Certance LTO-1 Guía de usuario Pagina 1

iOnline User's GuideLTO-1/LTO-2 Tape DrivesCERTANCE

101. IntroductionThe LTO-1 and LTO-2 are high-performance 8-channel tape drives that comply with the LTO inter-change specifications. Both drives are

Introduction Features11FeaturesThe following list summarizes the key features of the LTO-1 and LTO-2 drives.• Performance• LTO-1: Up to 16 Mbytes-per-

Introduction Using This Guide12Using This GuideThis User’s Guide describes how to install, configure, and care for the LTO-1 and LTO-2 desktop and int

132. Installation (and Quick Start)IntroductionThis chapter explains how to install the Internal LTO-1 and LTO-2 and desktop drives. Topics covered i

Installation (and Quick Start) Quick Start Guide14Internal LTO-1 Fibre Channel Tape Drive Quick StartUse the following procedure to install an interna

Installation (and Quick Start) Unpacking and Inspection15Desktop LTO-1 and LTO-2 Tape Drive Quick StartUse the following procedure to install desktop

Installation (and Quick Start) Drive Installation Instructions16• Before you remove the drive from the antistatic bag, touch a metal or grounded surfa

Installation (and Quick Start) Installing an Internal LTO-1 or LTO-2 Drive17Configuring an HVD or LVD DriveBefore you install the HVD or LVD tape driv

Installation (and Quick Start) Installing an Internal LTO-1 or LTO-2 Drive18Terminator PowerBy default, terminator power is disabled on internal LTO-1

Installation (and Quick Start) Installing an Internal LTO-1 or LTO-2 Drive19Mounting an Internal HVD or LVD DriveYou can mount the internal LTO-1 and

Copyright and TrademarksCopyright © 2003 by Certance LLC. All Rights Reserved.Part Number 50001007August 2003Certance and the Certance logo are tradem

Installation (and Quick Start) Installing an Internal LTO-1 or LTO-2 Drive20Connecting a SCSI CableThe internal LTO-1 and LTO-2 drives have an Ultra2

Installation (and Quick Start) Installing an Internal LTO-1 or LTO-2 Drive21Figure 7. Two SCSI Termination Examples for the Internal LTO-1 and LTO-2

Installation (and Quick Start) Installing an Internal LTO-1 or LTO-2 Drive22Connecting a Power CableAttach a four-pin power cable to the power connect

Installation (and Quick Start) Installing an Internal LTO-1 Fibre Channel Drive23Installing an Internal LTO-1 Fibre Channel DriveThis section describe

Installation (and Quick Start) Installing an Internal LTO-1 Fibre Channel Drive24Mounting the Internal FC DriveYou can mount the internal FC drive eit

Installation (and Quick Start) Installing an Internal LTO-1 Fibre Channel Drive25Figure 10. Internal LTO-1 FC Drive Mounting DimensionsConnecting a F

Installation (and Quick Start) Installing an Internal LTO-1 Fibre Channel Drive26Figure 11. FC Optical Connectors on the Back of the Internal LTO-1 F

Installation (and Quick Start) Installing an Internal LTO-1 Fibre Channel Drive27Connecting a Power CableAttach a four-pin power cable to the power co

Installation (and Quick Start) Installing a Desktop Drive28Installing a Desktop DriveThe desktop LTO-1 and LTO-2 tape drives) are compact subsystems t

Installation (and Quick Start) Installing a Desktop Drive29Connecting a SCSI CableThe desktop LTO-1 and LTO-2 drives have two 68-pin, shielded SCSI in

WarningsAll safety and operating instructions should be read before this product is operated, and should be retained for future reference. This unit h

Installation (and Quick Start) Installing a Desktop Drive30Connecting a Power CordAttach the power cord securely to the power connector on the back of

313. OperationThis chapter describes how to operate the LTO-1 and LTO-2 drives. Topics covered in this chapter are:• “Understanding the Front Panel D

Operation Blink Codes32All drives have four LEDs on the front panel. The LED colors and functions are summarized below.• Power LED (green) • LTO-2 onl

Operation Blink Codes33SCSI bus reset 1/4 sec ON 1/8 sec OFF1/4 sec ON 1/8 sec OFFServo initialization 1/2 sec ON 1/2 sec OFF1/2 sec ON 1/2 sec OFFPow

Operation Using LTO Cartridges34Using LTO CartridgesLoading a CartridgeTo load an Ultrium cartridge into LTO-1 and LTO-2 drives, place the cartridge i

Operation Using LTO Cartridges35Write-protecting a CartridgeUltrium cartridges have a sliding write-protect switch near the back right corner of the c

