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HP DAT autoloader DAT 72x6e The server boots but does not recognize the autoloader, The application does not recognize the autoloader, The autoloader does not work

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The server boots but does not recognize the autoloader

Possible reason	Recommended action

The power or SCSI cable is not connected	Check that the cables to the autoloader are firmly
properly.	connected. Ensure that the SCSI cable does not have
	any bent pins. Replace, if necessary. (Refer to the
	www.hp.com/go/connect web site.)
The SCSI bus is not terminated correctly.	Check that the SCSI bus is actively terminated. (Refer
	also to the documentation for your SCSI controller
	and any other SCSI devices you may have.)
The autoloader’s SCSI ID address is not	Make sure that each device on the SCSI bus has a
unique.	unique ID.
	We recommend that the HP StorageWorks DAT
	autoloader is connected to a dedicated host bus
	adapter. Do not connect the drive to a disk RAID
	controller as this is not supported.
The autoloader was switched on after the	Switch on the autoloader and then reboot the server.
server booted up. The server only checks for
SCSI devices at power-on.

The application does not recognize the autoloader

Possible reason	Recommended action
The application does not support the	Use HP Library & Tape Tools to check that the drive is
autoloader.	installed properly. Refer to our World Wide Web site
	(www.hp.com/go/connect) for details of
	backup applications that support the
	HP StorageWorks DAT autoloader. Load any service
	packs as necessary.
Some applications require drivers to be	Check that the correct SCSI and autoloader drivers are
loaded.	installed. Consult the backup application’s installation
	notes for details.

The autoloader does not work

Possible reason	Recommended action
If the drive does not power up, the power	Make sure that the power switch and LED are on and
cable may not be connected to the	that the power cables are firmly connected. If they are,
autoloader properly.	the device has probably failed. Call for service.
If the self-test fails, (Operator Attention	Power down the autoloader and power it up again. If
Light is steady amber), there may be a	the self-test still fails, see “Understanding the OAR
hardware or firmware failure.	LED” on page 43.

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Contents

hp StorageWorks DAT autoloader Page Page Page External autoloaders - contents Pre-Installation Before you start page Backup software and drivers Product Details Before you start HP StorageWorks DAT models Which operating systems are supported How do I connect the autoloader to my server Why is the SCSI bus type important How can I check the SCSI bus type and SCSI ID Do I need additional items for installation Backup software and drivers Backup software Drivers Windows users UNIX users Page Using the CD-ROM HP Library & Tape Tools User documentation CD-ROMguide HP product registration Page Checking the SCSI connection Page Step 1: Check the autoloader’s SCSI ID Page Step 2: Check the option switch value (Sun systems only) Page Step 3: Set the configuration switches (UNIX systems only) Page Step 4: Attach SCSI cable Why does the autoloader need a terminator Page Step 5: Attach power cable Page Step 6: Verify installation Check operation To load a magazine Page To unload a magazine Autoloader modes Page Your HP StorageWorks DAT autoloader Front panel LEDs Magazine present (green) Tape activity (green) Operator attention required (amber) DC 1 WP 2 5 3 Load cartridge button LCD To localize the display Page Use the correct media Data cartridges Write-protectingcartridges Page To clean the tape heads Manual method Automatic cleaning Handling cartridges Getting the most out of cartridges and drives Register your autoloader Page Using HP OBDR Compatibility What does HP OBDR do Remote disaster recovery (ProLiant servers only) If restore fails Testing for compatibility Running HP OBDR Diagnostic tools Performance Assessment Tool Optimizing performance Troubleshooting Problems encountered during installation Unpacking The SCSI cable shipped with the drive is not correct It is unclear which SCSI ID to use How should the SCSI bus be configured How should the SCSI bus be terminated Is the correct SCSI host bus adapter installed Do drivers need to be installed and, if so, which ones Testing after installation The server does not reboot after installation The server boots but does not recognize the autoloader The application does not recognize the autoloader The autoloader does not work Understanding the OAR LED Forcing ejection Other sources of information How to contact HP Page Page Q1567-90905