Compaq TL891 - DLT Tape Library, TL891 MiniLibrary User Manual
TL891 MiniLibrary System User's
Guide
First Edition (March 1999)
Part Number ER-TL891-UA. A01
Compaq Computer Corporation
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Notice
The information in this publication is subject to change without notice.
COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR
EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN, NOR FOR INCIDENTAL OR
CONSEQUENTIAL DAMAGES RESULTI NG FROM THE FURNISHI NG, PE RFORMANCE, OR
USE OF THIS MATERIAL. THIS INFORMATION IS PROVIDED “AS IS” AND COMPAQ
COMPUTER CORPORATION DISCLAIM S ANY WARRANTIES, EXPR ESS, IM PLIE D OR
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MERCHANTABILITY, FITNESS FOR PARTICULAR PURPOSE, GOOD TIT LE AND AGAINST
INFRINGEMENT.
This publication contains information protected by copyright. No part of this publication may be
photocopied or reproduced in any form without prior written consent from Compaq Computer
Corporation.
© 1999 Compaq Computer Corporation.
All right s re se rved. Printed in the U.S.A.
The software described in this guide is furnished under a license agreement or nondisclosure agreement.
The software may be used or copied only in accordance with the terms of the agreement.
Com pa q, Desk pro, Fastart, C ompaq Insight Manage r, Systempro, Sy stempr o/LT, ProLia nt, ROMPaq,
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Microsoft, MS -DO S, Windows, and Win dow s NT are registered trademark s of Mic ros of t Corporation.
Pentium is a registered trademark and Xeon is a trademark of Intel Corporation.
Other product na me s mentioned herein m ay be trademarks and/o r registered trade m arks of their
respective companies.
TL891 MiniLibrary System User's Guide
First Edition (March 1999)
Part Number ER-TL891-UA. A01
Writer: Everett Godaire Project: TL891 MiniLibrary System User's Guide Comments:
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Contents
About This Guide
Text Conventions .................................................................................................vii
Symbols in Text ..................................................................................................viii
Symbols on Equipment........................................................................................viii
Rack Stability........................................................................................................ ix
Getting Help.......................................................................................................... ix
Compaq Technical Support.............................................................................ix
Compa q Website ............................................................................................. x
Compaq Authorized Reseller ........................................................................... x
Chapter 1
Introduction
Modules.......................................................................................................1-1
The Expansion Unit......................................................................................1-3
The Base Module..........................................................................................1-3
SCSI Interface Configurations.......................................................................1-4
SCSI Bus Performance Considerations ..........................................................1-4
Physical Configuration..................................................................................1-5
System Expansion.........................................................................................1-5
Features........................................................................................................1-6
Advanced Design Features..........................................................................1-12
Chapter 2
Operation
Expansion Unit.............................................................................................2-1
Starting the System.......................................................................................2-8
The MiniLibrary Menu Structure ................................................................2-12
Inserting and Removing Cartridges.............................................................2-24
Inserting a Magazin e...................................................................................2-28
Base Module...............................................................................................2-29
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iv TL891 MiniLibrary System User's Guide
Chapter 3
Installation
Introduction.................................................................................................. 3-1
Planning Your Inst allation ............................................................................ 3-3
Mechanical Installation................................................................................. 3-4
Chapter 4
Configuration
How to Customi ze Configuration..................................................................4-1
Descriptions of Configuration Options..........................................................4-3
Chapter 5
Regular Maintenance
Cleaning Cartridge........................................................................................5-2
Chapter 6
Diagnostics and Troubleshooting
Diagnosing Problems....................................................................................6-1
Error Recovery.............................................................................................6-2
Fault Symptom Codes (FSC) ........................................................................6-5
Using CE Diagnostics.................................................................................6-25
Using the Demo Submenu ..........................................................................6-26
Appendix A
Specifications
Safety.......................................................................................................... A-5
Electromagnetic Emission............................................................................ A-6
