data Transfer Rate
The data transfer rate of the MiniLibrary is dependent on the type and number
of drives and on the SCSI bus configuration. The bandwidth of the SCSI bus is
limited. As a result, the transfer rate of drives such as the DLT20/40 can be
limited by sharing a SCSI bus with another disc drive on tape. It is
recommended that the MiniLibrary be installed on its own controller for
optimum performance.
- TL881 MiniLibrary System 1
- First Edition (May 1999) 2
- Contents 3
- Chapter 2 4
- Chapter 3 4
- About This Guide v 5
- Appendix D 6
- Appendix E 6
- Appendix F 6
- List of Figures 7
- List of Tables 9
- About This Guide 11
- Symbols in Text 12
- Symbols on Equipment 12
- Rack Stability 13
- Getting Help 13
- Compaq Website 14
- Compaq Authorized Reseller 14
- Introduction 15
- The Expansion Unit 16
- Introduction 1-3 17
- The MiniLibrary Base Module 18
- The Data Unit 19
- SCSI Interface Configurations 19
- Physical Configuration 20
- System Expansion 20
- Features 21
- Tape Cartridge Magazines 22
- Integral Fan Cooling 22
- Library Robotics 22
- Bar Code Reader 22
- Introduction 1-9 23
- Expansion Unit interface Fan 24
- Advanced Design Features 25
- Table 1-1 26
- Media Life 26
- Operation 27
- Control Panel 28
- Troubleshooting 29
- Table 2-1 30
- MiniLibrary Base Module 31
- Power Switch 32
- Data Unit 33
- Figure 2-5 34
- Control panel Power switch 34
- LED Indicators 35
- Pushbuttons 35
- Starting the System 36
- SHR-1343 37
- SHR-1344 37
- SHR-1345 38
- SHR-1447 38
- Operation 2-13 39
- Operation 2-15 41
- SHR-1347 42
- SHR-1348 43
- SHR-1448 44
- SHR-1350 44
- SHR-1449 45
- SHR-1450 46
- SHR-1353 47
- SHR-1354 47
- SHR-1355 48
- SHR-1356 49
- SHR-1357 49
- SHR-1451 50
- SHR-1452 51
- SHR-1453 52
- SHR-1454 52
- SHR-1455 52
- Emergency Magazine Removal 53
- SHR-1363 54
- SHR-1364 55
- SHR-1365 57
- Tape Requirements 58
- Operation 2-33 59
- TL881 Components 60
- Storage Architecture 61
- Bus Length Limitations 63
- Conversion 64
- Magazine Security Lock 65
- Power Supply 66
- Operation 2-41 67
- Expansion unit interface Fan 68
- Installation 70
- Planning Your Installation 71
- Mechanical Installation 72
- SHR-1233 73
- Installation 3-5 74
- Preparing to Assemble the 75
- Pass-Thru Mechanism 75
- Installation 3-7 76
- SHR-1236 77
- Installing the Belt 78
- Table 3-1 79
- Installation 3-11 80
- Belt Gap visible Block 81
- Do not remove the door 82
- NOTE: See Appendix E 83
- MiniLibrary Base Modules 84
- Rack Slide Separation: 85
- rear of the cabinet 86
- rear rails 86
- Cabinet: 87
- Installation 3-19 88
- Identification: 89
- Metric Rackmount Procedure: 90
- Installation 3-23 92
- 15/16" 93
- Interfaces and Cabling 94
- Control Cables 95
- Power Cord 95
- SCSI Interfaces 96
- Terminators 98
- SHR-1246 99
- Configuration 100
- SHR-1473 101
- SHR-1331 101
- SHR-1332 101
- SHR-1333 102
- SHR-1334 102
- SHR-1335 102
- SHR-1336 102
- SHR-1446 103
- SHR-1457 105
- SHR-1340 105
- SHR-1341 106
- SHR-1342 107
- Installation 3-39 108
- Table 3-2 110
- Installation 3-43 112
- Transfer Rate: 113
- *Sync. 10 MB/sec 113
- Sync. 5 MB/sec 113
- Set Negotiation Mode 113
- Asynch. Only 113
- Table 3-3 114
- SHR-1458 117
- Configuration 4-3 118
- Set Data Format 119
- Set SCSI 119
- Set Library Mode 119
- Set Sequential Configuration 119
- Set Element Base 122
- Set Date 122
- Table 4-1 123
- Configuration 4-9 124
- Configuration 4-11 126
- Table 4-2 127
- Table 4-3 128
- Configuration 4-15 130
- Regular Maintenance 131
- Cleaning Cartridge 132
- SHR-1366 133
- SHR-1463 133
- SHR-1464 134
- Regular Maintenance 5-5 135
- Chapter 136
- Error Recovery 137
- TROUBLESHOOTING 138
- AND ERROR RECOVERY 138
- Error Recovery Procedures 139
- Table 6-1 139
- Fault Symptom Codes (FSC) 140
- Table 6-2 141
- Fault Symptom Codes 141
- 1030 Invalid SCSI ID 143
- SHR-1370 160
- SHR-1375 160
- Using the Demo Submenu 161
- Specifications 162
- Table A-2 163
- Table A-3 163
- Power Specifications 163
- Specifications A-3 164
- Specifications A-5 166
- Electromagnetic Emission 167
- Table A-13 168
- Table A-14 168
- Requirements 169
- Specifications A-9 170
- Accessories 172
- Table B-2 173
- Novell Netware 174
- Adding a Second Tape Drive 176
- Overall Procedure 177
- Models Only) 178
- Removing 179
- Replacing 179
- SHR-1204 181
- Appendix 184
- SHR-1224 185
- SHR-1225 185
- Tape Drives and Cartridges 186
- Slide lever 188
- Cartridge (takeup) leader 188
- SHR-1292 189
- Archival Guidelines 190
- Cleaning Guidelines 191
- Cleaning Cartridge Guidelines 192
- Table F-2 192
- Cleaning the Tape Drive Heads 193
- SHR-1293 194
- SHR-1294 195
- Using the Tape Drives 196
- Table F-3 197
- Tape Drive Control Panel 197
- Index 3 200
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