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MiniLibrary Storage Architecture, Flexibility, MiniLibrary Base Modules or Data Units.

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1-2 Compaq StorageWorks TL881/TL891 Family MiniLibrary System Reference Guide In a MiniLibrary system, you can combine modules to provide the right combination of capacity and performance to meet your present storage requirements. The Compaq MiniLibrary storage architecture lets you add modules to optimize throughput and capacity as your needs change. NOTE: There is a specific Low Voltage Differential (LVD) version of the Expansion Unit for the TL891DLX. Also, the Data Unit can be used in conjunction with all MiniLibrary systems (TL881, TL891, TL891DLX, and TL891DX) because there is no SCSI bus connection to the unit. MiniLibrary Storage Architecture When connected as a system, the robotics in the Expansion Unit act as commanded by the host computer(s). The host(s) need no knowledge of the internal geometry of the system, or of the actions or capabilities of the MiniLibrary Base Modules or Data Units. The Expansion Unit presents to the host(s) a single SCSI medium changer device with a single SCSI medium transport element, several SCSI storage elements equal to the total number of cartridge magazine slots, a number of SCSI import/export elements as specified by the user during configuration of the Expansion Unit, and a number of SCSI data transfer elements equal to the total number of drives in the system. Flexibility The Compaq MiniLibrary storage architecture is uniquely suited to growing storage needs. Its flexible library robotics system lets you start with a system configured to your present requirements, confident that as your storage needs evolve, you can easily modify the MiniLibrary by adding modules and extending the PTM. Add drives for faster performance or magazine space for greater capacity, as needed. Then just turn on the power and the system immediately updates the system map so the host is informed of the expanded capability.

Section	Page
TL881/TL891 Family MiniLibrary System Reference Guide	1
Notice	2
Contents	3
About This Guide	13
Text Conventions	13
Symbols in Text	14
Symbols on Equipment	14
Rack Stability	15
Getting Help	16
Compaq Technical Support	16
Compaq Website	17
Compaq Authorized Reseller	17
Chapter 1: System Description	18
Introduction	18
Modules	18
MiniLibrary Storage Architecture	19
Flexibility	19
Expansion Unit	20
MiniLibrary Base Module	21
Data Unit	23
SCSI Interface Configurations	24
SCSI Bus Performance Considerations	24
Data Transfer Rate	24
Drives	24
Internal Cabling Configuration	24
Physical Configuration	25
System Expansion	25
Features	25
Control Panel	29
Display	30
Magazine Security Lock	30
Power Supply	30
Tape Cartridge Magazines	30
Integral Fan Cooling	31
Library Robotics	31
Bar Code Reader	31
Advanced Design Features	31
Embedded Diagnostics	31
Error Checking	32
Compression	32
Capacity	32
Media Life	33
Chapter 2: Operation	34
Introduction	34
Expansion Unit	35
Power Switch	36
Control Panels	36
LED Indicators	36
Pushbuttons	37
MiniLibrary Base Module	39
Power Switch	40
Control Panel	40
LED Indicators	40
Pushbuttons	41
Data Unit	42
Power Switch	43
Control Panel	43
LED Indicators	44
Pushbuttons	44
Front Panel and Media Locks	44
Starting the System	45
Display Messages	45
Power-On Self Test Screen	45
Initialization Screens	46
Default Screen	46
Fault Screen	46
MiniLibrary Base Module Default Screen	47
Selecting Control Panel Display Modes	48
The MiniLibrary System Menu Structure	49
Entering the Menu Mode	50
Exiting the Menu Mode	51
Navigating Through the Menu Structure	51
Load/Unload Menu	51
Show Status Menu	51
Library Status Submenu	52
Drive Status Menu	53
Map Information Screen	54
Maintenance Menu	55
Configure Menu	55
Show History Menu	55
Security Menu	55
Displaying Firmware Revision	57
Displaying Error Logs	58
Loading and Unloading Tapes	58
Initial Screen (From Line)	59
Initial Screen (To Line)	59
Scroll List (To Line)	59
Inserting and Removing Cartridges	61
Removing a Magazine	63
Emergency Magazine Removal	63
