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Troubleshooting the HCA Installation
Interpret HCA LEDs
The following are a list of things you can check if the HCA does not operate appropriately.
•
"Interpret HCA LEDs" on page 63
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"Check the InfiniBand Cable" on page 64
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"Check the InfiniBand Network Interfaces" on page 64
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"Run the HCA Self-Test" on page 65
There are two types of LEDs on the HCA card.
•
The top yellow LED indicates a logical link has taken place.
•
The bottom green LED indicates a physical link has occurred.
logical link status
physical link status
Figure 9-1: The HCA LEDs
Table 9-1: Interpreting the LEDs
LED
Top LED
Off indicates there is no logical link detected.
If this LED is Off, but the bottom LED is On, then a logical link error
has occurred. This indicates that the subnet manager has not done a
sweep.
Indication
63
9
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