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i have a Server (Siemens Primergy Rx 300) with SLES 11 . The Server shuts itself down at 00 : 00 . And I don't know what the reason is. The Installation is fresh (4 days ago) .

And i don't know where to start looking for the reason. The Shutdown is a regular shutdown. Maybe someone knows where to start looking :)

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up vote 2 down vote accepted

Check the logs under /var/log for the time immediately prior to the shutdown

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I found the reason in /var/log/messages .... it was pm-profiler . THANKS for the hint – n00ki3 Nov 16 '09 at 20:32

Ask the cleaner what they unplug when there are no sockets free and they need to use the vacuum cleaner :-)

Seriously though, I'd start by having a look at the files in and around /etc/crond.d - look in the scripts for anything that mentions shutdown, poweroff - something like that?

Cheers, jmi

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Is the server connected to a UPS? If so make sure it's properly sized and has a good battery. I have seen UPS's fail when they do a battery check when the battery is near the end of its life or the UPS is overloaded.

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Some UPS's will also send a shutdown signal to the devices it powers. – Brent Nov 5 '09 at 22:43

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