PA-500 || Chassis Master Alarm: Temperature

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PA-500 || Chassis Master Alarm: Temperature

L1 Bithead

We've been getting this critical alarm for our PA-500 device.


> show system environmentals

Slot Description Alarm Degrees C Min C Max C
S0 Temperature at MP [U6] False 35.67 5.00 50.00
S0 Temperature at DP [U7] False 39.00 5.00 50.00

Slot Description Alarm RPMs Min RPM
S0 Fan #1 Operational False True 1
S0 Fan #2 Operational False True 1

Slot Description Alarm Volts Min V Max V
S0 1.05V Power Rail False 1.05 0.98 1.13
S0 1.1V Power Rail False 1.09 1.03 1.18
S0 1.2V Power Rail False 1.20 1.08 1.35
S0 1.8V Power Rail False 1.79 1.62 1.98
S0 2.5V Power Rail False 2.49 2.25 2.75
S0 3.3V Power Rail False 3.32 2.97 3.63
S0 5.0V Power Rail False 4.97 4.50 5.50
S0 3.0V RTC Battery False 2.49



> less mp-log chasd.log

Chasd (v3.0)
2018-05-07 11:04:46.212 +1000 Start time.
2018-05-07 11:04:46.348 +1000 Not restart case
2018-05-07 11:04:46.352 +1000 sysd worker[3]: 73184480: starting up...
2018-05-07 11:04:46.352 +1000 sysd worker[1]: 73984480: starting up...
2018-05-07 11:04:46.353 +1000 sysd worker[0]: 73d84480: starting up...
2018-05-07 11:04:46.372 +1000 sysd worker[2]: 73584480: starting up...
2018-05-07 11:04:48.378 +1000 Slot 0 LED implementation node:
2019-07-28 02:51:52.376 +1000 Chassis Master Alarm: Temperature
2019-07-29 08:43:52.286 +1000 Chassis Master Alarm: Cleared
2019-12-28 16:26:52.316 +1100 Chassis Master Alarm: Temperature
2019-12-30 18:41:52.270 +1100 Chassis Master Alarm: Cleared
2020-05-10 04:43:52.294 +1000 Chassis Master Alarm: Temperature
2020-05-10 07:35:52.317 +1000 Chassis Master Alarm: Cleared


Could you please share more information about this.


Thank you.



Cyber Elite
Cyber Elite

At 2020-05-10 04:43:52.294 your temperature warning was tripped

Ensure the device is properly ventilated and there is no dust in the fans

Verify the traffic going through the firewall at that time, was the load unexpectedly high?

Was the datacenter room temperature unusually high during that time?

Also make sure it is not sitting on top of a server that was running very hot and "cooking" the firewall


Tom Piens
PANgurus - Strata specialist; config reviews, policy optimization
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