Inserting Cartridges into the Magazine	64
Inserting a Magazine	65
MiniLibrary Base Module	66
Tape Requirements	67
Cartridge Handling and Storage	67
Write Protection	69
Barcode Labels	70
MiniLibrary System Components	70
Storage Architecture	71
The Expansion Unit	71
MiniLibrary Base Module	72
Data Unit	72
SCSI Interface Configurations	72
SCSI Bus Performance Considerations	72
Drives	72
Internal Cabling Configuration	73
Bus Length Limitations	73
Physical Configuration	73
System Expansion	73
Free-Standing MiniLibrary Base Modules Conversion	73
Features	74
Control Panel	78
Display	79
Magazine Security Lock	79
Power Supply	79
Tape Cartridge Magazines	79
Integral Fan Cooling	80
Library Robotics	81
Bar Code Reader	81
Chapter 3: Installation	82
Introduction	82
Installation Overview	82
Planning Your Installation	83
Positioning the Modules	84
Mechanical Installation	84
Identifying the Parts of the PTM	84
Orientation of Parts During Assembly	88
Preparing to Assemble the PTM	89
Assembling the PTM	89
Installing the Belt	91
Adding to an Existing PTM	96
Mechanical Installation of the Expansion and MiniLibrary Base Modules	97
Rail Slide Separation	98
Installing the PTM in the Rack	100
Interfaces and Cabling	101
PTM Motor Cable	102
Control Cables	103
Power Cord	103
SCSI Interfaces	103
Interface Cable Specifications	105
Terminators	106
Interface Cable and Terminator Installation	106
Configuration	110
Setting MiniLibrary Base Module (Slave) Configuration	111
Setting a SCSI ID	112
Setting up a Mail Slot	114
Reserved Slots	115
Descriptions of Configuration Options	116
Chapter 4: Configuration	124
Configuration Overview	124
Customizing Your Configuration	125
Descriptions of Configuration Options	127
Set Data Format	127
Set SCSI	127
Set Library Mode	128
Set Sequential Configuration	128
Set Element Base	130
Set Date	131
Set Time	136
Set Baud Rate	136
Set Serial Number	136
Set Unload Mode	137
Set Auto Clean Mode	137
Set Negotiation	137
Set Mail Slot	137
Set Reserve Slot	138
Set Special Configuration	138
Set Default	138
Chapter 5: Regular Maintenance	139
Introduction	139
Cleaning Cartridge	140
Installing a Cleaning Cartridge	140
Running the Cleaning Cartridge	141
Removing the Cleaning Cartridge	142
Chapter 6: Diagnostics and Troubleshooting	143
Introduction	143
Diagnosing Problems	143
Platform Problems	143
General Drive Errors	144
Error Recovery	144
Error Recovery Procedures	146
FSCs	146
Using System Diagnostics	163
Cartridge Cycle Diagnostic	164
Using the Demo Submenu	164
Appendix A: Specifications	165
Introduction	165
Safety	170
Electromagnetic Emission (EM)	171
Notice	171
Industry Canada	171
Industrie Canada	171
FCC Notice	171
Acoustic Noise Declaration	172
FCC and VCCI Requirements	173
Statement for Equipment Meeting FCC Class A Requirements	173
Equipment Meeting VDE Class B Requirements(VFG 1046/84 and VFG 243/91 for Germany)	174
VCCI Notice for Japan Class I Equipment	175
Appendix B: Accessories	176
Introduction	176
Data and Cleaning Cartridge Ordering Information	176
Bar Code Label and Magazine Ordering Information	177
Appendix C: Product Notes for Microsoft Windows NT and Novell Netware	178
Introduction	178
Host SCSI Interface	179
Appendix D: Adding a Second Tape Drive	180
Introduction	180
Parts Location	181
Overall Procedure	182
Removing and Replacing the Skin Cover (Desktop Models Only)	183
Removing	183
Replacing	184
Removing and Replacing the Cover Plate	184
Removing	184
Replacing	184
Removing and Replacing the Drive Caddy Assembly	185
Removing	186
Replacing	187
Installing the Second Tape Drive	188
Appendix E: Information on Pass-Through Section Covers	190
Introduction	190
Pass-Through Section Covers	190
Appendix F: Tape Drives and Cartridges	192
Introduction	192
Care and Handling of Cartridges	193
Handling and Storage Guidelines	193
Checking a Cartridge for Damage	194
Archival Guidelines	197
Transportation Guidelines	198
Cleaning Guidelines	199
Cleaning the Tape Drive Heads	201
Preparing Cartridges for Use	202
Applying Bar Code Labels	202
Write-Protecting and Write-Enabling Cartridges	204
Using the Tape Drives	205
Appendix G: Interconnect Characteristics for Signals	207