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01-23-2015 11:06 PM
01-23-2015 11:06 PM
Dear All,
I would like to ask about the given below pic. what does it mean of 44 C Temperature. this temperature of what. My server room temperature is 19 C , even switch is performing well. then why it is showing 44 C Temperature. Please help ...
Solved! Go to Solution.
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01-25-2015 11:08 AM
01-25-2015 11:08 AM
SolutionThe switch has a psu and a couple of system cpus along with fpga/asics which all will generate heat when being used (thats why the unit have heatsinks and noisy fans).
Hard to tell from your pic but if you login you can run:
> display environment
which will display something like:
Slot 1
System temperature information (degree centigrade):
-------------------------------------------------------------------------------
Sensor Temperature LowerLimit WarningLimit AlarmLimit ShutdownLimit
hotspot 1 45 10 80 87 NA
My interpretation is that this temp is the highest available within your unit (in my case its +45C where the surroundings are about +20C).
In the above unit (HP 5820X-24XG-SFP+) you can see that the recommended maxtemp is +80C. So as long as the tempsensor reports below +80C everything is fine. However you want usually to have a margin to recommended maxtemp.
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01-27-2015 05:00 PM
01-27-2015 05:00 PM
Re: HP A5800 JC100A temperature
When I first setup 5800s, I also noticed the high temperature and I also wondered if it was normal.
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01-28-2015 12:57 AM
01-28-2015 12:57 AM
Re: HP A5800 JC100A temperature
Good question.
What is "normal"? I don't have a clear answer.
I can however give you some examples.
1:
HP7510 (MPU LSQ1SRP2XB in slot 5, and LSQ1GP48SC in all linecard slots) Running Comware 5.20.105, R6708P08
In a badly cooled room . Room temperature approx 32C
]display evironment
System temperature information (degree centigrade):
----------------------------------------------------------------------
Slot Sensor Temperature Lower Warning Alarm Shutdown
0 hotspot 1 47 0 80 97 NA
1 hotspot 1 43 0 80 97 NA
2 hotspot 1 45 0 80 97 NA
3 hotspot 1 44 0 80 97 NA
4 hotspot 1 44 0 80 97 NA
5 hotspot 1 37 0 80 97 NA
7 hotspot 1 42 0 80 97 NA
8 hotspot 1 42 0 80 97 NA
9 hotspot 1 42 0 80 97 NA
10 hotspot 1 41 0 80 97 NA
11 hotspot 1 42 0 80 97 NA
12 hotspot 1 30 0 80 97 NA
here slot 5 and 12 are "the same" (the MPU) and it must have 2 different sensors. The other boards (all the same) vary from 47C to 41C which is either due to bad airflow, badly calibrated sensors, or different load on the boards, but you get the generel idea.
2:
HP7510 (MPU LSQ1SRP2XB in slot 5, and LSQ1GP48SC in all linecard slots) Running Comware 5.20.105, R6708P03
In a better cooled room . room temperature approx 24C
]display evironment
System temperature information (degree centigrade):
----------------------------------------------------------------------
Slot Sensor Temperature Lower Warning Alarm Shutdown
0 hotspot 1 33 0 80 97 NA
1 hotspot 1 36 0 80 97 NA
2 hotspot 1 37 0 80 97 NA
3 hotspot 1 37 0 80 97 NA
4 hotspot 1 35 0 80 97 NA
5 hotspot 1 28 0 80 97 NA
7 hotspot 1 34 0 80 97 NA
8 hotspot 1 35 0 80 97 NA
9 hotspot 1 37 0 80 97 NA
10 hotspot 1 35 0 80 97 NA
11 hotspot 1 37 0 80 97 NA
12 hotspot 1 30 0 80 97 NA
The software patchlevel in 1: and 2: differs, but otherwise the units are the same - and have approximately the same load.
On my comware 7 devices the limits are diffent:
HP-5130-24 running Comware 7.1.045, R3106
in an office environment (guessing 24C or something)
]display environment
System temperature information (degree centigrade):
----------------------------------------------------------------------
Slot Sensor Temperature Lower Warning Alarm Shutdown
1 hotspot 1 51 0 92 102 NA
1 hotspot 2 55 0 98 108 NA
1 hotspot 3 32 -20 63 70 NA
1 hotspot 4 25 0 110 130 135
not sure where those 4 hotspots are.
HP5900, Comware Version 7.1.045, R2311P04
in an office environment (guessing 24C or something)
]display environment
System temperature information (degree centigrade):
-------------------------------------------------------------------------------
Sensor Temperature LowerLimit WarningLimit AlarmLimit ShutdownLimit
hotspot 1 36 0 50 55 NA
hotspot 2 46 0 58 63 NA
so, different limits of course dependig on the ASICs and CPUs on the diffenrent boards.
Hope this helps.
Regards
Region Midtjylland
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02-08-2015 08:32 PM
02-08-2015 08:32 PM
Re: HP A5800 JC100A temperature
Thanks for your help and interest.
this is the following temperrature table .
so according to this temperature table . 47C consider as a normal and 80C will be consider as a over heated.
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02-14-2015 04:03 AM
02-14-2015 04:03 AM
Re: HP A5800 JC100A temperature
Yeah and at +70C its time to take actions to fix the heat issue.
So having +47C is "normal".