Statement for Equipment Meeting FCC Class A Requirements..................... A-8
Equipment Meeting VDE Class B Requirements.......................................... A-9
(VFG 1046/84 and VFG 243/ 91 for Germany) ............................................. A-9
VCCI Notice for Japan Class I Equipment..................................................A-10
Appendix B
Accessories
Data and Cleaning Cartridge Ordering Information ...................................... B-1
Bar Code Label a nd Magazine Ordering Information.................................... B-2
Appendix C
Product Notes for Windows NT and Novell NetWare
Host SCSI Interface..................................................................................... C-1
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Appendix D
Product Notes for Sun
General Information.....................................................................................D-1
Modifications Required for Solaris 2.4 (or later)........................................... D-3
Appendix E
Product Notes for IBM RS/6000
Modifications Require d to Operate the TZ89 DLT Cartridge SBB T a pe
Drive or Tabletop Drive with AIX 4.1.4 (or later)..........................................E-1
Appendix F
Adding a Second Tape Drive
Parts Lo cation .....................................................................................................F-1
Overall Procedure................................................................................................F-2
Removing and Replacing the Skin Cover (Desktop Models Only)..................F-2
Removing and Replacing the Cover Plate......................................................F-4
Removing and Replaci n g the Drive Caddy Assem bly .................................... F-5
Installing the Second Tape Drive...................................................................F-7
Appendix G
Information on Pass-Through Section Covers
Pass-Through Section Covers .............................................................................G-1
Contents v
Appendix H
Tape Drives and Cartridges
Care and Handling of Cartridges.................................................................. H-1
Checking a Cartridge for Damage ................................................................ H-3
Archival Guidelines............................................................................................ H-6
Transportation Guidelines............................................................................ H-6
Cleaning Guidelines..................................................................................... H-7
Cleaning the Tape Drive Heads .................................................................... H-9
Preparing Cartridges for Use...................................................................... H-10
Index
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vi TL891 MiniLibrary System User's Guide
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This guide is de signed to be used as step-by-step instructions for installation
and as a refe rence for operation, trouble shooting, and future upgrades.
Text Conventions
This document uses the following conventions to distinguish elements of te xt:
Keys Keys appear in boldface. A plus sign (+) between
About This Guide
two keys indicates that they should be pressed
simultaneously.
USER INPUT
FILENAMES File names appear in uppercase italics.
Menu Options,
Command Names,
Dialog Box Names
COMMANDS,
DIRECTORY NAMES,
and DRIVE NAMES
Type When you are instructed to type informa tion, type
Enter
User input appears in a different typeface and in
uppercase.
These el ements appear in initial capital letters.
These elements appear in uppercase.
the information without pressing the Enter key.
When you are instructed to enter information, type
the information and then press the Enter key.
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viii TL891 MiniLibrary System User's Guide
Symbols in Text
These symbols may be found in the text of this guide. They have the following
meanings.
WARNING:
in the warning could result in bodily harm or loss of life.
CAUTION:
could result in damage to equipment or loss of information.
IMPORTANT:
instructions.
NOTE:
Text set off in this manner presents commentary, sidelights, or interesting points
of information.
Text set off in this manner indicates that failure to follow directions
Text set off in this manner presents clarifying information or specific
Symbols on Equipment
These icons may be located on equipment i n areas where hazardous conditions
may exist.
Any surface or area of the equipment marked with these symbols
indicates the presence of electrical shock hazards. Enclosed area
contains no operator serviceable parts.
WARNING:
do not open this enclosure.
Text set off in this manner indicates that failure to follow directions
To reduce the risk of injury from electrical shock hazards,
Any RJ-45 receptacle marked with these symbols indicates a Network
Interface Connection.
WARNING:
the equipment, do not plug telephone or telecommunications
connectors into this receptacle.
To reduce the risk of electrical shock, fire, or damage to
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Rack Stability
Contents ix
Any surface or area of the equipment marked with these symbols
indicates the presence of a hot surface or hot component. If this
surface is contacted, the potential for injury exists.
WARNING: To reduce the risk of injury from a hot component, allow
the surface to cool before touching.
Power Supplies or Systems marked with these symbols
indicate the equipment is supplied by multiple sources of
power.
WARNING: To reduce the risk of injury from electrical shock,
remove all power cords to completely disconnect power from
the system.
WARNING: To reduce the risk of personal injury or damage to the equipment,
be sure that:
■
The leveling jacks are extended to the floor.
■
The full weight of the rack rests on the leveling jacks.
■
The stabilizing feet are attached to the rack if it is a single rack
installations.
■
The racks are coupled together in multiple rack installations.
