HP Tape manual Is properly terminated

Page 85

The SCSI bus might be improperly terminated.

1. If your HP Surestore DLT1 drive is the last or

 

only device on the SCSI bus, make sure the device

 

is properly terminated.

 

2. If your HP Surestore DLT1 drive is not the last or

 

only device on the SCSI bus, check all SCSI cable

 

connections and make sure the last device on the

 

SCSI bus is terminated.

 

 

The SCSI terminator might not be at the end of

Make sure the terminators are placed only at each

the SCSI bus or more than two terminators

end of the SCSI bus--one at the host adapter and

might be present on the SCSI bus.

one on the last device on the bus, both internal

 

and external.

 

 

The SCSI host adapter might be in a defective

Move the SCSI host adapter to a different

expansion slot.

expansion slot.

 

 

The SCSI bus might be too long

Make sure the total length of the SCSI bus does not

 

exceed the ANSI SCSI standard of 3 meters (10

 

feet) for an SE bus, 12 meters (40 feet) for an LVD

 

SCSI bus with multiple devices, or 25 meters (82

 

feet) for an LVD SCSI bus with a single device.

 

 

There are fatal or non-fatal errors for which you cannot find the cause

 

 

Possible reason

Recommended action

 

 

The SCSI bus might be improperly terminated.

1. If your HP Surestore DLT1 drive is the last or

 

only device on the SCSI bus, make sure the drive is

 

properly terminated. Make sure only the last

 

device is terminated.

 

2. If your HP Surestore DLT1 drive is not the last or

 

only device on the SCSI bus, check all SCSI cable

 

connections and make sure the last device on the

 

SCSI bus is terminated.

The AC power source may not be properly

1. Plug the HP Surestore DLT1e Desktop Drive’s

grounded (HP Surestore DLT1e desktop drive

power cable into a power outlet on the same

only.)

circuit as the host server or workstation.

 

2. Plug the HP Surestore DLT1e Desktop Drive’s

 

power cable into a different power outlet.

Other sources of information

If you experience problems using your tape drive after installation, use HP Library & Tape Tools to help you diagnose the problem (see page 19).

You will also find troubleshooting information on the HP support web site: //www.hp.com/ support/dlt1 that takes you to HP’s Customer Care web site for a wide range of up-to-date information about your product.

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Contents Revision history CopyrightDate OctoberObtaining technical support North and south america Europe, middle east and africa Asia pacific Warranty conditions WarrantyWarranty ExclusionsCustomer service form Before you start If you have problems during self test Switching on the driveResetting the drive OperationFront panel lights Front panel lightsWrite Protected first light Ready second lightTo load a cartridge Loading and unloadingTo unload a cartridge To label a cartridgeCartridge care Cleaning strategy CleaningCleaning cartridge Cleaning the tape heads on a driveChoose your model from the bulleted list below Features and specificationsHp surestore dlt1i Non-operating limits storage ranges Hp surestore dlt1eDlt1e DLT1 compatibility matrix Media compatibilityAction Drive DLT4000 DLT7000Diagnostics Troubleshooting FAQs Frequently asked questionsScsi configuration Model This topic is available in English onlyDetermining the Scsi id HP-UX systems series 700 onlyCreating the device files ExampleDEC systems, Digital Unix Configuring for Digital UnixScsi configuration Unix configuration hp systems Configuring the device filesIBM RS/600 systems, AIX Device file names under AIXPC-based UNIX, SCO and Linux Mtcan and constants values Silicon Graphics systems, IrixHp-data values Sun systems, Solaris 2 SunOSFor all adapters Value MeaningVerifying the installation Verify the installationOverview System-specific argumentsGlossary Adapters Ordering suppliesRail kits MediaOrdering supplies DLT1 Secure the drive Scsi ID Scsi ribbon cable Scsi host bus adapterMounting bay Mounting hardwareBackup software Drivers HP product registrationUser documentation HP Library & Tape ToolsChecking the drive’s Scsi ID Page Preparing mounting bay in a Page Attaching tray for NetServer L-Series servers Page Installing the drive Page Attaching Scsi and power cables to internal drive Page Securing the drive side mounting screws shown Page Tape drive controls and indicators Ready Front panel LEDsWrite protecting cartridges Write-protecting cartridges Cleaning cartridgesLooking after cartridges Loading a cartridge To load a cartridge Check operationTo unload a cartridge Using HP Library & Tape Tools Page If you do not have internet access If you have Internet access, register electronicallyNone of the drive’s LEDs illuminate Other sources of information Page External tape drive Troubleshooting Connect the power cableCheck the drive’s Scsi ID Connect the Scsi cableScsi ID Scsi cable Backup software HP product registration Checking the Scsi ID Page Connecting the Scsi cable Page Connecting the power cable Page Tape drive front panel Front panel LEDs Write-protecting cartridges Write-protecting cartridges Loading a DLTtape cartridge Check operation Using HP Library & Tape Tools Page If you have internet access, register electronically All of the LEDs on the front panel blink continually None of the drive’s LEDs illuminateIs properly terminated