Operation Drive Maintenance36• Keep the cartridge away from direct sunlight and heat sources, such as radiators, heaters or warm air ducts.• Keep the

Operation Parking the Drive for Shipping37Parking the Drive for ShippingCertance recommends that you “park” LTO-1 and LTO-2 drives before shipping the

384. TheoryThis chapter describes operational theories used in the LTO-1 and LTO-2 drives.The topics covered in this chapter are:• “Track Layout” on

Theory Recording Method39LTO-1 DriveWith the LTO-1 drive, there are 384 data tracks on the LTO tape, numbered 0 through 383. Data track 383 is the tra

Precautions• Do not use oil, solvents, gasoline, paint thinners, or insecticides on the unit.• Do not expose the unit to moisture or to temperatures h

Theory Data Buffer40Data BufferIn their default configuration, both the LTO-1 and LTO-2 drives have a 64-Mbyte buffer. The buffer controller has a bur

Theory Data Integrity41C2 ECCC2 ECC involves three distinct operations:1. Encoding: Generating C2 ECC bytes from data bytes (performed by ECC co-proce

Theory Data Compression42Data CompressionTypical data streams of text, graphics, software code, or other forms of data contain repeated infor-mation o

Theory Data Compression43• Drive buffer size• Host computer input/output (I/O) speed• Effective disc speeds of the host computer• Record lengths that

445. SpecificationsThis chapter provides technical specifications for the LTO-1 and LTO-2 drives. The topics covered in this chapter are:• “Physical

Specifications Physical Specifications45Figure 19 shows the dimensions of the internal LTO-1 and LTO-2 HVD/LVD drives.Figure 19. Internal LTO-1 and L

Specifications Physical Specifications46Figure 20 shows the dimensions of the LTO-1 Fibre Channel drive.Figure 20. Internal LTO-1 Fibre Channel Drive

Specifications Power Specifications47Power SpecificationsThe desktop LTO-1 and LTO-2 drives come with a built-in 90-260VAC (47-63 Hz) automatic switch

Specifications Drive Performance Specifications48Drive Performance SpecificationsTable 10 on page 48 lists the performance specifications for the LTO-

Specifications Environmental Requirements49Environmental RequirementsTable 11 on page 49 lists the environmental specifications for the LTO-1 and LTO-

FCC NoticeThis equipment generates and uses radio frequency energy and, if not installed and used properly — that is, in strict accordance with the ma

Specifications Reliability50Injected NoiseThe internal drive operates without degradation of error rates with 100 mV of noise injected between the cha

Specifications LTO Cartridge Specifications51The Certance LTO drives are field-replaceable units. If a problem occurs with a subassembly or com-ponent

Specifications Regulatory Compliance52Regulatory ComplianceThese drives comply with the safety and EMC regulations listed in the following tables.Safe

Specifications Regulatory Compliance53* Member nations of the IECEE include Austria, Australia, Belgium, Canada, China (PR), Czech Republic, Denmark,

Specifications Regulatory Compliance54You should also consider the following safety points:• Install the drive in an enclosure that limits the user’s

556. Unix SettingsThis chapter describes how to configure various UNIX systems to recognize and obtain optimal per-formance from the LTO-1 and LTO-2

Unix Settings Configuring for the DEC/Compaq Unix Environment56Configuring for the DEC/Compaq Unix EnvironmentFinding Existing SCSI Controllers and De

Unix Settings Configuring for the Sun Environment (Solaris 2.4, 2.5, 2.6, 7, 8, and 9)57To enable the tape driver to turn on data compression when wri

Unix Settings Configuring for the Sun Environment (Solaris 2.4, 2.5, 2.6, 7, 8, and 9)58Configuring the Device File st.conf To configure Solaris 2.4 a

Unix Settings Configuring for the IBM AIX Environment (AIX Version 4.1.x and later)59Configuring for the IBM AIX Environment (AIX Version 4.1.x and la

viContentsChapter 1 - Introduction ... 10Features ...

Unix Settings Configuring for SCO Open Server 5.0.x608. Exit SMIT.Configuring for SCO Open Server 5.0.x Finding Existing SCSI Controllers and Devices

Unix Settings Configuring for SCO Open Server 5.0.x615. Enter the number of the SCSI bus attached to the drive. Refer to the SCSI adapter documenta-ti

Unix Settings Configuring for Linux62Configuring for LinuxFinding Existing SCSI Controllers and Devices Before installing the LTO-1 and LTO-2 tape dri

Unix Settings Configuring for SGI Irix63Configuring for SGI IrixFinding Current SCSI Controllers and Targets To properly attach SCSI devices to hosts

