Temperature is how hot or cold something is, questions with this tag relate to how different hardware deals with different temperatures and how to maintain it

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38
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5answers
15k views

On a dual CPU server, is it normal for one CPU to run hotter than the other?

I have a dual Opteron server running Linux with libvirt to host several VMs. The VMs work fine and the server processes OK, but I notice one CPU always runs about 69C (throttles at 70C) and the other ...
3
votes
2answers
491 views

HP DL380G6: Where is the Temp. Sensor #29 (System Zone)?

The Temp. Sensor #29 of my HP DL380G6 seems to give me a wrong number. It says that the temperature is more than 50C (Caution: 60C, Critical: 65C) while the actual value is 13C. And I think it may be ...
1
vote
0answers
86 views

Appropriate fan speed for a Dell PowerEdge T710

We have a DELL PowerEdge T710 in our office and it is really really noisy, the fans sound like vacuum cleaners! The discussion is whether the server is malconfigured and can be made more silent or if ...
-1
votes
1answer
33 views

Are there HDDs which tolerate high ambient temperatures?

For certain reasons I won't go into, I have this small server machine which tends to overheat. I don't have exact temperature measurements, but let's say something like... ID# ATTRIBUTE_NAME ...
3
votes
6answers
11k views

What is the recommended temperature range for a hard drive?

What is the best temp to keep harddrives running in? I have harddrives that keep failing due to the temp being to high.
2
votes
3answers
385 views

Server Room Temperature Monitoring - Where to stick my probes?

I have a small server room approx 7' x 12' with an A/C unit dedicated to this room that is positioned on of the short (7') sides and blows air across the room towards the other short (7') side. The ...
7
votes
6answers
14k views

What is the Best Way to Monitor Server Temperature?

I need to be able to monitor the temperature of a couple of servers remotely. Does anyone know of any free/cheap software that will monitor the server temp and email it or at least output it so that ...
0
votes
0answers
57 views

Reset temperature sensor on Supermicro X7DWA-N

My supermicro X7DWA-N will no longer boot and the temperature light just blinks even when the system has been off for 12 hours, so it's not hot at all. Is there a way to reset this alarm and perhaps ...
2
votes
2answers
56 views

Why does the temperature in a pair of disks under RAID 1 showing a large temperature difference?

It appears quite strange to me that temperature readings derived from SMART for one disk is different from its twin in a RAID 1 configuration by as much as 9°C: # smartctl -d scsi -A /dev/sg1 === ...
0
votes
0answers
81 views

How to enable temperature warning for SMART disk?

I have a scsi disk with SMART enabled and with the following information: # smartctl -d scsi -i /dev/sg1 ... === START OF INFORMATION SECTION === Vendor: SEAGATE Product: ...
3
votes
1answer
3k views

HP DL380 G6: Where is Temperature Sensor 30 (I/O Board Zone)?

In ILO2 firmware 2.15 on my DL380 G6, the Temp 30 sensor (location: I/O Board Zone) indicates 65C and my fans are running at 78% capacity. The Caution level for this zone is 110C, and the Critical ...
0
votes
1answer
208 views

Intel SSB temperature sensor

I have an Intel server motherboard that is reporting an issue with the SSB temperature sensor. I have searched for the acronym but cannot find a definition. What does SSB stand for?
1
vote
0answers
266 views

Dell Poweredge 2950 with E5430 Temperature

So I just picked up a few Poweredge 2950 servers and I have them set up with Windows Server 2012. I installed Core Temp to monitor CPU temperature. One server has a CPU operating temp of the following ...
1
vote
1answer
133 views

ipmitool pef temperature soft shutdown

Recently I've had the technicians switch off the cooling system in the server room, without notifying me first. Since the compute nodes do have IPMI cards from different manufacturers installed, I'd ...
2
votes
2answers
1k views

When do Dell PowerEdge servers (R210II and R620) automatically shutdown due to over heating?

I've had a hell of a time trying to find out when and how a Dell PowerEdge server (in my case we have a bunch of R210IIs and R620s with iDRACs) deals with overheating. I don't want to wait for the CPU ...
-1
votes
2answers
136 views

Do all PowerEdge servers have thermal CPU protection?

Cant seem to find anyhting about it. I could test it tho, but a quicky for anyone having the answer. Do all PowerEdge servers have a upper CPU temp limit for shutting down? I'm currently playing with ...
0
votes
1answer
150 views

How to address a recurring low temperature error seen at every boot-up?

