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Certance LTO 1 User Manual

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C E R T A N C E
Online User's Guide
LTO - 1 / LTO - 2 Ta p e D r i ve s
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Summary of Contents for Certance LTO 1

  • Page 1 C E R T A N C E Online User's Guide LTO - 1 / LTO - 2 Ta p e D r i ve s...

  • Page 2: Copyright And Trademarks

    Copyright and Trademarks Copyright © 2003 by Certance LLC. All Rights Reserved. Part Number 50001007 August 2003 Certance and the Certance logo are trademarks of Certance LLC. Seagate is a trademark of Seagate Technol- ogy LLC. Other product names are trademarks or registered trademarks of their respective owners. Certance reserves the right to change, without notice, product offerings or specifications.
  • Page 3 Warnings All safety and operating instructions should be read before this product is operated, and should be retained for future reference. This unit has been engineered and manufactured to assure your personal safety. Improper use can result in potential electrical shock or fire hazards. In order not to defeat the safeguards, observe the follow- ing basic rules for installation, use and servicing.
  • Page 4 Precautions Do not use oil, solvents, gasoline, paint thinners, or insecticides on the unit. • Do not expose the unit to moisture or to temperatures higher than 151 °F (66 °C) or lower than • -40 °F (-40°C). Keep the unit away from direct sunlight, strong magnetic fields, excessive dust, humidity, and •...

  • Page 5: Fcc Notice

    FCC Notice This equipment generates and uses radio frequency energy and, if not installed and used properly — that is, in strict accordance with the manufacturer's instructions — may cause interference to radio communications or radio and television reception. It has been tested and found to comply with the limits for a Class B computing device in accordance with the specifications in Part 15 of FCC Rules, which are designed to provide reason- able protection against such interference in a residential installation.

  • Page 6: Table Of Contents

    Contents Chapter 1 - Introduction ... 10 ... 11 Features ... 12 Using This Guide Chapter 2 - Installation (and Quick Start) ... 13 ... 13 Introduction ... 13 Quick Start Guide Unpacking and Inspection Internal Tape Drive Guidelines and Cautions Drive Installation Instructions Installing an Internal LTO-1 or LTO-2 Drive Installing an Internal LTO-1 Fibre Channel Drive...
  • Page 7 Mean Time Between Failures LTO Cartridge Specifications ... 52 Regulatory Compliance Chapter 6 - Unix Settings ... 55 A Word About SCSI Controllers Configuring for the DEC/Compaq Unix Environment Configuring for the Sun Environment (Solaris 2.4, 2.5, 2.6, 7, 8, and 9) Configuring for the IBM AIX Environment (AIX Version 4.1.x and later) Configuring for SCO Open Server 5.0.x ...
  • Page 8 List of Figures Figure 1. Drives Covered in this User’s Guide (typical) ... 10 Figure 2. Connector Labels ... 16 Figure 3. Internal LTO-1 and LTO-2 Drive Jumper Settings ... 17 Figure 4. Acceptable Mounting Orientations... 19 Figure 5. Internal LTO-1 and LTO-2 Drive Mounting Dimensions ... 19 Figure 6.
  • Page 9 List of Tables Table 1. SCSI IDs and Jumper Settings for LTO-1 and LTO-2 Drives... 18 Table 2. Serial Interface Connector Pin Assignments (LTO-1) ... 21 Table 3. Serial Interface Connector Pin Assignments (LTO-2) ... 22 Table 4. Loop IDs and Corresponding Jumper Settings ... 24 Table 5.

  • Page 10: Chapter 1 - Introduction

    1. Introduction The LTO-1 and LTO-2 are high-performance 8-channel tape drives that comply with the LTO inter- change specifications. Both drives are suited for mid-range to high-end servers, mainframe systems, and tape library automation systems. Both drives use Ultrium data cartridges. Their capacity is maximized using intelligent data compression.

  • Page 11: Features

    Introduction Features The following list summarizes the key features of the LTO-1 and LTO-2 drives. Performance • LTO-1: Up to 16 Mbytes-per-second native transfer. • LTO-2: Up to 34 Mbytes--per-second native transfer. • FastSense™ — optimizes data transfers, resulting in shorter backup times and increased •...

