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How to measure coretemp in a virtualized environment?


I am running hyper-v server core with windows instances and I cannot read the coretemp using coretemp from virtuals. The hyper-v host is not usable as its non-gui based.



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You can do this via SNMP against the ILO network address.  You need to have SNMP enabled under "Access Settings" and also an entry for the "read" community on the "Managment" section, which is usually just "public".  You can test this with something like the free iReasoning mib browser from http://www.ireasoning.com/mibbrowser.shtml.


Here's my entries:

. 22 
. 38 
. 35 
. 47 
. 41 
. 50 
. 25 
. 46 
. 85
. 41 
. 46 


So you can see my CPU is running at 40 degrees Celsius


You can find the mib at http://www.oidview.com/mibs/232/CPQHLTH-MIB.html



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Even though ILO doesn't report the temps in the GUI, they might actually be exposed in SNMP somewhere.  Or not, I can't tell.  My box is running vmware so I don't have anything to compare it to.  If your base OS is windows, you can run something like CPU-Z and see what they actually are, then query snmp starting with the above values and then continue further into . etc.


HP SIM is the Systems insite manager. 



It's also got the mibs: http://h18013.www1.hp.com/products/servers/management/hpsim/mibkit.html

Edited by ajohnson30
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