■
A rack may become unstable if more than one component is extended for
any reason. Extend only one component at a time.
Getting Help
If you have a problem and have exhaust ed the information in this guide, you
can get further i nformation and other hel p in the following loca tions.
Compaq Technical Support
You are entitled to free hardware technical telephone support for your product
for as long you own the product. A t echnical support specialist will help you
diagnose the problem or guide you to the next step in the warranty process.
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x TL891 MiniLibrary System User's Guide
In North America , call the Compaq Te chnical Phone Support Ce nter at
1-800-OK-COMPAQ
Outside North Am erica, call the nearest Compaq Technical Support Phone
Center. Telephone numbers for world wide Technical Support Centers are
listed on the Compaq website. Access the Compaq website by logging on to
the Internet at http://www.compaq.com.
Be sure to have the following information a vailable before you c all Compaq:
■
Technical support registration number (if appl icable)
■
Product serial number (s)
■
Product model name(s) and numbers(s)
■
Applicable error messages
■
Add-on boards or hardware
■
Third-p arty hardware or s o ftware
■
Operating system type and revision level
■
Detailed, specific questions
Compaq Website
The Compaq we bsite has information on thi s product as well as the latest
drivers and Flash ROM images. You can access the Compaq website by
logging on to the Internet at http://www.compaq.com.
1
. This service is available 24 hours a day, 7 days a week.
Compaq Authorized Reseller
For the name of your nearest Compaq Authorized Reseller:
■
In the United States, call 1-800-345-1518.
■
In Canada, call 1-800-263-5868.
■
Elsewhere, see the Compaq website for loc ations and telephone
numbers.
1
For continuous quality improvement, calls ma y be recorded or m onitored.
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Chapter
1
Introduction
This chapter descri bes the features of t he expansion and base modules of the
MiniLibrary System, including Storage Archite cture, SCSI Interface, Bus
Performance, and Physical Configuration/Expansion Options.
The MiniLibrary System is an expandable, modular tape library system
combining DLT te chnology drive with advanc ed robotics. The MiniLibrary
System is designed for high duty-cycle on-li ne and near-on-line appl ications,
such as hierarchic a l st ora ge mana ge men t (HSM). It is a super ior per forme r in
high-volume backup and archival service as well.
Modules
Two types of modules comprise the MiniLi brary System:
■
Expansion Unit (Master)
■
MiniLibrary (Base Module)
The MiniLibrary System consists of one Expansion Unit and up to five
MiniLibrary base modules stacked in a rack. The Expans ion Unit can move
media freely between itself and Base Modules via the system’s roboticallycontrolled pass-through mechanism.
In a MiniLibrary System, you can combine modules to provide the ri ght
combination of c apacity and performance t o meet your present storage
requirements. Compaq’s MiniLibrary storage architecture lets you add
modules to optimize throughput and capacity as your ne eds chan ge .
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1-2 TL891 MiniLibrary System User's Guide
MiniLibrary Storage Architecture
When connected as a system, the robotics in the MiniLibrary 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
Base Modules.
The Expansion Unit presents to the host(s) a single SCSI medium changer
device with a single SCSI Medium Transport element, a number of 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 Tra nsfer
elements equal to the total number of drives in the system.
Flexibility
Compaq’s MiniLibrary storage architecture is uniquely suited to growing
storage needs. Its flexible library robotics system enables you to 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 pa ss-through mechanism. Add dri ves for faster performance or
magazine space for greater capacity, as needed. Then just turn on the power,
and immediately the system updates the system map so the host i s informed of
the expanded capability.
Multi-Server Data Sharing
A host computer with a SCSI controller connected to a bus is a SCSI Initiator.
The Expansion Unit is a SCSI Target. SCSI rules permit multiple Initiators on
a single bus. T herefore, with the prope r host software, it is possible to connect
multiple hosts to a single Expansion Unit over a single SCSI bus. This allows
multiple hosts to operate the library robotics, loading and unloading cartridges
as each host requires.
In a system with many drives, it is desirable to use multiple SCSI buses for the
drives, so the data transfer rate of the drives is not limited by bus bandwidth.
In a large, high-performance system, drives ma y be connected to separate
hosts. Using special software, one of the hosts can act as a master server,
processing all robotic s commands. In this way several hosts may share a
common data ba se.
