Compaq 326817-003 manual Correcting Intermittent Failures

Page 64

Troubleshooting 6-7

Correcting Intermittent Failures

If the DAT AutoLoader works only intermittently:

1.Clean the tape drive’s heads.

2.Run the Compaq Diagnostics Utility and the tape drive Diagnostics Utility. Follow the steps listed in the Installation section of this chapter for the Compaq and tape diagnostics programs.

3.If the tape backup procedure starts correctly but then stops with an error:

a.Use test to check firmware revision level.

b.If the error occurs on the same file or directory each time, remove that file or directory from the backup list because it may be corrupted. Correct any errors that you find with the file system.

4.If the tape backup procedure starts correctly, but stops intermittently:

a.Check the DMA, IRQ, and port address settings for conflicts. If there is a conflict, change the setting or remove the conflicting board.

b.Try using a new tape cassette.

Check to make sure the DAT autoloader has the latest upgrade. If not, upgrade to the latest version.(Refer to the Compaq website address listed at the front of this guide for the latest options SoftPaq).

Image 64
Contents Compaq DAT AutoLoader Page Contents Installation Appendix B Index About This Guide Text ConventionsSymbols in Text Symbols on EquipmentRack Stability About This GuideGetting Help Compaq Technical SupportCompaq Website Compaq Authorized ResellerOverview Introduction to the DAT AutoLoaderFeatures Scsi Interface Reliability of Backup DevicesController Requirements Capacity Projected Duty CycleData Compression Tape Drive CapacityCassette Formats Compaq Approved CassettesDDS Logo Media DDS Logo MediaWrite-Protecting a Cassette Life Expectancy of Cassettes8Compaq DAT AutoLoader Reference Guide DAT AutoLoader Installation InstallationSoftware and Tool Requirements Hardware Settings Jumper Description DefaultSwitch Settings Setting the Scsi IDScsi Jumper Pins BitSwitch Settings AutoLoader configuration switchesData Compression Definitions DC Control-1 DC Control-2 DefinitionInstalling the DAT AutoLoader Preparing the ComputerInstalling the DAT AutoLoader without drive rails Connecting signal and power cables Reassembling the ComputerConnecting the Tabletop AutoLoader External AutoLoader Scsi and options switchesCompleting the Installation 10Compaq DAT AutoLoader Reference GuideInstalling Software Drivers Device DriversMicrosoft Windows NT Microsoft Windows NTController Software Driver Information Aspi Support Novell NetWareNovell NetWare OpenVMS Compaq Tru64 UnixSCO OpenServer Configuring the Scsi ID for SCO OpenServer SCO OpenServerSCO UnixWare SCO UnixWareSunSoft Solaris SunSoft SolarisBanyan Vines Banyan VinesOperation Introduction to Magazines and CassettesLoading the Magazine with Cassettes Labeling Cassettes and the MagazineEight-Cassette Configuration Front RearSeven-Cassette Configuration Single-Cassette ConfigurationTo Load the Magazine With Cassettes Inserting cassettes 3, 2, and 1 into the magazine SlotLoading the Magazine into AutoLoader Removing the Cassettes from the MagazineEjecting the Magazine Slide stopperForcing Cassette Ejection Random Mode Stacker ModeModes of Operation Callout Description Feature Front PanelCallout Feature Liquid Crystal Display LCDLCD Messages Alphabetical Listing LCD MessagesLCD Message Meaning Type LCD Messages Alphabetical Listing LCD Message Tape Represents the number of the cassette ReadySpace Status LCD Menu Screens Menu Screen FeaturesLCD Menu Screens LCD Menu Screens Menu ScreenCleaning Importance of Routine CleaningErrors Resulting from Cleaning Neglect DAT AutoLoader Cleaning Recommendations Importance of Compaq-Approved Tape CassettesProcedure for Cleaning the Heads Stacker Mode Procedure for Cleaning the Heads Random ModeQuick Checklist TroubleshootingHardware Software Installation Troubleshooting Installation TroubleshootingProblem Try This For Tru64 Unix Troubleshooting After InstallationFor Novell NetWare For Microsoft Windows NT Systems For SCO OpenServer SystemsResolving Magazine Problems Resolving Operating ProblemsFor IBM OS/2 Systems Correcting Intermittent Failures Regulatory Compliance Identification Numbers Regulatory Compliance NoticesFederal Communications Commission Class B Equipment Modifications Regulatory Compliance Notices A-3Canadian Notice Avis Canadien European Union NoticeJapanese Notice Taiwanese Notice Electrostatic Discharge Grounding Methods Specifications Dimensions and WeightTable C-1 Dimensions and Weight Dimension Internal AutoLoader Tabletop AutoLoaderPower Requirements Temperature and Humidity RangeAir-Cooling Requirement Suspended Particulate Table C-5Suspended Particulate Less than 150 microgram/mIndex See EOD Index TSL9000 Scsi ID#5 Enable Media Compaq DAT AutoLoader Reference Guide