After updating to latest controller firmware, I started receiving the following error messages: LSI 2208 ROC: Temperature sensor below error threshold on enclosure 1 Sensors 5 thru 7 Is this ...
44
votes
14answers
109k views

What is the correct temperature for a server room?

When I was working in our server room, I noticed that it was very cold. I know that the server room has to be cold to offset the heat of the servers, but perhaps it is TOO cold. What is an ...
35
votes
34answers
38k views

Monitoring server room temperature

I have a small server room with its own AC unit. Recently, the AC died, and the temperature increased from 70 F to > 90 F. We rarely go in this room, so I was lucky that someone happened to notice ...
2
votes
1answer
400 views

Temperature in server room

I was just wondering if anyone had an idea if the following values for a server room are acceptable or what needed to be changed. In the room the temperature is 17c with RH of 38% and Dewpoint of ...
1
vote
3answers
4k views

Nagios & Temperature

I'm currently running Nagios 3 on Linux, with Windows clients using NSClient++. The Windows clients (8) will be put into a hot humid environment. I have all the basic checks working for CPU, RAM, etc ...
2
votes
1answer
254 views

FBDIMM Thermal/TDP Issue

I've got a 2U dual Xeon server with 8x 2GB DDR2 FBdim/ECC ram, on an intel s5000PSL board. It's stable, the ram memtests clean and both CPUs are running cool (35C). Half of the sticks run ~60-65C, ...
1
vote
2answers
181 views

What causes servers to reload or shut down if COLO temperature is around 35C or above?

What causes servers to shut down or reload in case of high temperature? For example Juniper network equipment running Junos OS will halt the routing engine if it's CPU temperature remains above 100C ...
1
vote
1answer
70 views

Blackout Blind for a server room

Would getting a blackout blind reduce the temperature of my server room? I have already silvered the windows and our aircon is struggling but we are not in a position to be able to replace the aircon ...
0
votes
3answers
320 views

Core temperatures 10 degrees higher in one CPU than another, is this cause for concern? [closed]

We have a new Dell server with a pair of 6-core Xeon 2620s for a total of 12 cores. Using Speedfan/HW Monitor, I notice that the cores associated with one of the CPUs run about 10 degrees hotter ...
0
votes
2answers
287 views

How do I re-enable the IPMI temperature sensors?

I've never had a problem reading temperature sensors with ipmitool on my server, but recently the temperature readings started showing up as disabled: # ipmitool sdr list Temp | disabled ...
0
votes
1answer
568 views

Enabling Temperature Support on LSI MegaRaid Cards

I've got two IBM ServeRAID M5014 SAS/SATA Controller cards in two different machines. One reports drive temperatures, the other does not. I am hopping that it is some type of megacli option that I can ...
0
votes
1answer
232 views

Refresh a specific page in ilo 4

I use iLo 4 for my HP dl380 gen 8. I access iLo webpage using internet explorer 10. (Although I would gladly use another browser if anyone can recommend a better one for iLo access). How can I ...
0
votes
3answers
1k views

Graphing temperature over time for HP iLo 4

Server: HP DL380p Gen 8, running latest iLo 4. One sensor, Sensor #25 for the HD Controller, tends to run a bit hot when compared to the other sensors. It tends to read 75 C. Caution temp is 100 C. ...
1
vote
1answer
119 views

cacti : Terminology about ups, room temperature etc

We use cacti for graphing lots of metrics : Windows server related metrics go under a branch called "windows". Unix, Linux and storage metrics go under a branch called "Unix". Switch, firewalls, ...
6
votes
5answers
9k views

automatically shutting down an ESXi host nightly

We just picked up a new development server that I've loaded ESXi on. The room it's in is well ventilated during the day but at night the door is closed and it gets quite toasty in there. I've been ...
4
votes
4answers
4k views

LSI MegaRaid - get HDD temperature

Is there any way to get a drive temperature using MegaCLI or any other utility? Like "tw_cli /cx/px show temperature" in 3ware. OS: Solaris x86.
2
votes
1answer
62 views

What to look for in a rack that has to survive extreme conditions

I work for a 2-way radio company, and we're spec'ing out a mountain top digital radio repeater system, that will require a server and a switch setup. What should I be looking for in a rack cabinet ...
0
votes
2answers
1k views

How to check CPU temperature on a HP P2000?