  • Page 12: Using This Guide

    Introduction Using This Guide This User’s Guide describes how to install, configure, and care for the LTO-1 and LTO-2 desktop and internal tape drives. Please read the appropriate chapters and appendixes carefully, and keep this Guide handy for future reference. Chapter 1, Introduction provides an overview of LTO and Ultrium technology, and sum- •...

  • Page 13: Chapter 2 - Installation (And Quick Start)

    2. Installation (and Quick Start) Introduction This chapter explains how to install the Internal LTO-1 and LTO-2 and desktop drives. Topics covered in this chapter are: “Quick Start Guide” on page 13 • “Unpacking and Inspection” on page 15 • “Internal Tape Drive Guidelines and Cautions”...
  • Page 14 Installation (and Quick Start) ❑ Connect a serial cable, if connecting the tape drive to a tape library. See “Connecting a Serial Cable for Tape Libraries” on page 21. ❑ Connect a power cable to the drive. See “Connecting a Power Cable” on page 22. ❑...

  • Page 15: Unpacking And Inspection

    Installation (and Quick Start) Desktop LTO-1 and LTO-2 Tape Drive Quick Start Use the following procedure to install desktop LTO-1 and LTO-2 tape drives. Print this page and check each step as you complete it. If you need more information about a step, turn to the section referenced in the step.

  • Page 16: Drive Installation Instructions

    Installation (and Quick Start) Always lay the drive either on top of the antistatic bag or place it inside of the bag to reduce • the chance of damage from static discharge. Install HVD drives only in an HVD environment, Fibre Channel drives only in a Fibre Channel •...

  • Page 17: Figure 3. Internal Lto-1 And Lto-2 Drive Jumper Settings

    Installation (and Quick Start) Configuring an HVD or LVD Drive Before you install the HVD or LVD tape drive in your computer, you may need to configure the drive’s SCSI ID and terminator power features. The default configuration settings for the LTO-1 and LTO-2 drives are: SCSI ID: 6 •...

  • Page 18: Table 1. Scsi Ids And Jumper Settings For Lto-1 And Lto-2 Drives

    Installation (and Quick Start) Table 1. SCSI IDs and Jumper Settings for LTO-1 and LTO-2 Drives Jumpers SCSI ID 1–2 Open Shunted Open Shunted Open Shunted 6 (default) Open Open Shunted Open Shunted Open Shunted Open Shunted Terminator Power By default, terminator power is disabled on internal LTO-1 and LTO-2 tape drives. To enable termina- tor power, place a jumper across pins 11 and 12.

  • Page 19: Figure 4. Acceptable Mounting Orientations

    Installation (and Quick Start) Mounting an Internal HVD or LVD Drive You can mount the internal LTO-1 and LTO-2 drives either horizontally or vertically, with the drives left side facing up (see Figure 4 on page 19). If you mount the drive vertically, the left side of the drive must face up and the side of the drive •...

  • Page 20: Figure 6. Rear View Of The Internal Lto-1 (Left) And Lto-2 (Right) Drives

    Installation (and Quick Start) Connecting a SCSI Cable The internal LTO-1 and LTO-2 drives have an Ultra2 SCSI interface, terminated by either a 68-pin HVD or LVD SCSI connector. Use the following procedure to connect a SCSI cable to this connector. Turn off all power to the drive and the computer.

  • Page 21: Figure 7. Two Scsi Termination Examples For The Internal Lto-1 And Lto-2 Drives

    Installation (and Quick Start) SCSI Terminator Tape drive termination ) SCSI device ( termination disabled ) SCSI Controller (termination enabled) Figure 7. Two SCSI Termination Examples for the Internal LTO-1 and LTO-2 Drives Connecting a Serial Cable for Tape Libraries The Internal LTO-1 and LTO-2 drives include an RS-422 serial interface for tape libraries.

  • Page 22: Table 3. Serial Interface Connector Pin Assignments (Lto-2)

    Installation (and Quick Start) Table 3. Serial Interface Connector Pin Assignments (LTO-2) Pin Numbers Description Lib RXD-P Lib RXD-N Lib TXD-N Lib TXD-P ACI_DRV_SEN_L ACI_LIB_SEN_L ACI_RST_L SCSI_ATN_L Connecting a Power Cable Attach a four-pin power cable to the power connector on the back of the drive. Figure 6 on page 20 shows the location of the power connector.