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The Expansion Unit
Description
The Expansion Uni t integrates the robotics in the individual modules into a
single coordinated library robotics system. The Expansion Unit performs and
maintains an inventory of all media present in the system, including bar code
data. All necessa ry system control operations may be performed from the
control panel of the Expansion Unit, as well as from the host via software. The
SCSI interface for the library robotics is designed for high-speed
communication with the host, and Fast/Wide SCSI configurations.
In addition to it s system control functi ons, the Expansion Unit has a 16cartridge magazine with a rugged random a ccess robotic mechanism. T he
module robotics move s cartridges between the pass-through mechanism and
any of the 16 cartridge storage locations.
The user may designate a magazine in one of the base modules as a mail slot
for inserting or removing one or more single cartridges, which imple ments the
SCSI Import/Export c ommands.
NOTE:
A magazine that has been reserved for Import/Export service may not be used for
data storage.
Introduction 1-3
The Base Module
Description
The Base Module has one or two TZ 89 tape drives and a 10-cartridge
magazine with a rugged random access robot ic mechanism.
Models
The TL891 using one or two TZ89 seri es drives, also use the DLTtape IV
cartridges, which provide a native capacity of 35 GB per cartridge. All models
can also read and write DLTTape III and DLTtape IIIxt cartridges. Both read
and write densitie s are selectable from the front panel, and under SCSI control
from the host.
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1-4 TL891 MiniLibrary System User's Guide
SCSI Interface Configurations
Systems are equipped with TZ89 drives use a Fast/Wide SCSI interface using
high-density 68-pin D-series connectors. The section on SCSI Interfaces in
Chapter 3, Inst allation, 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 configurat ion. The bandwidth of the SCSI bus is
limited. As a result, the transfer rate of exceptionally fast drives such as the
TZ89 can be li mited by sharing a SCSI bus with another disc drive on tape.
Drives
With a standard SCSI interface, modules e quipped with TZ89 drives have a
native data transfer rate of 5.0 MB/second, 10 MB/sec for two drives. The
rates for compresse d data are dependent on compression ratio, record size,
data type, and other system parameters, but averages approximately 1:7.
Internal Cabling Configuration
The MiniLibrary System is wired in an i ndependent-bus SCSI configurati on.
That is, the robotic s and each of the drives has its own SCSI bus. SCSI
jumpers are available for those applications requiring that some combination
of drives and robotics be daisy-chained to a single SCSI bus. These
configurations are de scribed in more detail i n the section on SCSI Interfaces in
Chapter 3, Inst allation.
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Physical Configuration
The Expansion Uni t must be mounted at the top of the stack, which places its
control panel at a convenient height. The control panels of the Ba se Modules
are of secondary importance, as they serve main ly to help localiz e sys tem
failures. When installed, the motor drive assembly of th e p as s - th rough
mechanism is directly behind the Expansion Unit.
Base modules may be installed anywhere below the Expansion Unit, in any
order. There may be a slight performance advantage in making the Base
Modules contiguous, but gaps are permitted. The size of a gap is limited by the
fact that each ga p must be bridged by some number of 7” pa ss-through
mechanism track sections. For safety, available cover plates should be
installed on all pass-through mechanism sections that are not connected t o
MiniLibrary module s.
The Expansion Unit senses the position of each module during initialization at
power-up. Even i f there are gaps betwee n modules, the system will operate
correctly. If you plan to leave gaps betwee n modules, be sure t o order
additional p ass - through mechanism track segments and cover plates equa l to
the length of the gap.
Introduction 1-5
System Expansion
A MiniLibrary System may be expanded in capac ity and perfo rm anc e by
adding or removi n g TL891 modul e s. Asso ci ated with the Expansion Unit and
each of the Base Module(s) is a section of the pass-through mechanism.
System firmware inte grates all of the robotics of these system m odules with
that of the pass-through mechanism into a single high-performance libra ry
robotics system.
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1-6 TL891 MiniLibrary System User's Guide
Features
Figures 1-1 through 1-5 identify some of the external features of the
Expansio n Unit and the MiniLibrary.
