On Thu, Jul 31, 2008 at 4:56 PM, Sean McAfee <[EMAIL PROTECTED]> wrote: > Michael Weiner wrote: >> My only question after reading the redundant network monitoring >> documentation is, how to do a remote check on the nagios process? Can >> this be wrapped in nrpe? >> >> Thanks > > Exactly that - slaves monitor the master (and vice-versa) via a > nrpe-wrapped check_nagios that checks /var/spool/nagios/nagios.log (runs > every minute). This is where the event handler is kicked off on any > HARD state change. > > Since any large-scale problem will result in moderate-to-severe latency > as checks timeout and reschedule (especially if send_nsca is timing out > on passive result submissions as well), there's also a cron job that > runs every two minutes that basically does the same thing, just outside > the guise of the actual Nagios daemon. > > The only drawback is it can't self-demote (or you'd be spamming the > external command file every time it runs). Prompt self-promotion is the > primary goal here, so some latency in self-demotion is perfectly > acceptable since the only risk is receiving redundant notifications from > each slave for any globally-monitored hosts. >
That all makes good sense to me :) Thanks Michael ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Nagios-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/nagios-users ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null