  • Page 23: Installing An Internal Lto-1 Fibre Channel Drive

    Installation (and Quick Start) Installing an Internal LTO-1 Fibre Channel Drive This section describes how to install an internal LTO-1 drive equipped with a Fibre Channel LC Opti- cal (FC) interface. Installing an internal LTO-1 FC drive involves the following steps: “Configuring the Internal Fibre Channel Drive”...

  • Page 24: Figure 9. Acceptable Mounting Orientations

    Installation (and Quick Start) Table 4. Loop IDs and Corresponding Jumper Settings Jumpers Loop ID 13–14 0 (default) Open Shunted Open Shunted Open Shunted Open Shunted NOTE: Setting an invalid ID (7Fh or 7Eh) causes the drive not to participate in LIHA and to instead attempt to acquire an address during the LISA (soft address) phase of LIP.

  • Page 25: Figure 10. Internal Lto-1 Fc Drive Mounting Dimensions

    Installation (and Quick Start) Figure 10. Internal LTO-1 FC Drive Mounting Dimensions Connecting a Fibre Channel Cable The internal LTO-1 FC drive has two FC connectors that can connect to either a hub or a switch. In systems that support failover, both FC connectors can be used to allow hosts to maintain a connec- tion with the drive if one connection fails.

  • Page 26: Figure 11. Fc Optical Connectors On The Back Of The Internal Lto-1 Fc Drive

    Installation (and Quick Start) Figure 11. FC Optical Connectors on the Back of the Internal LTO-1 FC Drive Connecting a Serial Cable for Tape Libraries The Internal LTO-1 FC drive includes an RS-422 serial interface for tape libraries. This connector is located on the lower left side of the back of the drive (see Figure 12 on page 26).

  • Page 27: Figure 13. Power Connector On The Back Of The Internal Lto-1 Fc Drive

    Installation (and Quick Start) Table 5. Serial Interface Connector Pin Assignments (Continued) Pin Numbers Description Lib RXp (input to drive, receive positive) 9 through 18 Reserved (do not use) Connecting a Power Cable Attach a four-pin power cable to the power connector on the back of the drive. Figure 13 on page 27 shows the location of the power connector on internal LTO-1 FC drive.

  • Page 28: Installing A Desktop Drive

    Installation (and Quick Start) Installing a Desktop Drive The desktop LTO-1 and LTO-2 tape drives) are compact subsystems that connect to the host computer through a SCSI port. Installing a desktop drive involves the following steps: “Setting the SCSI ID” on page 28 “Connecting a SCSI Cable”...

  • Page 29: Figure 15. Scsi Termination Examples For The Desktop Lto-1 And Lto-2 Tape Drives

    Installation (and Quick Start) Connecting a SCSI Cable The desktop LTO-1 and LTO-2 drives have two 68-pin, shielded SCSI interface connectors (ANSI Alternative 2) on the rear panel (see Figure 14 on page 28). These connectors consist of two rows of ribbon contacts spaced 2.16 mm (0.085 in) apart.

  • Page 30: Connecting A Power Cord

    Installation (and Quick Start) Connecting a Power Cord Attach the power cord securely to the power connector on the back of the desktop LTO-1 or LTO-2 drive (see Figure 14 on page 28). Installing the LTO Driver If you intend to use your drive with either the Microsoft Windows Server 2003, Windows XP, or Microsoft Windows 2000 operating system, install the LTO driver.

  • Page 31: Chapter 3 - Operation

    3. Operation This chapter describes how to operate the LTO-1 and LTO-2 drives. Topics covered in this chapter are: “Understanding the Front Panel Display” on page 31 • “Blink Codes” on page 32 • “Using LTO Cartridges” on page 34 •...

  • Page 32: Blink Codes

    Operation All drives have four LEDs on the front panel. The LED colors and functions are summarized below. Power LED (green) • Status LED (amber) • Error LED (orange) • Activity LED (green) • The Status, Error, and Activity LEDs blink or go on to indicate information about the tape drive. For more information about the “blink codes”...

  • Page 33: Table 7. Lto-2 Tape Drive Blink Codes

    Operation Table 6. LTO-1 Tape Drive Blink Codes (Continued) Drive Condition Power On Self Test (POST) in progress Cleaning failure Microcode download Microcode download error Table 7. LTO-2 Tape Drive Blink Codes Drive Condition Cleaning Request Hardware error Positioning – loading, unloading, rewinding, spacing, or locating Tape Active –...

