Re: How to know the problem is overheating in the hardware
- From: tboss@xxxxxxxxxxxxxxxxxx
- To: JHostetter@xxxxxxxxxxxxxxxxxxxx
- Date: Wed, 5 Oct 2005 09:53:34 -0400 (EDT)
We see this with our HP/UX boxes constantly. We've got them stored in
this janitor closet-turned-server room (always a bad idea).
In hp, look in /var/adm/syslog/syslog.log, you'll see messages like this:
(cut-n-pasted from my dev server)
Aug 25 07:42:29 HOSTNAME /usr/sbin/envd[1181]: ***** OVERTEMP_CRIT WARNING *****
Aug 25 07:42:29 HOSTNAME /usr/sbin/envd[1181]: Temperature exceeded the normal
operation threshold. Correct the over-temperature condition.
This doesn't necessarily crash the server, just tells you its getting hot.
Eventually though the machine will just shutdown; hope you have backups.
We have Solaris, Windows, Linux boxes in the same room w/ no temp issues.
Its really a SA issue; if you have a sys admin who's not being proactive about
this, you really can't do much else except talk to the guys' manager. I guess
in theory you could run Oracle processes to grep for keywords out of the syslog
and report back ... but you're the DBA right? You have enough other things
to worry about (like whether or not to put on Autoextend on all your
tablespaces ... ah I love religious arguments). :-)
todd
>
> The only problem I've ever experienced, is that the server actually
> shuts down. What problem were you seeing? Our sys admins get warnings
> when the temperature starts getting too high. I think the trick is to
> investigate if your box issues warnings about the temperature. I don't
> know enough about the subject to say if that is OS or hardware specific.
>
> Jay
>
> Subject: How to know the problem is overheating in the hardware
>
> Hi list,
> recently I had a problem with a customer, we solved the problem but the
> situation was really strange, it seemd to be something in the hardware.
>
> Some week ago I went to his office and discovered they had a problem
> with aeration, the room where is the computer was extremely hot.
>
> The point is, if there is some trick to know if there is a problem cause
> by exposing the server to overheating for some periods, from Oracle
> database.
> I don't think there is, but I ask anyway.
>
> Thank you.
>
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