
Chapter 7. Troubleshooting
EK–KZPSA–UG. B01 7–3
7.3 SCSI Device Problems
Table 7–2 lists a SCSI device problem, specifies the probable causes, and sug-
gests corrective actions for each probable cause.
Table 7–2 SCSI Device Troubleshooting Table
Symptom Probable Cause Corrective Action
SCSI device does not ap-
pear in the configuration
display after the SRM
console command,
p00>>show config
or,
SCSI device does not ap-
pear in the
List Existing
SCSI Devices
display selected from the
cnfgdiag utility.
Device cannot negotiate
wide or synchronous
transfers.
Use the cnfgdiag utility to dis-
able (see Chapter 6).
Duplicate SCSI IDs Ensure that each SCSI device
has a unique SCSI ID.
KZPSA adapter is in an
unknown state.
Initialize the adapter with the
SRM console command,
(P00>>> init)
or,
by pressing the systems reset
button.
SCSI device or bus is
hung.
Reset the SCSI bus via the
cnfgdiag utility (see Chapter 6.)
Cable is not connected to
the SCSI device.
SCSI device(s) not
plugged in and turned on
before system power up.
Check cable connections.
Power up all external SCSI de-
vices, and then power up sys-
tem.
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