[Beowulf] Monitoring crashing machines
carsten.aulbert at aei.mpg.de
Tue Sep 9 07:16:28 EDT 2008
Geoff Galitz wrote:
> You can also configure any standard (distribution shipped) syslog to log
> remotely to your head node or even a seperate logging master. Anything that
> gets reported to the syslog facility can be reported/archived in this
> manner, you just need to dig into the documentation (e.g. man syslog, man
> syslog.conf, man 5 syslog, etc) to figure out the configuration you need.
> It is actually pretty straight-forward. Logging the I/O errors or any other
> kernel driver output should be no problem.
> Most standard syslog mechanisms will not let you cleanly create a hierarchy
> such as what syslog-ng will give you, but I find that simply grepping one or
> two central log files works better for me, anyways.
That's what we tried yesterday and it did not work nicely. The client
machine got an entry like
(end syslogd was restarted) and the loghost got the -r flag added to
enable listening for remote calls.
We did get a few messages, albeit not from the kernel when an error
happened. I'll have another look today, maybe I did something wrong.
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