Quantum LTO-4 (Model B) Manual de usuario

6-66846-01 Rev. A

User’s Guide User’s Guide User’s Guide User’s Guide User’s Guide User’s Guide

LTO-4 (Model B) Half-Height Tape Drive

LTO-4 (Model B)

Quantum LTO-4 (Model B) Half-Height Tape Drive User’s Guide, P/N 6-66846-01 Rev. A, January

2010. Product of U.S.A.

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.

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 (Model B) Half-Height Tape Drive User’s Guide iii

Contents

Preface xi

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 (Model B) Half-Height Tape Drive . . . . . . . . 6

Handling Precautions and Installation Guidelines . . . . . . . . . . . 6

Preinstallation Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Unpacking and Inspecting the Drive . . . . . . . . . . . . . . . . . . . . . 8

Installing the Internal LTO-4 (Model B) Half-Height Tape Drive . . . . . . . 8

Configuring the Internal Parallel SCSI Tape Drive . . . . . . . . . . . 9

Mounting the Internal Tape Drive . . . . . . . . . . . . . . . . . . . . . . 12

Connecting the Internal Drive Interface and DC Power Cables 13

Restarting the Internal Tape Drive System. . . . . . . . . . . . . . . . 15

Installing the Tabletop LTO-4 (Model B) Half-Height Tape Drive . . . . . 16

Contents

iv LTO-4 (Model B) Half-Height Tape Drive User’s Guide

Configuring the Tabletop Parallel SCSI Tape Drive . . . . . . . . . 17

Connecting the Tabletop Drive Interface and AC Power

Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Restarting the Tabletop Drive System . . . . . . . . . . . . . . . . . . . 22

Installing the LTO Driver Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Registering the LTO-4 (Model B) Half-Height Tape Drive . . . . . . . . . . . 23

Chapter 3 Operation 25

Understanding the Front Panel Display . . . . . . . . . . . . . . . . . . . . . . . . 25

Using LTO Tape Cartridges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Loading a Tape Cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Unloading a Tape Cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Write Protecting a Tape Cartridge. . . . . . . . . . . . . . . . . . . . . . 31

Tape Cartridge Care and Maintenance . . . . . . . . . . . . . . . . . . 32

Cleaning the Tape Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

.Performing an Emergency Cartridge Eject . . . . . . . . . . . . . . . . . . . . . 34

Chapter 4 Theory 35

Track Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Recording Method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Data Buffer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Data Integrity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Error-correction Code (ECC) . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Servo-tracking Faults. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Data Compression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Data Compression Considerations . . . . . . . . . . . . . . . . . . . . . 40

Intelligent Data Compression . . . . . . . . . . . . . . . . . . . . . . . . . 41

Chapter 5 Specifications 43

Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Power Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Drive Performance Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Contents

LTO-4 (Model B) Half-Height Tape Drive User’s Guide v

Environmental Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Injected Noise Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Reliability Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Mean Time Between Failures. . . . . . . . . . . . . . . . . . . . . . . . . . 50

Mean Time to Replace. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

LTO Cartridge Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Environmental Considerations . . . . . . . . . . . . . . . . . . . . . . . . 51

Cartridge Memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Cartridge Reliability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Chapter 6 Troubleshooting Guide 53

Installation Best Practices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Following SCSI Best Practices . . . . . . . . . . . . . . . . . . . . . . . . . 53

Using a Serial-attached SCSI Host Bus Adapter . . . . . . . . . . . . 54

HBA Preinstallation Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Troubleshooting Suggestions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Computer Does Not Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Computer Hardware Does Not Recognize the Tape Drive . . . . 55

Computer Software Does Not Recognized the Tape Drive . . . 56

Slow Backup Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Failed Operations TapeAlert Messages . . . . . . . . . . . . . . . . . . 60

Understanding LED Sequences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Appendix A Installation Checklists 71

Internal LTO-4 (Model B) Half-Height Tape Drive Quick Start . . . . . . . 71

Tabletop LTO-4 (Model B) Half-Height Tape Drive Quick Start . . . . . . . 72

Appendix B Disposal of Electrical & Electronic Equipment 75

Appendix C Regulatory Compliances 77

Safety Compliances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Electromagnetic Compatibility (EMC) Compliances . . . . . . . . . . . . . . . 78

Contents

vi LTO-4 (Model B) Half-Height Tape Drive User’s Guide

Index 81

LTO-4 (Model B) Half-Height Tape Drive User’s Guide vii

Figures

Figure 1 Internal LTO-4 (Model B) Half-Height Tape Drive . . . . . . . . 2

Figure 2 Internal Parallel SCSI ID Configuration Jumper Pins . . . . . 10

Figure 3 Internal Parallel SCSI Bus Termination Examples . . . . . . . . 11

Figure 4 Acceptable Mounting Orientation . . . . . . . . . . . . . . . . . . 12

Figure 5 Internal Tape Drive Mounting Hole Locations . . . . . . . . . . 13

Figure 6 Internal SCSI Drive Interface and DC Power Connectors . . 14

Figure 7 Internal SAS Drive Interface and DC Power Connectors . . 14

Figure 8 Tabletop Parallel SCSI ID Selector Switch . . . . . . . . . . . . . 18

Figure 9 Tabletop SCSI Interface and Power Cable Connectors. . . . 19

Figure 10 Tabletop SAS Interface and Power Cable Connectors . . . . 20

Figure 11 Tabletop Parallel SCSI Bus Termination Examples . . . . . . . 22

Figure 12 Front Panel Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Figure 13 Ultrium Tape Cartridge Write-Protect Switch . . . . . . . . . . 31

Figure 14 Layout of the Tracks on LTO Ultrium Tapes. . . . . . . . . . . . 36

Figure 15 LTO-4 (Model B) Half-Height Tape Drive Dimensions (front)44

Figure 16 LTO-4 (Model B) Half-Height Drive Dimensions (side) . . . 45

Figure 17 Front Panel Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Figures

viii LTO-4 (Model B) Half-Height Tape Drive User’s Guide

LTO-4 (Model B) Half-Height Tape Drive User’s Guide ix

Tab l es

Table 1 Performance Features and Capabilities . . . . . . . . . . . . . . . . 3

Table 2 Front Panel Display LED Blink Codes . . . . . . . . . . . . . . . . . 28

Table 3 Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Table 4 Voltage and Current Specifications. . . . . . . . . . . . . . . . . . 45

Table 5 Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Table 6 Drive Performance Specifications . . . . . . . . . . . . . . . . . . . 47

Table 7 Environmental Requirements . . . . . . . . . . . . . . . . . . . . . . 48

Table 8 Reliability Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Table 9 Environmental Tolerances. . . . . . . . . . . . . . . . . . . . . . . . . 51

Table 10 Tape Drive LED Sequences . . . . . . . . . . . . . . . . . . . . . . . . 67

Tables

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