Fujitsu Siemens Computers LTO-4 Manuale utente
User Guide
LTO-4 Half-Height
SAS Tape Drive
English
LTO-4 Half-Height Tape Drive User’s Guide, P/N 20020142-001, November 2007.
Product of USA.
Quantum Corporation provides this publication “as is” without warranty of any kind, either express or
implied, including but not limited to the implied warranties of merchantability or fitness for a particular
purpose. Quantum Corporation may revise this publication from time to time without notice.
COPYRIGHT STATEMENT
Copyright 2007 by Quantum Corporation. All rights reserved.
Your right to copy this manual is limited by copyright law. Making copies or adaptations without prior
written authorization of Quantum Corporation is prohibited by law and constitutes a punishable violation of
the law.
TRADEMARK STATEMENT
Quantum and the Quantum logo are registered trademarks of Quantum Corporation.
Other trademarks may be mentioned herein which belong to other companies.
LTO-4 Half-Height Tape Drive User’s Guide iii
Contents
Preface viii
Chapter 1 Introduction 1
Overview............................................................................................................. 1
Drive Models ...................................................................................................... 2
Internal ......................................................................................................... 2
Tabletop........................................................................................................ 2
Features ............................................................................................................... 3
Chapter 2 Installation Procedures 5
Before Installing the LTO-4 Half-Height Tape Drive .................................. 6
Handling Precautions and Installation Guidelines ............................... 6
Preinstallation Requirements.................................................................... 7
Unpacking and Inspecting the Drive...................................................... 7
Installing the Internal LTO-4 Half-Height Tape Drive................................. 8
Mounting the Internal Tape Drive ........................................................... 8
Connecting the Internal Drive Interface and DC Power Cables........ 10
Restarting the Internal Tape Drive System........................................... 11
IInstalling the LTO Driver Software ............................................................. 12
Contents
LTO-4 Half-Height Tape Drive User’s Guide iv
Chapter 3 Operation 13
Understanding the Front Panel Display....................................................... 13
Using LTO Tape Cartridges ........................................................................... 16
Loading a Tape Cartridge........................................................................ 16
Unloading a Tape Cartridge ................................................................... 16
Write Protecting a Tape Cartridge ......................................................... 16
Tape Cartridge Care and Maintenance ................................................. 17
Cleaning the Tape Drive ................................................................................. 18
Performing an Emergency Cartridge Eject................................................... 20
Chapter 4 Theory 21
Track Layout..................................................................................................... 21
Recording Method ........................................................................................... 23
Data Buffer ........................................................................................................ 23
Data Integrity.................................................................................................... 23
Error-correction Code (ECC)................................................................... 24
Servo-tracking Faults ............................................................................... 25
Data Compression............................................................................................ 25
Data Compression Considerations......................................................... 26
Intelligent Data Compression ................................................................. 27
Chapter 5 Specifications 29
Physical Specifications .................................................................................... 30
Power Specifications........................................................................................ 32
Drive Performance Specifications.................................................................. 33
Environmental Requirements ........................................................................ 35
Injected Noise Specifications.......................................................................... 36
Reliability Specifications ................................................................................. 36
Mean Time Between Failures.................................................................. 37
Mean Time to Replace.............................................................................. 37
LTO Cartridge Specifications ......................................................................... 37
Chapter 6 Troubleshooting Guide 38
Installation Best Practices ............................................................................... 38
Following SAS Best Practices.................................................................. 38
Contents
LTO-4 Half-Height Tape Drive User’s Guide v
Using a Serial-attached SAS Host Bus Adapter ................................... 38
HBA Preinstallation Checks.................................................................... 39
Troubleshooting Suggestions......................................................................... 39
Computer Does Not Start ........................................................................ 39
Computer Hardware Does Not Recognize the Tape Drive................ 40
Computer Software Does Not Recognize the Tape Drive .................. 45
Drive Does Not Load the Tape Cartridge ............................................. 46
Drive Does Not Eject the Tape Cartridge.............................................. 48
Slow Backup Operations ......................................................................... 50
Failed Operations TapeAlert Messages................................................. 50
Appendix A Installation Checklists 57
Internal LTO-4 Half-Height Tape Drive Quick Start ................................. 58
Tabletop LTO-4 Half-Height Tape Drive Quick Start ................................ 59
Appendix B Disposal of Electrical & Electronic Equipment 60
Appendix C Regulatory Compliances 61
Safety Compliances.......................................................................................... 62
Electromagnetic Compatibility (EMC) Compliances ................................. 63
Index 65
LTO-4 Half-Height Tape Drive User’s Guide vi
Figures
Figure 1 Internal LTO-4 Half-Height Tape Drive ................................... 2
Figure 2 Acceptable Mounting Orientation ............................................. 9
Figure 3 Internal Tape Drive Mounting Holes ...................................... 10
Figure 4 Internal Drive Interface and Power Connectors .................... 10
Figure 5 Front Panel Display.................................................................... 14
Figure 6 Ultrium Tape Cartridge Write-Protect Switch ....................... 17
Figure 7 Layout of the Tracks on LTO Ultrium Tapes ......................... 22
Figure 8 LTO-4 Half-Height Tape Drive Dimensions .......................... 31
LTO-4 Half-Height Tape Drive User’s Guide vii
Tables
Table 1 Performance Features and Capabilities .................................... 3
Table 2 Front Panel Display Indications............................................... 14
Table 3 Physical Specifications............................................................... 30
Table 4 Voltage and Current Specifications ......................................... 32
Table 5 Power Dissipation ...................................................................... 32
Table 6 Drive Performance Specifications............................................ 33
Table 7 Environmental Requirements................................................... 35
Table 8 Reliability Specifications ........................................................... 36
LTO-4 Half-Height Tape Drive User’s Guide viii
Preface
Audience This guide is written for users of the LTO-4 Half-Height Tape
Drive.