1
2
3
4
Figure 1-1. Expansion Unit Front View
16-Cartridge Magazine
1
Magazine Security Lock
2
Control Panel
3
5
Unlock/Open Button
4
Locked Indicator
5
Power Switch
6
6
SHR-1194
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Introduction 1-7
1
2
3
Use
Cleaner
Drive
Loader
Fault
Fault
4
5
6
SHR-1195
Figure 1-2. Base Module Front View
10-Cartridge Magazine
1
Magazine Security Lock
2
Control Panel
3
Unlock/Open Button
4
Locked Indicator
5
Power Switch
6
Control Panel
The control panels for all modules are the same, except for the number of LED
indicators. The control panel features a 4-line by 20-character backlit LCD
display, three or four LED indicators, and four buttons. The buttons enable the
operator to naviga te through the menu structure to select and displa y operating
modes, device sta tus, diagnostic and mainte nance functions, device history and
error statistics, and system configuration. The functions of the control panel
are described in detail in Chapter 2, Operation.
Display
The backlit 4-line by 20-character control panel display provides a highly
intelligible presentat i on of drive and loade r status, menu choices a nd error
messages. The scrolling feature greatly expands the amount of inform ation
available to the operator. In the Expansion Unit, status information is available
for the entire system. The base modules di splay other information as needed
for localizing mal functions.
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1-8 TL891 MiniLibrary System User's Guide
Magazine Security Lock
The Magazine Sec urity Lock is a key-operated switch on the front panel of
each module. It can be used to prevent inadvertent removal of the cartridge
magazine.
Power Supply
The AC Power switch is located on the front panel of the module. The
autoranging power supply will adjust automatically to either of two operating
voltage ranges. The ranges are 100-120 VAC and 200-240 VAC. The power
supply is capabl e of operating at 50 or 60 Hz without any adjustment or
modification. AC power is supplied to the power supply by a single IECcompatible socket t hat can be connected to any properly grounded outlet.
Tape Cartridge Magazines
The 10-cartridge and 16-cartridge magazines are removable from the front
panel, but may be protected from tampering by any of three means: 1) a keyoperated Magazine Security Lock which must be unlocked before the
magazine can be removed, 2) an electronic combination lock operated by
using buttons on the Expansion Unit control panel, and 3) issuance by the host
of a SCSI ‘Prevent Medium Removal’ comma nd. The rugged carbon-fibe rreinforced polymer mag azine fits into an extruded track , which assures precise
positioning with respect to the library robot ics. A 10-cartridge tape ma gazine
is shown in Figure 1-3. Insertion and re moval of the magazine is described in
Chapter 2, Ope ration.
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4
3
2
Figure 1-3. Base Module 10-Cartridge Magazine
Slot 0
1
Front Label Slide Slot
2
Barcode Label Slide Slot (not used)
3
Slot 9
4
Introduction 1-9
1
SHR-1226
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1-10 TL891 MiniLibrary System User's Guide
5
4
3
1
Figure 1-4. Expansion Unit Rear View
Pass-Through Mechanism
1
Motor Drive
Power Connector
2
Base Module Robotics
3
Interface Connectors
2
Library Robotics SCSI Interface
4
Diagnostics Connector
5
SHR-1227
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Introduction 1-11
1
4
Figure 1-5. Base Module Rear View
SCSI Interface
1
Expansion Unit Interface
2
3
2
Power Connector
3
Fan
4
SHR-1228
Integral Fan Cooling
A single forced-a i r fan is mounted inside each module to provide optimum
cooling for critical parts, and to prevent the drive and robotics electronics,
motors and power supply from overheating.
Library Robotics
The MiniLibrary System features library robot ics that can load any of the
cartridges stored in any mag azine in the system into any of the tape drives,
moving cartridges among as many as five modules within the MiniLibrary
System.
Bar Code Reader
The bar code reader is mounted on the cartridge shuttle in each module. It
reads bar co de lab els attached to each car tridge, and maintains the bar code
data in memory as part of the library System Map.
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1-12 TL891 MiniLibrary System User's Guide
Advanced Design Features
The MiniLibrary System incorporates many signi ficant improvements in ta pe
drive and library design. One of the m ost important is the use of highly
reliable DLT tec hnology, with media rated by the media manufacturer at better
than 1,000,000 hea d passes.