  • Page 34: Using Lto Cartridges

    Operation Using LTO Cartridges Loading a Cartridge To load an Ultrium cartridge into LTO-1 and LTO-2 drives, place the cartridge in the slot and then gently push it. Then: Continue to push the cartridge the rest of the way into the drive; or, •...

  • Page 35: Figure 17. Ultrium Cartridge Showing Write-Protect Switch

    Then retention the tape (as described below) to allow the tape pack to become stable, for better per- formance. If, during storage and/or transportation, a data cartridge has been exposed to conditions outside the above range, it must be conditioned before use in the operating environment. The conditioning process requires exposure to the operating environment for a time equal to, or greater than, the time away from the operating environment, up to a maximum of 24 hours.

  • Page 36: Drive Maintenance

    Operation Keep the cartridge away from direct sunlight and heat sources, such as radiators, heaters or • warm air ducts. Keep the cartridge away from sources of electromagnetic fields, such as telephones, computer • monitors, dictation equipment, mechanical or printing calculators, motors, magnetic tools, and bulk erasers.

  • Page 37: Parking The Drive For Shipping

    Operation Parking the Drive for Shipping Certance recommends that you “park” LTO-1 and LTO-2 drives before shipping them or placing them in an environment where they may be subject to physical shock. Parking the drives moves the tape mechanism to the configuration that is resilient to shock. You can park the LTO-1 and LTO-2 drives using the Load/Unload button on the front of the drive, or by running special software on your host system.

  • Page 38: Chapter 4 - Theory

    4. Theory This chapter describes operational theories used in the LTO-1 and LTO-2 drives. The topics covered in this chapter are: “Track Layout” on page 38 • “Recording Method” on page 39 • “Data Buffer” on page 40 • “Data Integrity” on page 40 •...

  • Page 39: Recording Method

    Theory LTO-1 Drive With the LTO-1 drive, there are 384 data tracks on the LTO tape, numbered 0 through 383. Data track 383 is the track closest to the bottom edge of the tape (the reference edge). The area between adjacent servo bands is a data band.

  • Page 40: Data Buffer

    Theory Data Buffer In their default configuration, both the LTO-1 and LTO-2 drives have a 64-Mbyte buffer. The buffer controller has a burst transfer rate of 320 Mbytes/sec, and utilizes bank switching to achieve a max- imum average bandwidth of nearly 240 Mbytes/sec. The high bandwidth is needed to support look- aside data compression in the case of compressible data being transferred from SCSI at 80 Mbytes/ sec.

  • Page 41: Servo-Tracking Faults

    Theory C2 ECC C2 ECC involves three distinct operations: Encoding: Generating C2 ECC bytes from data bytes (performed by ECC co-processor hard- ware) Decoding: Generating ECC syndromes from data and ECC bytes, testing for all-zeroes (per- formed by ECC co-processor hardware) Correction: Generating corrected data from syndromes.

  • Page 42: Data Compression

    Storage efficiency is increased if the redundancies or repetition in the data are removed before the data is recorded to tape. Data compression technology significantly reduces or eliminates redundan- cies in data before recording the information to tape.

  • Page 43: Intelligent Data Compression

    Theory Drive buffer size • Host computer input/output (I/O) speed • Effective disc speeds of the host computer • Record lengths that the host computer transmits • Data compression algorithms can be tailored to provide maximum compression for specific types of data.

  • Page 44: Chapter 5 - Specifications

    5. Specifications This chapter provides technical specifications for the LTO-1 and LTO-2 drives. The topics covered in this chapter are: “Physical Specifications” on page 44 • “Power Specifications” on page 47 • “Drive Performance Specifications” on page 48 • “Environmental Requirements” on page 49 •...

  • Page 45: Figure 19. Internal Lto-1 And Lto-2 Hvd/Lvd Drive Dimensions

    Specifications Physical Specifications Figure 19 shows the dimensions of the internal LTO-1 and LTO-2 HVD/LVD drives. Figure 19. Internal LTO-1 and LTO-2 HVD/LVD Drive Dimensions...

  • Page 46: Figure 20. Internal Lto-1 Fibre Channel Drive Dimensions

    Specifications Physical Specifications Figure 20 shows the dimensions of the LTO-1 Fibre Channel drive. Figure 20. Internal LTO-1 Fibre Channel Drive Dimensions...

