topic Temp HP in Operating System - HP-UX

Temp HP

Ferdi Castro — Sat, 08 Jul 2006 05:46:01 GMT

Hi,

Just wanna ask if there is such a wy to get temperature reading in an HPUX server both remote and through console?

Thanks
Ferdi

Re: Temp HP

spex — Mon, 10 Jul 2006 12:46:50 GMT

Hi Ferdi,

Check out this thread:

http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=181328

PCS

Re: Temp HP

Pete Randall — Mon, 10 Jul 2006 12:51:25 GMT

Check your UPS - it may have the capability. I know some of the larger APC units have temperature sensors.

Pete

Re: Temp HP

Jaime Bolanos Rojas. — Mon, 10 Jul 2006 12:55:03 GMT

Ferdi,

I have seen some servers they monitor their own temperature, with a special type of sensor, if they are too hot, the ems can be configure to even send you a notification.

But something to check the temp all the time on the server, I do not know of one, even thought there are solutions that will check your data center temp, with with that you can have an idea of what is going on in the server room.

You can check this link:
http://www.monitortools.com/environmental/

and this thread.
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=213531&admit=-682735245+1152553684560+28353475

Regards,

jaime.

Re: Temp HP

Bill Hassell — Mon, 10 Jul 2006 14:31:31 GMT

Unlike recent PCs, the servers do not have a digital thermometer built in to take readings. There are two temperature limits (depending on the hundreds of models of computers where HP-UX will run) which are early warning (about 95 to 105 deg F) and hi-temp shutdown (about 110 to 115 deg F). You do not want to approach either temperature limit and you cannot rely on the computer to warn you. The computer is only one small part of the picture. What good is a computer that shut itself off when the temperature went over 130 deg F and all of your external disks and tape drives and network appliances have been destroyed?

Managing any sized data center means that both power and temperature are controlled with fallbacks including a complete disconnect of all power to everything when the temperature goes over 115 deg F. There is no way to get someone paged to the data center Saturday morning at 2 AM in order to fix the problem before equipment is destroyed.

There are several companies that supply web-based monitoring tools for temp, humidity, power and even leaking water (always a problem in a data center). As a minimum, most modern UPS boxes have temperature and power (load, voltage, battery capacty) measurements through a LAN card but you still need to link the data to a failsafe system to prevent major damage even when the sysadmin is stuck in traffic.

Re: Temp HP

Torsten. — Mon, 10 Jul 2006 15:41:38 GMT

even if some hp servers can determine the "heigh over ground" (no joke), there is a common handling of critical temperatures, see man envd. The critical temp depends on the model.

The server knows about the temp, if you want to know it too, use a thermometer.