Embedded Diagnostics
The MiniLibrary System and each of its modules provide three levels of
embedded diagnostics. The Power-On Sel f Test (POST) performs various
verification tests on the system’s configuration and host interface and de vice
control functions, a s well as memory tests, at power-up. The second level of
diagnostics is the User Diagnostics, which provide for displaying and
changing configuration options . The third lev el, Custo mer Engin eer (CE)
Diagnostics, include advanced diagnostics to be used by Customer Engineers
for servicing the MiniLibrary System. Both the User Diagnostics and the CE
Diagnostics may be selected from the front panel.
User Diagnostics are described in greater detail in Chapter 3, Installation.
Error Checking
Drives used in the MiniLibrary System apply a 16-bit parity check to each
record, a 64-bit CRC to each 4 kb of data, and Reed-Solomon error correction
code overall. In addition, there is an inte rnal parity check on the data buffer.
Compression
MiniLibrary System drives use the standard Digital Lempel-Ziv (DLZ) data
compression algorithm.
Capacity
A Base Module with its 10-cartridge magazine and a single Expansion unit
with its 16-cartridge magazine offers the formatted capacities shown in Table
1-1.
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Table 1-1
MiniLibrary System Tape Capacity
Introduction 1-13
MODEL CARTRIDGE
MAGAZINE
CAPACITY
FULL MAGAZINE
UNCOMPRESSED
FULL MAGAZINE
COMPRESSED @
2:1
TL891 DLTtape IV 10 350 GB 700 GB
TL890 DLTtape IV 16 560 GB 1120 GB
Media Life
The media used in the MiniLibrary is rated by the media manufacturer at over
1,000,000 head passes, and a shelf life of at least 30 years.
Writer: Everett Godaire Project: TL891 MiniLibrary System User's Guide Comments:
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Part Number: ER-TL891-UA.A01 File Name: b-ch1 Introduction Last Saved On: 3/1/99 4:07 PM
This chapter descri bes manual operation of the MiniLibrary System t hrough
the Expansion Uni t (Master) control panel, (the normal manner of manual
operation), and the online and offline operati ons which may be performed
through the Mini Library (base) control panel.
Expansion Unit
Front Panel
The front panel of the Expansion Unit (reference Figure 2-1) include s a power
switch for the unit, and the control panel that has buttons, a display, and LED
indicators.
Chapter
2
Operation
Writer: Everett Godaire Project: TL891 MiniLibrary System User's Guide Comments:
Part Number: ER-TL891-UA.A01 File Name: c-ch2 Operation Last Saved On: 3/1/99 2:14 PM
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2-2 TL891 MiniLibrary System User's Guide
1
2
3
4
Figure 2-1. Expansion Unit Front Panel
16-Cartridge Magazine
1
Magazine Security Lock
2
Control Panel
3
5
Unlock/Open Button
4
Locked Indicator
5
Power Switch
6
6
SHR-1194
Writer: Everett Godaire Project: TL891 MiniLibrary System User's Guide Comments:
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Part Number: ER-TL891-UA.A01 File Name: c-ch2 Operation Last Saved On: 3/1/99 2:14 PM
Operation 2-3
Power Switch
The power switch controls the supply of AC power to the module. It is set into
a recess in the front panel to prevent accidental operation. Press 1 t o turn the
module ON and 0 to turn the module OFF.
NOTE:
The Expansion Unit must be turned on after or simultaneously with the Base
Module(s). If this is not done, the Expansion Unit may not be notified of the presence of
one or more of the Base Modules.
Control Panels
The Expansion Uni t control panel, shown in Figure 2-2, consists of three LED
indicators, a four-line by 20-character backlit LCD display, and four butt ons.
The Base Module control panel, shown in Figure 2-3, has four LED indicators,
Expansion Unit Indic ators
There are three LED indicators on the Expansion Unit control panel, labeled
Ready
(green),
■
Ready
commands, either from the control panel or from the host computer. T he
Ready
Alert
(yellow), and
Fault
(red), that serve as follows:
(green) - illuminates when the system is ready to accept
indicator goes out when you enter the Menu Mode.
■
(yellow) - indicates that a fault or some other matter that requires
Alert
attention has oc curred in one of the modules in the system. Line 2 of the
display blinks the number of the module where the fault has occurred.
The control pane ls of the indicated m odule may give a further indication
of the cause of the alert. Often, when the
LED is lit, a
Alert
Fault
is illuminated on one or more of the Base Modules as well.
