Quantum LTO-2 manual Troubleshooting Suggestions

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Chapter 7 Troubleshooting Guide

Troubleshooting Suggestions

Ensure that the SCSI cable is of high quality and conforms to Ultra 2 SCSI specifications. A lesser quality cable or a cable that does not conform to the Ultra 2 SCSI specification may cause intermittent write/read errors, SCSI timeouts, and corrupted data.

Troubleshooting Suggestions

Computer will not

If the computer has booted up and operated properly prior to adding a

Boot

SCSI HBA and tape drive, but does not boot now:

 

 

1

Remove the SCSI HBA controller if it is installed.

 

 

2

Reboot the system.

 

 

 

• If the system boots normally, then there is a problem with the

 

 

 

 

SCSI HBA.

 

 

 

• Otherwise, ensure that SCSI HBA is compatible with system,

 

 

 

 

does not have burnt components. Reseat the SCSI HBA in a

 

 

 

 

different PCI slot and reboot the computer. If the system still

 

 

 

 

does not boot, contact Technical Support.

 

If the computer boots but does not recognize the tape drive reboot the

 

Computer Boots

but Does not

system and check whether the SCSI controller is seen at boot up. You

Recognize the

should see messages similar to:

Tape Drive

SCSI Adapter Manufacturer SCSI BOIS xxxxxxx

 

 

 

 

CHA: SCSI ID #,

SCSI Device Name

 

 

SCSI ID #,

SCSI Device Name”

 

 

If the SCSI Controller is not recognized during system boot, contact

 

 

 

Technical Support.

 

 

If the SCSI controller is recognized during system boot, determine

 

 

 

whether the tape drive is recognized when the SCSI controller scans

 

 

 

for devices. You should see messages similar to:

 

 

 

Bus

Target

Lun Device

 

 

 

0

0

0

CERTANCE ULTRIUM 2

If the tape drive is not recognized during the SCSI controller scan, check the Power LED to make sure the tape drive is receiving power.

LTO-2 Half-Height Tape Drive User’s Guide

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Contents 72 Copyright Statement Contents Chapter Operation Injected Noise Reliability Safety Compliance EMC ComplianceMean Time to Replace Chapter Troubleshooting Guide Figures Figures Viii Tables Tables Audience Purpose Document Organization PrefaceConventions NotationalTech Tip Contacts SCSI-2 SpecificationRelated DocumentsVisit our web site Customer SupportSend faxes for the Customer Support Department to Send e-mail for the Customer Support Department to1Introduction Features 2Installation and Quick Start Internal LTO-2 Half-Height Tape Quick Start GuideDrive Quick Start Desktop LTO-2 Internal Tape Drive Guidelines and Cautions Unpacking and InspectionInstalling an Internal LTO-2 Half-Height Tape Drive Drive Installation InstructionsScsi ID Jumper PinsScsi ID=8 Terminator Power Open Shunted DefaultJumpers Horizontally or vertically see figure MountingWithin 5 degrees of horizontal Internal LTO Half-Height Tape Drive Mounting Dimensions Rear View Internal LTO-2 Half-Height Tape Drive Tape Libraries Connecting aChecking the Scsi Termination Serial Cable forCable Connecting a PowerInstalling the LTO Driver Pin Numbers DescriptionInstalling a Desktop LTO-2 Half-Height Tape Drive Desktop LTO-2 Half-Height Tape Drive CordLTO-2 Half-Height Tape Drive User’s Guide 3Operation Generic Front Panel Display Understanding the Front Panel DisplayEOT Blink CodesCartridge Using LTO CartridgesLoading a Cartridge Unloading a Cartridge Write-protecting aCartridge Care MaintenanceRetensioning the Tape Drive MaintenanceOperation Drive Maintenance Operation Drive Maintenance Track Layout 4TheoryShows the layout of data on an LTO tape Data Buffer Recording MethodData Integrity C1 ECC Tracking is re-established FaultsData Compression Servo-trackingData Compression Considerations Compression Intelligent DataPage 5Specifications Internal Scsi Drive Specification Without Bezel With Bezel Physical SpecificationsInternal LTO-2 Half-Height Tape Drive Dimensions Specification +12 VDC + 5VDC Power SpecificationsIdle Power Watts RMS Standby Power Typical Operating Power Specification LTO-2 Drive Performance SpecificationsSpecification Value Environmental Requirements Specification Operational Non-operationalInjected Noise ReliabilityAt any frequency between 45 Hz and 20 MHz Mean Time Between Failures Specification DescriptionEnvironmental Considerations LTO Cartridge SpecificationsMean Time to ReplaceCartridge Memory Regulatory ComplianceReliability Country Regulatory Organization Compliant to EMC Compliance Country Regulatory Organization Compliant to Disposal of Electrical and Electronic Equipment 6UNIX Settings Word About Scsi Controllers Configuring for the DEC/Compaq Unix EnvironmentParameters Save the file. Then run the following commandControllers Finding CurrentTargets TypesDevice File ConfiguringSt.conf Smit Set the Block size to Enter Smit at the Tape Drive menu by typing smit tapeCurrent tape drives can be found using the command Configuring for SCO Open ServerUsing the command This command produces output similar toConfiguring the LTO-2 Half-Height Tape Drive with mkdev Finding Existing Scsi Controllers Devices Configuring for LinuxYou may see output similar to To find existing Scsi devices execute the commandYou should see output similar to Scsi controllers and devices use the command Configuring for SGI IrixOutput of the command will be similar to the following Configuration Configuring for HP-UXHardware/Driver Unix Settings Configuring for HP-UX Installation Best Practices 7Troubleshooting GuideClicking on Computer Management Device Manager Troubleshooting Suggestions Troubleshooting Guide Troubleshooting Suggestions Red Hat Linux Windows Operating SystemTape will not Load into Tape Drive Problems with Tape Drive and CartridgeTape will not Eject from the Drive LTO-2 Half-Height Tape Drive User’s Guide Problems During Backup/Restore Operations Emergency Reset and Emergency Cartridge EjectPreviously Written Data on the Tape will be Destroyed If either of the following messages appears Tape is Write Protected Miscellaneous TapeAlert MessagesLTO-2 Half-Height Tape Drive User’s Guide Slow Backups LTO-2 Half-Height Tape Drive User’s Guide Index Index Scsi ID Tape drive