I have an HP StorageWorks MSA Storage P2000 G3 SAS array. show sensor-status gives something like # show sensor-status Sensor Name Value Status ...
0
votes
2answers
1k views

lm-sensors voltage alarms, safe to ignore?

I am building a small NAS server, the motherboards is a Intel D2700MUD (fanless) and the PSU is "Ace Outburst 480W". After installing Ubuntu Server, I installed lm-sensors. The output: ...
1
vote
2answers
3k views

lm_sensors reports wrong temperature on Supermicro X8DT3?

Here's my system info: System Information Manufacturer: Supermicro Product Name: X8DT3 Version: 1234567890 Serial Number: 1234567890 UUID: 3EFC338F-2038-F257-3B5E-0025902BF938 ...
2
votes
5answers
4k views

What temperature monitoring software is avalible for Server 2003, 2008 and 2008 R2?

I don't have much experience working with servers and I need to monitor temperatures for several servers (remotely). I use hwmonitor for my laptops but it doesn't support server hardware. Does anyone ...
1
vote
1answer
353 views

Using grep/regex to get array of temperatures

I'm trying to setup some basic temperature monitoring on my server - (without using third-party tools). I've installed a couple of libraries on my linux box to get sensors working on my server, and ...
2
votes
4answers
542 views

Is it possible that hard drive temperature reading is inaccurate by a large margin?

I have a 3 - 4 year old 250GB WD hard drive that has shown abnormally high temperature readings ever since I bought it. The temperatures were so much higher than expected that I ended up attributing ...
1
vote
1answer
667 views

linux kernel 3.0.0 i7 CPU overheats and locks up

The server with i7 CPU (Intel(R) Core(TM) i7 CPU 950 @ 3.07GHz) under linux kernel 3.0.0 (3.0.0-10-server) generally works properly, but when it is put under heavy load - it overheats (as shown by ...
2
votes
1answer
686 views

Standard Operating Temperature Range for Xserve PSUs

We use Lithium for network monitoring. For Xserves, by default it throws an alert when the PSU temperature goes above 65°C. Lately, we've been getting multiple alerts a day with the temperature ...
1
vote
4answers
1k views

Monitor Dell thermal sensors in FreeBSD?

I'm trying to remotely monitor temperature sensors within two Dell PowerEdge 6850's. I have a fear that the building we are in is turning off the air conditioning on the weekends to save power, which ...
5
votes
4answers
4k views

Maximum safe hard drive temperature?

I have two new-ish 1TB hard drives in my server, both running at 38 degrees C at the moment. Should I be worried?
2
votes
1answer
5k views

PowerShell Script to Gather System Temperature

Does anyone have a PowerShell Script they use to gather system temperature information? This is not to replace external sensors, just another way to monitor the health of a system from a temperature ...
0
votes
2answers
194 views

When to add air conditioners [duplicate]

Possible Duplicate: What is the correct temperature for a server room? We're a small company with a 200 foot back room we use as a server room. It has no fans and no ventilation. Right ...
0
votes
1answer
198 views

OSX: Watching tempeture trends based on Ambient Tempeture

So I noticed a temperature monitor cleverly labeled "Ambient." Knowing that the sensor is inside my computer, I can get a decent temperature check on my overly hot dorm room if I check it as soon as I ...
3
votes
3answers
4k views

How to check CPU/HDD temperature under XenServer 5.6?

Is it possible to check the temperature of the CPU and locally attached SATA/IDE HDDs under XenServer 5.6? Can I install lm-sensors?
2
votes
4answers
792 views

SNMP-capable temperature probes [closed]

I'm looking for a SNMP temperature monitoring solution to put into my racks. Idealy this thingy would be an ethernet device with SNMP capability. I'd like to put two of these probes as top of rack and ...
5
votes
3answers
1k views

Server Room Temperature Control - Does anyone have a similar setup?

Our Server room is located in the middle of our building and has no access to a window or outside ventilation. I had a quote done by a local heating/air conditioning company to install a room specific ...
7
votes
6answers
376 views

Computer controlled winch

It was a long time coming but I've just had AC installed in my server room. I've also purchased a MiniGoose II from ITWatchDogs which I can't say enough about. So I'm covered by cooling, and I'll be ...