HP MSA 2040 User Guide (723983-002, September 2013)

56 Troubleshooting
Is a connected host port Host Link Status LED off?
Is a connected port Expansion Port Status LED off?
Is a connected port Network Port Link Status LED off?
Answer Possible reasons Actions
No System functioning properly. No action required.
(see Link LED note: page 79)
Yes The link is down. • Check cable connections and reseat if necessary.
• Inspect cables for damage. Replace cable if necessary.
• Swap cables to determine if fault is caused by a defective
cable. Replace cable if necessary.
• Verify that the switch, if any, is operating properly. If possible,
test with another port.
• Verify that the HBA is fully seated, and that the PCI slot is
powered on and operational.
• In the SMU, review event logs for indicators of a specific fault
in a host data path component; follow any Recommended
Actions.
• Contact an authorized service provider for assistance.
• See "Isolating a host-side connection fault" (page 58).
Table 9 Diagnostics LED status: Rear panel “Host Link Status”
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. Replace cable if necessary.
• Swap cables to determine if fault is caused by a defective
cable. Replace cable if necessary.
• In the SMU, review event logs for indicators of a specific fault
in a host data path component; follow any Recommended
Actions.
• Contact an authorized service provider for assistance.
• See "Isolating a controller module expansion port connection
fault" (page 60).
Table 10 Diagnostics LED status: Rear panel “Expansion Port Status”
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.
Table 11 Diagnostics LED status: Rear panel “Network Port Link Status”