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HP StorageWorks 1/8 User's And Service Manual: Parallel Scsi Device Not Detected; Attention Led Is Lit

G2 tape autoloader.
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Table 22 Parallel SCSI device not detected
Device not detected
Changed drive SCSI ID, but the host
server does not recognize the new
Table 23 Attention LED is lit
Both the Attention and Cleaning
LEDs are lit.
A particular cartridge sets off the
cleaning light.
Check that the HBA supports multiple LUNs and this feature is en-
abled. If not, only the tape drive will be detected.
Check for conflicting SCSI IDs.
Power on the device before powering on the host computer.
Make sure the Autoloader does not have the drive off line and that
the Autoloader is not running a test.
Attach the device to an LVDS SCSI host adapter/bus.
The parallel SCSI cable length might be too long. Use a shorter cable
or remove other devices from the bus.
Parallel SCSI bus not properly terminated. See
problems" on page 107.
Check that the device is fully powered up and is not in an error state.
Check the parallel SCSI connector and terminator for bent pins.
SCSI detection
troubleshooting help.
Make sure that all parallel SCSI devices on the same bus have unique
SCSI ID numbers.
Only SCSI IDs 0 through 7 are available on a narrow (50 pin) bus.
If the device is on a narrow bus and has a SCSI ID of 8 or greater,
the host server will not detect the drive. If you must use SCSI IDs 8 or
greater, use a wider bus.
Reboot the host server.
This is most likely caused by a dirty drive that cannot read a tape and
marks the tape invalid.
View the inventory with the RMI. Note the slots that have tapes
marked with !.
Remove any magazines that contain tapes marked with !.
Remove the tapes that were marked with !.
Inspect each removed tape for damage, check that the tape is
compatible with the drive, and ensure that it is not past its usage
life. See
damaged or past their usage life. Do not use cartridges that are in-
compatible with the tape drive.
Reload the magazines with tapes that have passed inspection and
new tapes to replace cartridges that did not pass inspection.
Replace the magazines.
Clean the tape drive.
Check the cartridge for contamination by loose debris.
HP StorageWorks 1/8 G2 Tape Autoloader User and service guide
problems" on page 107 for more detailed
cartridges" on page 43. Discard any tapes that are
SCSI detection



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