Checking The Power Supply; Checking The Temperature, Fan, And Power Supply; Switch Boot Issues - Brocade Communications Systems A7533A - Brocade 4Gb SAN Switch Base Troubleshooting Manual

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Switch boot issues

Checking the power supply

1. Log in to the switch as user.
2. Enter the psShow command.
3. Check the power supply status. Refer to the appropriate hardware reference manual for details

Checking the temperature, fan, and power supply

1. Log in to the switch as user.
2. Enter the sensorShow command. See the Fabric OS Command Reference for details regarding
3. Check the temperature output.
4. Check the fan speed output.
5. Check the power supply status.

Switch boot issues

Symptom The enterprise-class platform model rebooted again after an initial bootup.
Probable cause and recommended action
This issue can occur during an enterprise-class platform boot up with two CPs. If any failure occurs
on active CP, before the standby CP is fully functional and has obtained HA sync, the Standby CP
may not be able to take on the active role to perform failover successfully.
In this case, both CPs will reboot to recover from the failure.
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regarding the power supply status.
OK Power supply functioning correctly.
absent Power supply not present.
unknown Power supply unit installed.
predicting failure Power supply is present but predicting failure.
faulty Power supply present but faulty (no power cable, power switch turned off, fuse
blown, or other internal error).
If any of the power supplies show a status other than OK, consider replacing the power supply
as soon as possible.
For certain switch models, the OEM serial ID data displays after each power supply status line.
the sensor numbers.
Look for indications of high or low temperatures.
If any of the fan speeds display abnormal RPMs, replace the fan FRU.
If any power supplies show a status other than OK, consider replacing the power supply as
soon as possible.
Fabric OS Troubleshooting and Diagnostics Guide
53-1001187-01