  • Page 47: Power Specifications

    Specifications Power Specifications The desktop LTO-1 and LTO-2 drives come with a built-in 90-260VAC (47-63 Hz) automatic switch- ing power supply. Maximum voltage and power specifications for the internal LTO-1 and LTO-2 drives are listed in the tables below. Specifications are the same for SCSI and Fibre Channel drives unless otherwise noted. Table 9.

  • Page 48: Drive Performance Specifications

    Specifications Table 10. Power Dissipation (Continued) Specification Max Peak Operating Power Ultra2 SCSI LVD; Ultra SCSI HVD Fibre Channel * RMS parameters measured at the power connector using a true RMS digital meter. Drive Performance Specifications Table 11 on page 48 lists the performance specifications for the LTO-1 and LTO-2 drives. Table 11.

  • Page 49: Environmental Requirements

    Specifications Table 11. Drive Performance Specifications Specification Asynchronous transfer rate (burst) Cartridge unload time Average rewind time (609-m tape) Maximum rewind time (609-m tape) Average data access time (609-m tape) from BOW Maximum data access time (609-m tape) from BOW Average rewind time (609-m tape) Tape speed Environmental Requirements...

  • Page 50: Reliability

    Specifications Injected Noise The internal drive operates without degradation of error rates with 100 mV of noise injected between the chassis and 0 V at the power connector at any frequency between 45 Hz and 20 MHz. Reliability The LTO-1 and LTO-2 drives are designed for maximum reliability and data integrity. Table 13 on page 50 summarizes the reliability specifications.

  • Page 51: Lto Cartridge Specifications

    Wet bulb temperature Max localized temperature-permanent tape damage If during storage and/or transportation a cartridge has been exposed to conditions outside the above values, it must be conditioned before use in the operating environment. The conditioning shall be exposure to the operating environment for a time equal to, or greater than, the time away from the operating environment, up to a maximum of 24 hours.

  • Page 52: Regulatory Compliance

    Specifications Regulatory Compliance These drives comply with the safety and EMC regulations listed in the following tables. Safety Compliance Table 15. Safety Compliance Country United States Canada Germany Mexico Singapore South Korea Argentina China EU member nations Member nations of IECEE* Hungary Czech Republic Poland...

  • Page 53: Table 16. Electromagnetic Compatibility

    Specifications * Member nations of the IECEE include Austria, Australia, Belgium, Canada, China (PR), Czech Republic, Denmark, Finland, France, Germany, Hungary, India, Ireland, Israel, Italy, Japan, (South) Korea, Netherlands, Norway, Poland, Russian Federation, Singapore, Slovakia, Slovenia, South Africa, Spain, Switzerland, United Kingdom, USA, Yugoslavia. Electromagnetic Compatibility (EMC) Table 16.
  • Page 54 Specifications You should also consider the following safety points: Install the drive in an enclosure that limits the user’s access to live parts, gives adequate system • stability and provides the necessary grounding for the drive. Provide the correct voltages (+5 VDC and +12 VDC) based on the regulation applied—Extra •...

  • Page 55: Chapter 6 - Unix Settings

    6. Unix Settings This chapter describes how to configure various UNIX systems to recognize and obtain optimal per- formance from the LTO-1 and LTO-2 tape drives. The topics covered in this chapter are: “A Word About SCSI Controllers” on page 55 •...

  • Page 56: Configuring For The Dec/Compaq Unix Environment

    /* and */ or //, as used in C. Make sure any comments included in this file are preceded with the # character. If installing a Seagate LTO 1 drive, the name should be: "Name="SEAGATE " "ULTRIUM 06242."...

  • Page 57: Configuring For The Sun Environment (Solaris 2.4, 2.5, 2.6, 7, 8, And 9)

    Unix Settings Configuring for the Sun Environment (Solaris 2.4, 2.5, 2.6, 7, 8, and 9) To enable the tape driver to turn on data compression when writing data to tape use the .c. option. For commands that use density and tape size settings, the tape density is 124,000 bpi and the tape length is 1800 feet.
  • Page 58 "CERTANCEULTRIUM 2","Seagate LTO","SEAGATE_LTO"; SEAGATE_LTO=1,0x36,0,0x1d639,4,0x00,0x00,0x00,0x00,1; NOTE: If installing a Seagate LTO 1 tape drive, replace "CERTANCEULTRIUM 2" with "SEAGATE ULTRIUM06242-XXX." The inquiry string above contains one space between SEAGATE and ULTRIUM. The value 0x1d639 equates to the way that the LTO-1 and LTO-2 drives are configured to operate in the Solaris environment.