Purpose This guide provides information about the LTO-4 Half-Height
Tape Drive including:
• Installing the drive
• Basic drive operations
• Maintenance
• Specifications
• Troubleshooting
Document Organization This guide is organized as follows:
•Chapter 1, Introduction, provides an overview of LTO and
Ultrium technologies, and summarizes the drive’s key
features.
•Chapter 2, Installation Procedures, describes handling
precautions, unpacking tips, and installation instructions.
Preface
LTO-4 Half-Height Tape Drive User’s Guide ix
•Chapter 3, Operation, describes the operation and maintenance of the
drive.
•Chapter 4, Theory, describes the theory of operation behind the drive,
including the technology used in various drive components.
•Chapter 5, Specifications, provides drive and cartridge specifications.
•Chapter 6, Troubleshooting Guide provides troubleshooting
procedures you can follow if you encounter a problem with your
drive.
•Appendix A, Installation Checklists, provides abbreviated quick-start
checklists for users who are already familiar with the installation
procedures.
•Appendix B, Disposal of Electrical & Electronic Equipment, provides
instructions for proper disposal of unwanted electrical and electronic
equipment.
•Appendix C, Regulatory Compliances, identifies drive compliance
with safety and EMC regulations.
This guide also has an index.
Notational Conventions This guide uses the following conventions:
Note: Notes emphasize important information related to the main
topic.
Tech Tip: Tech Tips provide technical information which may be
helpful in performing the procedure.
Caution: Cautions indicate potential hazards to equipment and are
included to prevent damage to equipment.
Warning: Warnings indicate potential hazards to personal safety and
are included to prevent injury.
Preface
LTO-4 Half-Height Tape Drive User’s Guide x
Related Documents The following subsection identifies the primary documents that are
related to the LTO-4 Half-Height Tape Drive.
Standards Conformance 0
The Small Computer System Interface is described in standards that
include several versions and a number of individual documents. The
original Small Computer System Interface Standard, X3.131-1986, is
referred to as SCSI-1. SCSI-1 was revised, resulting in the Small
Computer System Interface – 2 (X3.131-1994), referred to as SCSI-2. The
set of SCSI-3 standards are collectively referred to as SCSI-3. The
applicable ANSI standards are as follows:
• INCITS Technical Committee T10 (SCSI Storage Interfaces)
Standards:
• SCSI Architecture Model – 2 (SAM-2) INCITS 366-2003
• SCSI Architecture Model – 3 (SAM-3) INCITS 402-2005
• SCSI Architecture Model – 4 (SAM-4) in development
• Automation/Drive Interface – Commands (ADC) INCITS 403-
2005
• Automation/Drive Interface Commands (ADC-2) in
development
• Automation/Drive Interface – Transport Protocol (ADT) INCITS
406-2005
• Automation/Drive Interface – Transport Protocol – 2 (ADT-2) in
development
• Fibre Channel Protocol for SCSI (FCP) INCITS 269-1996
• Fibre Channel Protocol for SCSI, Second Version - 2 (FCP-2)
INCITS 350-2003
• Fibre Channel Protocol for SCSI, Third Version - 3 (FCP-3)
INCITS 416-2006
• Fibre Channel Protocol for SCSI, Fourth Version - 4 (FCP-3) in
development
• SCSI-3 Medium Changer Commands (SMC) INCITS 314-1998
• SCSI Media Changer Commands – 2 (SMC-2) INCITS 382-2004
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