
Chapter 7
Troubleshooting
53
Is the disk drive module Fault/UID LED amber?
Answer
Possible reasons
Actions
Yes, and the Activity
LED is off.
The disk drive is offline. A predictive failure alert may
have been received for this device.
l
Check the event log for specific information
regarding the fault.
l
Isolate the fault.
l
Contact an authorized service provider for
assistance.
Yes, and the Activity
LED is blinking.
The disk drive is active, but a predictive failure alert
may have been received for this device.
l
Check the event log for specific information
regarding the fault.
l
Isolate the fault.
l
Contact an authorized service provider for
assistance.
Table 12 Diagnostics LED status: Front panel disks "Fault/UID"
NOTE See
.
Is a connected host port Host Link Status LED off?
Answer
Possible reasons
Actions
No
System functioning properly.
No action required.
Yes
The link is down.
l
Check cable connections and reseat if necessary.
l
Inspect cables for damage. Replace cable if necessary.
l
Swap cables to determine if the fault is caused by a defective cable.
Replace the cable if necessary.
l
Verify that the switch, if any, is operating properly. If possible, test
with another port.
l
Verify that the HBA is fully seated, and that the PCI slot is powered
on and operational.
l
In the SMU, review event logs for indicators of a specific fault in a
host data path component. Follow any recommended actions.
l
Contact an authorized service provider for assistance.
l
See
"Isolating a host side connection fault" on page
.
Table 13 Diagnostics LED status: Rear panel "Host Link Status"
Is a connected host port Expansion Port Status LED off?
Answer
Possible reasons
Actions
No
System functioning properly.
No action required.
Yes
The link is down.
l
Check cable connections and reseat if necessary.
l
Inspect cables for damage. Replace cable if necessary.
l
Swap cables to determine if the fault is caused by a defective cable.
Replace the cable if necessary.
l
In the SMU, review event logs for indicators of a specific fault in a
host data path component. Follow any recommended actions.
l
Contact an authorized service provider for assistance.
l
See
"Isolating a controller module expansion port connection fault"
Table 14 Diagnostics LED status: Rear panel "Expansion Port Status"