various temperature for PowerEdge R710

McKee, Shawn smckee at umich.edu
Thu Jun 10 04:31:27 CDT 2010


FYI, you can see the MIB info at:

http://www.oidview.com/mibs/674/MIB-Dell-10892.html

Shawn

-----Original Message-----
From: linux-poweredge-bounces at dell.com [mailto:linux-poweredge-bounces at dell.com] On Behalf Of Narayanan_D at dell.com
Sent: Thursday, June 10, 2010 4:55 AM
To: jheim at math.wisc.edu; linux-poweredge at lists.us.dell.com; Rajesh_Z_Patel at dell.com
Subject: RE: various temperature for PowerEdge R710

Adding Rajesh from FW engineering. 


-----Original Message-----
From: linux-poweredge-bounces at dell.com
[mailto:linux-poweredge-bounces at dell.com] On Behalf Of John G. Heim
Sent: Wednesday, June 09, 2010 7:57 PM
To: linux-poweredge-Lists
Subject: Re: various temperature for PowerEdge R710

When I want specific temps, I use snmpget. Of course, then you have the 
problem of figuring out which OID corresponds to which temp. And I do
not 
know that myself.  I found some of them via google.  For example, the
OID 
for chassis temp is 1.3.6.1.4.1.674.10892.1.700.20.1.6.1.1. So to
display 
the chassis temp, you should be able to say:

snmpget -v2c -c public localhost 1.3.6.1.4.1.674.10892.1.700.20.1.6.1.1

Maybe somebody on this list knows how to match an OID with a Dell
hardware 
sensor. I  do not. The only way I know is to figure it out from various 
examples of snmpget you can find by googling.

----- Original Message ----- 
From: "Zhichao Li" <lzcmichael at gmail.com>
To: "Tim Small" <tim at buttersideup.com>
Cc: <linux-poweredge at dell.com>
Sent: Tuesday, June 08, 2010 8:13 PM
Subject: Re: various temperature for PowerEdge R710


> Thanks Tim.
>
> And I just don't understand why Dell give the same name "Temp" for
> all kinds of temperature sensors. I mean, how can I tell which one is
> for which temperature sensors?
>
> Could someone give me some ideas about that?
>
> Thanks,
> Zhichao
>
> On Tue, Jun 8, 2010 at 11:33 AM, Tim Small <tim at buttersideup.com>
wrote:
>
>> Zhichao Li wrote:
>> > especially the first Temp, I mean it's weired the value is less
than
>> > zero.
>> >
>>
>> That's likely to be the CPU thermal margin - i.e. it's not an
absolute
>> temperature, but is relative to the upper limit set by the CPU.  I'm
not
>> really sure why the BMC reports it like this, possibly that's just
all
>> the information that the CPU makes available.
>>
>> It shows up using "ipmitool sdr list", but not "ipmitool sensor list"
-
>> without checking, I assume the second method is asking for an
absolute
>> temperature (which comes back as "na" on this PE R300).
>>
>>
>> Tim.
>>
>
>
>
> -- 
> Zhichao Li
> Computer Science Department
> Stony Brook University
>


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