  • Page 59: Configuring For The Ibm Aix Environment (Aix Version 4.1.X And Later) 59

    Unix Settings Configuring for the IBM AIX Environment (AIX Version 4.1.x and later) Configuring for the IBM AIX Environment (AIX Version 4.1.x and later) Finding Existing SCSI Controllers and Devices Enter the following command: lsdev–Cs scsi. This shows all the SCSI target IDs known to the system.

  • Page 60: Configuring For Sco Open Server 5.0.X

    Unix Settings Exit SMIT. NOTE: We suggest using the AIX commands .backup. and .restore when transferring data to and from the LTO-1 and LTO-2 drives. These commands transfer data more quickly than other commands such as tar and cpio. For cpio we suggest a blocking factor of 128. For tar we sug- gest using the .N option and a factor of 128.
  • Page 61 Unix Settings Enter the number of the SCSI bus attached to the drive. Refer to the SCSI adapter documenta- tion. For many adapters this will be zero (0). Enter the SCSI ID of the tape drive. Enter the number zero (0) for the LUN of the device. When prompted to Update the SCSI configuration? (y/n), enter y.

  • Page 62: Configuring For Linux

    Unix Settings Configuring for Linux Finding Existing SCSI Controllers and Devices Before installing the LTO-1 and LTO-2 tape drives, ensure that the requisite SCSI controllers and device drivers are installed on your system. To find existing SCSI controllers execute the command: dmesg grep You may see output similar to:...

  • Page 63: Configuring For Sgi Irix

    After modifying the configuration file, recompile the kernel with the autoconfig command and reboot the system. If you are replacing an existing storage device with the same SCSI ID remove the device files prior to using the autoconfig command and rebooting the system.

  • Page 64: Configuring For Hp-Ux 11.0

    Unix Settings Configuring for HP-UX 11.0 Finding Current Hardware/Driver Configuration To find currently installed SCSI controllers and devices, use the command can ioscan–f. This com- mand lists all the system devices and their device names. Attaching the LTO-1 and LTO-2 drives Choose a SCSI address that does not conflict with any already attached SCSI devices on your SCSI controller.

  • Page 65: Chapter 7 - Interfaces

    7. Interfaces This chapter describes the LTO-1 and LTO-2 drive interfaces. Topics in this chapter are: “Parallel SCSI Interface” on page 65 • “Fibre Channel Interface” on page 66 • “Commands” on page 66 • “Typical System Configurations” on page 68 •...

  • Page 66: Fibre Channel Interface

    Interfaces SCSI-2 ANSI X3.131, 1994 conformance statement Disconnect/reconnect, arbitration (required in SCSI-2) • Single-ended drivers • Termination power supplied to cable (jumper option) • Hard reset • Synchronous data transfers • Parity implemented (switch option) • Fibre Channel Interface The Fibre Channel interface for the LTO-1 tape drive conforms with the ANSI/INCITS FCP-2, FC-PH, FC-PH-2, FC-PH-3, and FC-AL standards, as well as with the FC-TAPE, FC-MI, FC-PLDA, and FC-FLA profiles.

  • Page 67: Table 19. Supported Scsi Codes And Corresponding Commands

    Interfaces Table 19. Supported SCSI Codes and Corresponding Commands Code Command Test Unit Ready Rewind Request Sense Read Block Limits Read Write Set Capacity (proposed for SSC-2) Write Filemarks Space Inquiry Verify Mode Select (6-byte version) Reserve Unit (6-byte version) Release Unit (6-byte version) Erase Mode Sense (6-byte version)

  • Page 68: Typical System Configurations

    Interfaces Tape Alert Flags The LTO-1 and LTO-2 drives support version 3.0 of the Tape Alert specification. The following flags are supported by the drive. Table 20. Tape Alert Flags Parameter Description Hard Error Media Read Failure Write Failure Write Protect Cleaning Media Irrecoverable Snapped Tape Memory in Cartridge Failure...
  • Page 69 Interfaces Fibre Channel Interface The Fibre Channel LTO-1 drive supports 128 arbitrated loop physical addresses. Up to 126 hosts and targets and one switch can be attached to a single loop. Due to the speed of the Fibre Channel LTO-1 drive, it is recommended that a maximum of two Fibre Channel LTO-1 drives be connected on one arbitrated loop.

