HP 2000sa HP StorageWorks 2312sa and 2324sa Modular Smart Array user guide (48 - Page 54

Is a connected port's Expansion Port Status LED off?, Is the power supply's AC Power Good LED off?

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Is a connected port's Expansion Port Status LED off? Answer No Yes Possible Reasons System functioning properly. The link is down. Actions No action required. • Check cable connections and reseat if necessary. • Inspect cable for damage. • Swap cables to determine if fault is caused by a defective cable. Replace cable if necessary. • In SMU, review event logs for indicators of a specific fault in a host data path component. • Contact an authorized service provider for assistance. • See Isolating a controller module expansion port connection fault on page 58 Is a connected port's Network port link status LED off? Answer No Yes Possible Reasons System functioning properly. The link is down. Actions No action required. Use standard networking troubleshooting procedures to isolate faults on the network. Is the power supply's AC Power Good LED off? Answer No Yes Possible Reasons System functioning properly. The power supply is not receiving adequate power. Actions No action required. • Verify that the power cord is properly connected and check the power source it is connected to. • Check that the power supply FRU is firmly locked into position. • Check the event log for specific information regarding the fault. • Isolate the fault. • Contact an authorized service provider for assistance. Is the drive enclosure back panel OK LED off? Answer No Yes Possible Reasons Actions System functioning properly. No action required. The power supply unit or a fan is operating at an unacceptable voltage/RPM level, or has failed. When isolating faults in the power supply, remember that the fans in both modules receive power through a common bus on the midplane, so if a power supply unit fails, the fans continue to operate normally. • Check that the power supply FRU is firmly locked into position. • Check that the AC cord is connected to a power source. • Check that the AC cord is connected to the power supply. 54 Troubleshooting

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54
Troubleshooting
Is a connected port’s Expansion Port Status LED off?
Is a connected port’s Network port link status LED off?
Is the power supply’s AC Power Good LED off?
Is the drive enclosure back panel OK LED off?
Answer
Possible Reasons
Actions
No
System functioning properly.
No action required.
Yes
The link is down.
•
Check cable connections and reseat if necessary.
•
Inspect cable for damage.
•
Swap cables to determine if fault is caused by a
defective cable. Replace cable if necessary.
•
In SMU, review event logs for indicators of a specific
fault in a host data path component.
•
Contact an authorized service provider for assistance.
•
See
Isolating a controller module expansion port
connection fault
on page 58
Answer
Possible Reasons
Actions
No
System functioning properly.
No action required.
Yes
The link is down.
Use standard networking troubleshooting procedures to
isolate faults on the network.
Answer
Possible Reasons
Actions
No
System functioning properly.
No action required.
Yes
The power supply is not
receiving adequate power.
•
Verify that the power cord is properly connected and
check the power source it is connected to.
•
Check that the power supply FRU is firmly locked into
position.
•
Check the event log for specific information regarding
the fault.
•
Isolate the fault.
•
Contact an authorized service provider for assistance.
Answer
Possible Reasons
Actions
No
System functioning properly.
No action required.
Yes
The power supply unit or a fan
is operating at an
unacceptable voltage/RPM
level, or has failed.
When isolating faults in the power supply, remember that
the fans in both modules receive power through a
common bus on the midplane, so if a power supply unit
fails, the fans continue to operate normally.
•
Check that the power supply FRU is firmly locked into
position.
•
Check that the AC cord is connected to a power
source.
•
Check that the AC cord is connected to the power
supply.