Diagnostics and Troubleshooting
Troubleshooting
44
ValueLoader DLT VS80/DLT VS160 Tape Autoloader User Manual
Troubleshooting
4
Installation
Problems
4
Problems encountered during the installation of the ValueLoader are
usually caused by improper SCSI bus configuration, application software
configuration errors, or an incorrectly configured operating system. If the
application software that you are using is not communicating with the
ValueLoader after installation, check the following:
•
SCSI ID:
The ValueLoader uses one SCSI ID and two Logical Unit
Numbers (LUNs): one LUN for the tape drive (0) and one for the
ValueLoader robotics (1). Depending on other devices attached to the
same SCSI bus and their SCSI IDs, you may need to change the SCSI
ID of the ValueLoader before you can use the ValueLoader. Select an
unused SCSI ID. See the manuals for the other devices on the SCSI
bus or your operating system to determine which SCSI IDs are
currently in use. If the ValueLoader is attached to a narrow (50-pin)
SCSI bus (not recommended), only SCSI IDs 0 through 7 are available
•
SCSI Cabling:
Verify that all SCSI cables are securely connected at
both ends. Check the length and integrity of your SCSI cabling. The
total length of all cables connected to a SCSI bus must not exceed 19 ft
(6 m) for a SCSI-1 SE bus, 10 ft (3 m) for a Fast SCSI (Narrow or Wide)
or an Ultra SCSI (Narrow or Wide) SE bus, 40 ft (12 m) for an LVD
bus with multiple devices, or 82 ft (25 m) for an LVD bus with a
single device. The length of the internal SCSI cabling inside the
ValueLoader is 1 ft (30 cm). This length must be included in any
calculations of cable length. Try replacing suspect cables with known
good cables.
•
Termination:
If the ValueLoader is the only SCSI device (other than
the SCSI host adapter) on the selected SCSI bus, it must be
terminated. Likewise, if the ValueLoader is physically the last SCSI
device on the SCSI bus, it must be terminated. Only the devices
physically at the beginning and end of the SCSI bus should be
terminated. Refer to the manuals supplied with the other devices on
the SCSI bus for termination on enabling or disabling termination on
those devices.
Summary of Contents for ValueLoader DLT VS160
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