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Differences in temperatures reported by iLO vs OS


abpostelnicu
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I'm having some serious CPU temperatures differences between iLO and OS reported.

My configuration is:

1. OS - Debian Jessie 8 - using sensors to detect the temperature

2. iLO - version 2.44 

3. CPU - Intel Xeon E3-1240V2

4. Workload - Realtime Transcoding from 4K to 1080P 20Mbps 

 

CPU load:

cpu_load.png

 

OS CPU Temp:

OS_Temp.png

 

iLO Temperature: 61C

iLO Fan Speed: 34%

 

Witch values should i trust? And why is this gap so huge? Can i manually increase the fan speed?

 

Thank you!

Edited by abpostelnicu
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The ilo temperature is not the on die cpu temperature, it is from a probe near/under the cpu afaik, so the OS based ones are probably the correct core readings. People need to ignore the ilo when replacing with higher wattage cpus really, even my 1220L v1 gets to 65-70 core temperature under full load

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Thanks for clearing this out to me, but isn't there a way to force the ventilator to work at higher loads? I haven't seen it reaching it to 100%, not even 80%

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Thanks for clearing this out to me, but isn't there a way to force the ventilator to work at higher loads? I haven't seen it reaching it to 100%, not even 80%

There is a fan option setting in the bios, optimal cooling I believe will increase fan speeds at all temps.

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There is a fan option setting in the bios, optimal cooling I believe will increase fan speeds at all temps.

 

Please can you be more specific, because i can't seem to find it.

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