Unix Settings Configuring for HP-UX 11.064Configuring for HP-UX 11.0Finding Current Hardware/Driver Configuration To find currently installed SCSI con

657. InterfacesThis chapter describes the LTO-1 and LTO-2 drive interfaces.Topics in this chapter are:• “Parallel SCSI Interface” on page 65• “Fibre

Interfaces Fibre Channel Interface66SCSI-2 ANSI X3.131, 1994 conformance statement• Disconnect/reconnect, arbitration (required in SCSI-2)• Single-end

Interfaces Commands67Table 18. Supported SCSI Codes and Corresponding CommandsCode Command00h Test Unit Ready01h Rewind03h Request Sense05h Read Block

Interfaces Typical System Configurations68Tape Alert FlagsThe LTO-1 and LTO-2 drives support version 3.0 of the Tape Alert specification. The followin

Interfaces Typical System Configurations69Fibre Channel InterfaceThe Fibre Channel LTO-1 drive supports 128 arbitrated loop physical addresses. Up to

viiMean Time Between Failures ... 50LTO Cartridge Specifications ...

708. Troubleshooting GuideThis chapter contains best practices for getting the most out of your LTO-1 and LTO-2 tape drives. This chapter also contai

Troubleshooting Guide Troubleshooting Suggestions71• Clicking on Properties to view the Resources tab. In Unix/Linux systems, you may find information

Troubleshooting Guide Troubleshooting Suggestions72Computer Boots but Does not Recognize the Tape Drive1. Reboot the system and check whether the SCSI

Troubleshooting Guide Troubleshooting Suggestions736. If these suggestions do not help, the tape drive may be bad and Technical Support should be cont

Troubleshooting Guide Troubleshooting Suggestions74You should see output similar to:Detected SCSI tape st0 and scsi0 . . . Problems with Tape Drive an

Troubleshooting Guide Emergency Reset and Emergency Cartridge Eject754. If the Drive LED flashes, wait for the tape to eject (this may take up to 3 mi

Troubleshooting Guide Manually Removing a Cartridge76Manually Removing a CartridgeThe remainder of this section provides instructions for manually rem

Troubleshooting Guide Manually Removing a Cartridge77Figure 21. Diagram of LTO-1 and LTO-2 Drives with Leader Pin Inside LTO Cartridge (Tape Not Thr

Troubleshooting Guide Manually Removing a Cartridge78Figure 22. LTO-1 and LTO-2 Drive Worm Gear3. Continue turning the worm gear until the cartridge

Troubleshooting Guide Manually Removing a Cartridge79Cartridge is Loaded and Seated with Tape ThreadedIf the cartridge is loaded and seated, and the t

viiiList of FiguresFigure 1. Drives Covered in this User’s Guide ... 10Figure 2. Connector Label

Troubleshooting Guide Manually Removing a Cartridge80Figure 24. LTO-1 and LTO-2 Drive Lead Screw (Tape Threaded on Take-up Reel)2. Replace the drive

Troubleshooting Guide Manually Removing a Cartridge81Figure 25. Underside of LTO-1 and LTO-2 Drives Showing Supply Motor Access Hole5. When all of th

Troubleshooting Guide Manually Removing a Cartridge82Figure 26. LTO-1 and LTO-2 drives Showing the Tape Grabber Near the Cartridge10. When the leader

Troubleshooting Guide Manually Removing a Cartridge83Figure 27. LTO-1 and LTO-2 Drive Worm Gear14. Continue turning the worm gear until the cartridge

Troubleshooting Guide Manually Removing a Cartridge84Problems During Backup/Restore OperationsBackup FailuresA Backup failure can be caused by various

Troubleshooting Guide Manually Removing a Cartridge85Tape is Write ProtectedThe following troubleshooting steps start when software logged a TapeAlert

Troubleshooting Guide Manually Removing a Cartridge86If the tape did not eject and the LEDs show “POST Failure,” “Hardware or Firmware Error,” or “Man

Troubleshooting Guide Manually Removing a Cartridge87Slow BackupsThere are many factors that can make backups appear to be “slow.” To achieve the high

88IndexAAIX 4.1 settings 59BBackup/restore problems 84Best practices 70blink codes 32CCartirdgesremoving manually 76Cartridgescare and maintenance 35e

89connecting a serial cable 26installing the LTO driver 27mounting instructions 24overview 23Installing the LTO driverdesktop drives 30internal drives

ixList of TablesTable 1. SCSI IDs and Jumper Settings for LTO-1 and LTO-2 Drives... 18Table 2. Serial Interface Connector Pin

90internal drives 18Track layout 38Troubleshooting 71backup/restore problems 84Computer boots but does not recognize tape drive 72computer will not bo