Quantum cp3100 d2d2t User Guide

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Troubleshooting
SCSI ID Problems
92
SCSI ID Problems
Each SCSI device on the same SCSI bus must have a unique SCSI ID. 
CP 3100 units that do not contain an integrated tape drive inherit the SCSI ID of the tape 
drive to which they are attached. If another device on the SCSI bus uses this SCSI ID, change 
the SCSI ID on the tape drive or on the other device.
CP 3100 units that contain an integrated tape drive default to SCSI ID 6. If another device on 
the SCSI bus uses this SCSI ID, change the SCSI ID on the other device to one that is not being 
used by any other device on the SCSI bus. If this is not possible, use the SCSI ID selector 
switch on the back panel of the CP 3100 to select a unique SCSI ID for the unit.
SCSI Termination Problems
If the CP 3100 is the last device or the only device in a SCSI chain, install a SCSI terminator 
on the SCSI OUT connector on the back panel of the CP 3100 (see Chapter 3, “Installing the 
CP 3100” on page 23 for more i
nformation). If the CP 3100 is not the last device in the SCSI 
chain, install the SCSI terminator on the last device in the chain (the manual that came with the 
device should describe this procedure).
Table 23. CP 3100 Attentions
Attention
Action Required
PTC Required
The CP 3100 is requesting a blank physical tape cartridge, warning that a 
physical tape cartridge may be overwritten, or requesting a specific physi-
cal tape cartridge.
Archive Failed
The immediately prior archive operation failed due to an error with the 
physical tape drive or physical tape cartridge, or a physical tape cartridge 
end-of-media event occurred.
PTD Cleaning Required
You need to insert a cleaning cartridge into the physical tape drive.
Disk Cache Warning/Full
The disk cache is nearly exhausted or full and you need to archive, erase, 
or delete virtual tape cartridges.
NOTE: Do not set the archive tape drive to SCSI ID 7. For best performance, it is strongly recom-
mended that the CP 3100 be attached to a dedicated SCSI Ultra 160 controller with no other 
SCSI devices on the same SCSI cable.
NOTE: Do not set the CP 3100 selector switch to SCSI ID 7. For best performance, it is strongly 
recommended that the CP 3100 be attached to a dedicated SCSI Ultra 160 controller.
NOTE: For best performance, it is strongly recommended that the CP 3100 be attached to a 
dedicated SCSI Ultra 160 controller with no other SCSI devices on the same SCSI cable.