[f-nsp] XMR Temperature sensors

[Tomasz Szewczyk]

Hi,

In our case the highest temperature on XMR16k is 65 on one of the sensors
1 LP 1 58.500C
1 LP 2 65.875C
1 LP 3 UNUSED
1 LP 4 59.0C
1 LP 5 56.375C
1 LP 6 UNUSED
2 LP 1 41.500C
2 LP 2 46.0C
2 LP 3 UNUSED
2 LP 4 42.500C
2 LP 5 41.125C
2 LP 6 UNUSED

As you can see it somehow depends on module slot. But looking at sh fan-threshold output I don't think such temperature level is dangerous.
But at 80C I'll start to think much more intensive about that :-)

Cheers

Tomek

W dniu 2011-03-31 13:20, Harry Lewins pisze:
>
> Hi guys,
>
> Wondering if you could give me a bit of steer here… We have multiple XMR-4s and 16s in our core, and we pretty varied temperatures on
> them, despite them all being in temperature controlled data centres etc.
>
> Within this, we also see massive differences on the individual sensors. For example, an XMR-4:-
>
> SLOT #: CARD TYPE: SENSOR # TEMPERATURE (C):
>
> 33 ACTIVE MG 1 35.500C
>
> 33 ACTIVE MG 2 48.500C
>
> =======================================================
>
> 34 STANDBY MG 1 38.500C
>
> =======================================================
>
> 1 LP 1 36.500C
>
> 1 LP 2 55.625C
>
> 2 LP 1 49.500C
>
> 2 LP 2 72.0C
>
> SNM # FE # TEMPERATURE (C):
>
> 1 N/A 34.0C
>
> 2 N/A 35.5Ce
>
> One sensor is over 72 degrees!
>
> This XMR-16 varies from 35 to 59 degrees:-
>
> SLOT #: CARD TYPE: SENSOR # TEMPERATURE (C):
>
> 33 ACTIVE MG 1 42.0C
>
> 33 ACTIVE MG 2 61.250C
>
> =======================================================
>
> 34 STANDBY MG 1 36.500C
>
> =======================================================
>
> 1 LP 1 47.500C
>
> 1 LP 2 46.500C
>
> 2 LP 1 39.0C
>
> 2 LP 2 43.500C
>
> 3 LP 1 43.0C
>
> 3 LP 2 45.0C
>
> 4 LP 1 40.500C
>
> 4 LP 2 48.500C
>
> 5 LP 1 44.500C
>
> 5 LP 2 48.500C
>
> 6 LP 1 40.0C
>
> 6 LP 2 42.250C
>
> 7 LP 1 45.500C
>
> 7 LP 2 46.500C
>
> 8 LP 1 37.500C
>
> 8 LP 2 38.500C
>
> 9 LP 1 43.500C
>
> 9 LP 2 59.0C
>
> 15 LP 1 49.0C
>
> 15 LP 2 51.250C
>
> 15 LP 3 UNUSED
>
> 16 LP 1 43.0C
>
> 16 LP 2 42.0C
>
> 16 LP 3 UNUSED
>
> SNM # FE # TEMPERATURE (C):
>
> 1 N/A 42.0C
>
> 2 N/A 35.0C
>
> 3 N/A 38.5C
>
> This XMR-4 varies from 29.5 to over 60 degrees…
>
> SLOT #: CARD TYPE: SENSOR # TEMPERATURE (C):
>
> 33 ACTIVE MG 1 29.500C
>
> 33 ACTIVE MG 2 41.125C
>
> =======================================================
>
> 1 LP 1 33.0C
>
> 1 LP 2 47.875C
>
> 2 LP 1 42.0C
>
> 2 LP 2 60.250C
>
> SNM # FE # TEMPERATURE (C):
>
> 1 N/A 27.0C
>
> 2 N/A 29.5C
>
> I could go on, but I guess you get the point! I’m just wondering if this is normal – obviously I would expect some variation in the
> readings, depending on where the sensor is in the chassis, how populated it is, what cards are in it, how busy those cards are etc. But
> this seems very high, and indeed temperatures over 70 degrees sound like a bad thing to me…
>
> Do you guys see similar temperatures? Initially we were monitoring all these sensors with SNMP and freaking out every time one went over
> 60 degrees, but we’ve scaled that back a bit now. Do you guys just monitor the cooler sensor? That is our current plan.
>
> Does anyone know at what temperature we would start seeing a degraded performance? I’m waiting on our supplier to give me some
> documentation on this, but just wondered if you guys have real world experience.
>
> Thanks for your help,
>
> Harry
>
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