Troubleshooting; Diagnosing Switch Indicators - Sun Microsystems IB Switch 9P Administration Manual

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A P P E N D I X

Troubleshooting

This chapter consists of tables of the most common issues you might experience with
error messages you see and troubleshooting suggestions. It contains the following
sections:
"Diagnosing Switch Indicators" on page 53
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"Diagnosing Port Connections" on page 54
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"Using System Logs" on page 54
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"Troubleshooting ALOM Problems" on page 64
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"ALOM Shell Error Messages" on page 65
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If you are having problems connecting to the network, check your cabling to ensure
that the switch is properly connected to the management port as well as the
InfiniBand ports and connectors. Then refer to
page 53

Diagnosing Switch Indicators

If you have connected a device to a port on the switch, but the Link LED is off, then
check the following items:
Ensure that the cable is plugged into both the switch and corresponding device.
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Verify that the proper cable type is used and its length does not exceed specified
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limits.
Check the adapter on the attached device and cable connections for possible
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defects. Replace the defective adapter or cable if necessary.
Verify that all system components have been properly installed. If any network
cabling appears to be malfunctioning, test it in an alternate environment where you
are sure that all the other components are functioning properly.
to verify that the corresponding port on the switch is functioning properly.
"Diagnosing Switch Indicators" on
53