■
(red) - indicates that a fault has occurred in the Expansion Unit, or
Fault
that the magazine door is unable to close. When the red LED is
illuminated, a Fault Screen appears on the LCD display. The Fault
Screen is described later in this chapter. A list of fault symptom codes
(FSC) and error recovery procedures (ERP) appears in Chapter 6,
Diagnostics and Troubleshooting.
LED
Writer: Everett Godaire Project: TL891 MiniLibrary System User's Guide Comments:
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Part Number: ER-TL891-UA.A01 File Name: c-ch2 Operation Last Saved On: 3/1/99 2:14 PM
2-4 TL891 MiniLibrary System User's Guide
Figure 2-2. Expansion Unit Control Panel
Ready
Escape
Alert
Fault
Enter
SHR-1229
Writer: Everett Godaire Project: TL891 MiniLibrary System User's Guide Comments:
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Part Number: ER-TL891-UA.A01 File Name: c-ch2 Operation Last Saved On: 3/1/99 2:14 PM
Operation 2-5
Base Module Indicat ors
There are four LE D indicators on the Base Module control panel , labeled
Ready
(green),
Use
Cleaner
(yellow),
Driv e Fa u lt
(red), and
Loader Fault
(red), that serve as follows:
■
(green) - illuminates when the Base Module is ready to accept
Ready
commands, either from the control panel or from the host computer via
the Expansion Unit. The
indicator goes out when you enter the
Ready
Menu Mode.
■
Use Cleaner
(yellow) - indicates that either or both drives require
cleaning. A cleaning operation should be pe rformed as described in
Chapter 5, Regular Maintenance. When the
Use Cleaner
LED comes
on, you can find out which drive needs cleaning by selecting Cleaning
Needed on the Drive Status submenu.
■
Drive or Loader Fault
(red) - illuminates when a Fault Screen appears
on the LCD display. The Fault Screen is described later in this chapter.
A list of fault symptom codes (FSC) and error recovery procedure s
(ERP) appears in Chapter 5, Regular Maintenance.
Ready
Use
Cleaner
Drive
Loader
Fault
Fault
Escape
Enter
SHR-1248
Figure 2-3. MiniLibrary Base Module Control Panel
Buttons - All Modules
There ar e fo u r b u ttons on the control panel, label ed
Escape, Enter
The buttons do not directly control specific functions or options. Inste a d, you
use the buttons t o navigate from the Default Screen through a m ulti-level
menu structure, then select the desired opt i on from the appropria te menu using
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Writer: Everett Godaire Project: TL891 MiniLibrary System User's Guide Comments:
Part Number: ER-TL891-UA.A01 File Name: c-ch2 Operation Last Saved On: 3/1/99 2:14 PM
, , and
2-6 TL891 MiniLibrary System User's Guide
y
the
button. T a ble 2-1 describes the effect of each of the four buttons
Enter
under various conditions.
The three most important things you need to know about the buttons are:
1. To enter the Me nu Mode and display the Main Menu from the Default
Screen, press t he
2. To return to the Main Menu from a submenu, pre ss the
repeatedly until the Main Menu appears. Pressing the
Enter
button.
Escape
Escape
button
button
while the Main Menu is displayed exits the Menu Mode and returns you
to the Default Screen. The Default Screen is shown in Figure 2-6; the
Main Menu is shown in Figure 2-10.
3. To display the Show Status Menu only without entering the Menu
Mode, press the
Escape
button at the Default Screen. The system
remains online.
NOTE:
When you enter the Menu Mode at the Expansion Unit, the Ready light on
that mo d ule goes out. This means that th e MiniLibrary s ystem is
stem responds to all commands from the host wi th a SCSI ‘Not Ready’ until you
s
exit the Menu Mode and the Ready light goes on. When you enter the Menu Mode
at any of the Base Modules, the Ready light on that module goes out. This means
individual module
that th e
from the ho st per taining to that mo dule with a SCSI ‘Not Ready’ u ntil you exit the
Menu Mode and the Rea dy l igh t goe s on.
is off-li ne, and the system responds to all commands
off-line
, and the
Writer: Everett Godaire Project: TL891 MiniLibrary System User's Guide Comments:
Compaq Confidential – Need to Know Required
Part Number: ER-TL891-UA.A01 File Name: c-ch2 Operation Last Saved On: 3/1/99 2:14 PM