  • Page 70: Chapter 8 - Troubleshooting Guide

    8. Troubleshooting Guide This chapter contains best practices for getting the most out of your LTO-1 and LTO-2 tape drives. This chapter also contains troubleshooting information you can use to identify and resolve tape drive problems in the unlikely even you encounter a problem with your tape drive. Topics covered in this chapter are: “Installation Best Practices”...

  • Page 71: Troubleshooting Suggestions

    Troubleshooting Guide Clicking on Properties to view the Resources tab. • In Unix/Linux systems, you may find information on any currently installed SCSI HBA by viewing the boot log text file. Refer to your operating system documentation for specific information on reviewing your system configuration.

  • Page 72: Computer Boots But Does Not Recognize The Tape Drive

    Troubleshooting Guide Computer Boots but Does not Recognize the Tape Drive Reboot the system and check whether the SCSI controller is seen at boot up. You should see messages similar to: SCSI Adapter Manufacturer CHA: SCSI ID #, SCSI ID #, If the SCSI Controller is not recognized during system boot, contact Technical Support.

  • Page 73: Windows Operating System

    Troubleshooting Guide 6. If these suggestions do not help, the tape drive may be bad and Technical Support should be contacted. Desktop tape drive: 1. Power down system. 2. Power cycle desktop tape drive. 3. Be sure there are no SCSI ID conflict between the tape drive and other SCSI devices. 4.
  • Page 74 Troubleshooting Guide You should see output similar to: Detected SCSI tape st0 and scsi0 . . . Problems with Tape Drive and Cartridge Tape will not Load into Tape Drive Verify that the tape drive’s Power Led is illuminated and that all other LEDs are off. If the Power LED is not illuminated, refer to the procedures for troubleshooting LEDs under “Computer Boots but Does not Recognize the Tape Drive”...

  • Page 75: Emergency Reset And Emergency Cartridge Eject

    Troubleshooting Guide If the Drive LED flashes, wait for the tape to eject (this may take up to 3 minutes). If the tape ejects, the problem has been resolved. If a message similar to the following appears when the eject button is pushed, use the mt offline command to eject the tape: You cannot eject the cartridge because the tape drive is in use.

  • Page 76: Manually Removing A Cartridge

    Troubleshooting Guide Manually Removing a Cartridge The remainder of this section provides instructions for manually removing a data cartridge from an LTO-1 or LTO-2 drive. You should only perform this procedure if you cannot remove the cartridge by pushing the buttons on the front of the drive or by issuing commands from a host device. This should only be necessary if you must remove a data cartridge prior to returning the drive to Certance.

  • Page 77: Figure 21. Diagram Of Lto-1 And Lto-2 Drives With Leader Pin Inside Lto Cartridge

    Troubleshooting Guide Figure 21. Diagram of LTO-1 and LTO-2 Drives with Leader Pin Inside LTO Cartridge (Tape Not Threaded on Take-up Hub) Cartridge is Loaded and Seated If the cartridge is loaded and seated and the leader pin is still inside the cartridge, follow these steps to remove the cartridge.

  • Page 78: Figure 22. Lto-1 And Lto-2 Drive Worm Gear

    Troubleshooting Guide Figure 22. LTO-1 and LTO-2 Drive Worm Gear Continue turning the worm gear until the cartridge is sticking out of the unit approximately 17 mm (0.66”). Then carefully pull the cartridge out by hand. After you have removed the cartridge, put the top cover back on the drive; then replace and tighten the screws.

  • Page 79: Figure 23. Lto-1 And Lto-2 Drive Key Components

    Troubleshooting Guide Cartridge is Loaded and Seated with Tape Threaded If the cartridge is loaded and seated, and the tape is entirely or partially threaded into the drive, fol- low these steps. To perform these steps you will need a small, flat-blade screwdriver and a 1.5-mm hex wrench.

