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5 – Diagnostics/Troubleshooting
POST Diagnostics
59021-08 B 5-9
D
Review the event browser to determine if excessive port errors are responsible for
disabling the port. Look for a message that mentions one of the monitored error
types indicating that the port has been disabled, then do the following:
1. Examine the alarm configuration for the associated error using the Show
Config Threshold command or the SANbox Manager application. Refer to
the ”Show Config Command” on page B-66. Refer to Table B-5 for a list of
the alarm configuration defaults. Are the thresholds and sample interval
correct?
Yes - Continue
No - Correct the alarm configuration. If the condition remains, continue.
2. Reset the port, then perform an external port loopback test to validate the
port and the SFP. Refer to the ”Test Command” on page B-78 or the
SANbox2-8c/16 Switch Management User’s Guide for information about
testing ports. Does the port pass the test?
Yes - Continue
No - Replace the SFP and repeat the test. If the port does not pass the
test, contact your authorized maintenance provider. Otherwise
continue.
3. Replace the Fibre Channel port cable. Is the problem corrected?
Yes - Complete.
No - Continue.
4. Inspect the device to which the affected port is connected and confirm that
the device and its HBA are working properly. Make repairs and corrections
as needed. If the condition remains, contact your authorized maintenance
provider.