<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";
mso-fareast-language:EN-US;}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri","sans-serif";
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;
font-family:"Calibri","sans-serif";
mso-fareast-language:EN-US;}
@page WordSection1
{size:612.0pt 792.0pt;
margin:72.0pt 72.0pt 72.0pt 72.0pt;}
div.WordSection1
{page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi guys,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>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.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Within this, we also see massive differences on the individual sensors. For example, an XMR-4:-<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>SLOT #: CARD TYPE: SENSOR # TEMPERATURE (C):<o:p></o:p></p><p class=MsoNormal> 33 ACTIVE MG 1 35.500C<o:p></o:p></p><p class=MsoNormal> 33 ACTIVE MG 2 48.500C<o:p></o:p></p><p class=MsoNormal>=======================================================<o:p></o:p></p><p class=MsoNormal> 34 STANDBY MG 1 38.500C<o:p></o:p></p><p class=MsoNormal>=======================================================<o:p></o:p></p><p class=MsoNormal> 1 LP 1 36.500C<o:p></o:p></p><p class=MsoNormal> 1 LP 2 55.625C<o:p></o:p></p><p class=MsoNormal> 2 LP 1 49.500C<o:p></o:p></p><p class=MsoNormal> 2 LP 2 72.0C<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>SNM # FE # TEMPERATURE (C):<o:p></o:p></p><p class=MsoNormal> 1 N/A 34.0C<o:p></o:p></p><p class=MsoNormal> 2 N/A 35.5Ce<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>One sensor is over 72 degrees! <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>This XMR-16 varies from 35 to 59 degrees:-<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>SLOT #: CARD TYPE: SENSOR # TEMPERATURE (C):<o:p></o:p></p><p class=MsoNormal> 33 ACTIVE MG 1 42.0C<o:p></o:p></p><p class=MsoNormal> 33 ACTIVE MG 2 61.250C<o:p></o:p></p><p class=MsoNormal>=======================================================<o:p></o:p></p><p class=MsoNormal> 34 STANDBY MG 1 36.500C<o:p></o:p></p><p class=MsoNormal>=======================================================<o:p></o:p></p><p class=MsoNormal> 1 LP 1 47.500C<o:p></o:p></p><p class=MsoNormal> 1 LP 2 46.500C<o:p></o:p></p><p class=MsoNormal> 2 LP 1 39.0C<o:p></o:p></p><p class=MsoNormal> 2 LP 2 43.500C<o:p></o:p></p><p class=MsoNormal> 3 LP 1 43.0C<o:p></o:p></p><p class=MsoNormal> 3 LP 2 45.0C<o:p></o:p></p><p class=MsoNormal> 4 LP 1 40.500C<o:p></o:p></p><p class=MsoNormal> 4 LP 2 48.500C<o:p></o:p></p><p class=MsoNormal> 5 LP 1 44.500C<o:p></o:p></p><p class=MsoNormal> 5 LP 2 48.500C<o:p></o:p></p><p class=MsoNormal> 6 LP 1 40.0C<o:p></o:p></p><p class=MsoNormal> 6 LP 2 42.250C<o:p></o:p></p><p class=MsoNormal> 7 LP 1 45.500C<o:p></o:p></p><p class=MsoNormal> 7 LP 2 46.500C<o:p></o:p></p><p class=MsoNormal> 8 LP 1 37.500C<o:p></o:p></p><p class=MsoNormal> 8 LP 2 38.500C<o:p></o:p></p><p class=MsoNormal> 9 LP 1 43.500C<o:p></o:p></p><p class=MsoNormal> 9 LP 2 59.0C<o:p></o:p></p><p class=MsoNormal> 15 LP 1 49.0C<o:p></o:p></p><p class=MsoNormal> 15 LP 2 51.250C<o:p></o:p></p><p class=MsoNormal> 15 LP 3 UNUSED<o:p></o:p></p><p class=MsoNormal> 16 LP 1 43.0C<o:p></o:p></p><p class=MsoNormal> 16 LP 2 42.0C<o:p></o:p></p><p class=MsoNormal> 16 LP 3 UNUSED<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>SNM # FE # TEMPERATURE (C):<o:p></o:p></p><p class=MsoNormal> 1 N/A 42.0C<o:p></o:p></p><p class=MsoNormal> 2 N/A 35.0C<o:p></o:p></p><p class=MsoNormal> 3 N/A 38.5C<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>This XMR-4 varies from 29.5 to over 60 degrees…<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>SLOT #: CARD TYPE: SENSOR # TEMPERATURE (C):<o:p></o:p></p><p class=MsoNormal> 33 ACTIVE MG 1 29.500C<o:p></o:p></p><p class=MsoNormal> 33 ACTIVE MG 2 41.125C<o:p></o:p></p><p class=MsoNormal>=======================================================<o:p></o:p></p><p class=MsoNormal> 1 LP 1 33.0C<o:p></o:p></p><p class=MsoNormal> 1 LP 2 47.875C<o:p></o:p></p><p class=MsoNormal> 2 LP 1 42.0C<o:p></o:p></p><p class=MsoNormal> 2 LP 2 60.250C<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>SNM # FE # TEMPERATURE (C):<o:p></o:p></p><p class=MsoNormal> 1 N/A 27.0C<o:p></o:p></p><p class=MsoNormal> 2 N/A 29.5C<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>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…<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>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.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>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.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks for your help,<o:p></o:p></p><p class=MsoNormal>Harry<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div>_____________________________________________________________________
<br>
This e-mail and all attachments have been scanned by the hSo virus scanning service powered by Webroot and no known viruses were detected.</body></html>