  • Page 80: Figure 24. Lto-1 And Lto-2 Drive Lead Screw (Tape Threaded On Take-Up Reel)

    Troubleshooting Guide Figure 24. LTO-1 and LTO-2 Drive Lead Screw (Tape Threaded on Take-up Reel) Replace the drive cover to protect the gear and spooling assemblies. You do not need to replace all the screws. Turn the drive upside down. Insert the 1.5-mm hex wrench through the hole in the bottom plate shown in Figure 25 on page 81.

  • Page 81: Figure 25. Underside Of Lto-1 And Lto-2 Drives Showing Supply Motor Access Hole

    Troubleshooting Guide Figure 25. Underside of LTO-1 and LTO-2 Drives Showing Supply Motor Access Hole When all of the tape has been spooled off of the take-up reel, turn the drive right side up. Rotate the hub to align the slot in the hub with the slot on the drive chassis (see Figure 23 on page 79).

  • Page 82: Figure 26. Lto-1 And Lto-2 Drives Showing The Tape Grabber Near The Cartridge

    Troubleshooting Guide Figure 26. LTO-1 and LTO-2 drives Showing the Tape Grabber Near the Cartridge 10. When the leader pin and the tape grabber reach the cartridge, gently push the grabber toward the front of the cartridge. Use the grabber to push the leader pin gently into the car- tridge until it seats in place (you should hear a click).

  • Page 83: Figure 27. Lto-1 And Lto-2 Drive Worm Gear

    Troubleshooting Guide Figure 27. LTO-1 and LTO-2 Drive Worm Gear 14. Continue turning the worm gear until the cartridge is sticking out of the unit approximately 17 mm (0.66”). Then carefully pull the cartridge out by hand. 15. After you have removed the cartridge, put the top cover back on the drive; then replace and tighten the screws.
  • Page 84 Troubleshooting Guide Problems During Backup/Restore Operations Backup Failures A Backup failure can be caused by various reasons. The LTO-1 and LTO-2 tape drives support the TapeAlert standard. The following troubleshooting steps start when software logs a TapeAlert mes- sage. You can view the TapeAlert message either on the main console screen or in the backup soft- ware’s log file.
  • Page 85 Troubleshooting Guide Tape is Write Protected The following troubleshooting steps start when software logged a TapeAlert message. The TapeAlert message can be viewed either on the main console screen or in the backup software’s log file. There may be more than one TapeAlert message per backup failure event. The TapeAlert message or backup log shows, “You are trying to write to a write-protected cartridge.
  • Page 86 Troubleshooting Guide If the tape did not eject and the LEDs show “POST Failure,” “Hardware or Firmware Error,” or “Man- ual Intervention Required,” the drive may be bad. Contact Technical Support. If you have a problem with inserting a cleaning cassette and receive the message: “The last cleaning cartridge used in the tape drive has worn out: 1.

  • Page 87: Slow Backups

    Troubleshooting Guide Slow Backups There are many factors that can make backups appear to be “slow.” To achieve the highest possible transfer rate, the LTO-1 or LTO-2 tape drive MUST be attached to a Low Voltage Differential ( LVD ) SCSI controller capable of a minimum of 80 MB/s and MUST not share the same SCSI bus as another active SCSI device such as hard drives.
  • Page 88 Index AIX 4.1 settings 59 Backup/restore problems 84 Best practices 70 blink codes 32 Cartirdges removing manually 76 Cartridges care and maintenance 35 ejecting 75 loading 34 specifications 51 troubleshooting 74 unloading 34 write-protecting 35, 85 Cautions, internal drives 15 Checking SCSI termination desktop drives 29 internal drives 20, 29...
  • Page 89 connecting a serial cable 26 installing the LTO driver 27 mounting instructions 24 overview 23 Installing the LTO driver desktop drives 30 internal drives 22 internal Fibre Channel LTO-1 drive 27 Intelligent data compression 43 Interfaces Fibre Channel 66, 69 parallel SCSI 65, 68 Internal drives checking SCSI termination 20...
  • Page 90 internal drives 18 Track layout 38 Troubleshooting 71 backup/restore problems 84 Computer boots but does not recognize tape drive 72 computer will not boot 71 slow backups 87 tape drive not recognized by operating system or application 73 tape drives and cartridges 74 tape will not eject from drive 74 tapeAlert messages 85 Typical system configurations 68...

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