Other Problems - HP C5658A - SureStore DLT 70e Tape Drive User Manual

Internal/external tape drive
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Other Problems

If your system does not recognize the drive, perform the following
checks:
The host computer system only identifies which IDs are present on SCSI
buses after power-on or a reset. If you turned the drive on after the host
system, the host will not be aware that the drive is on the bus.
To make the host look for devices on the bus, you need to reset the host. You
should be able to do this using the SCSI management software on your
computer. As a last resort, you could turn the host system off and on again.
Similarly, if you make any changes to SCSI IDs, you need to reset the bus
for the host to recognize the changes.
If the drive still fails to recognize the drive, try the following
checks:
Check the drive's SCSI connectors:
• Is the SCSI cable firmly seated?
• Is the correct SCSI terminator fitted, and is it firmly seated?
Check the SCSI bus:
• Is the SCSI cable firmly connected to the SCSI connector on the
computer?
• If there are other devices on the SCSI bus, are their IDs all different? If
necessary, change the ID of the drive or other devices. Use
HP TapeAssure on the HP SureStore Tape CD-ROM to find details of
the devices on the bus.
• If there is more than one SCSI bus attached to your system, check that
the system is looking for the drive on the correct SCSI bus.
• Is the bus terminated properly? Only the last device on the bus should
have a SCSI terminator fitted.
Check the system:
• Is the system configured to recognize the correct device at each SCSI ID?
• Is the correct driver for the tape drive installed?
• Look at the SCSI host adapter documentation and backup software
documentation for further advice.
Troubleshooting
Other Problems
6-3

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