> Quoting u...@3.am: > >> We have Nagios monitoring a variety of services on roughly 50 >> separate servers. Several of them >> are mail servers, but only the "main" (that contains most of the >> Nagios notification recipients) >> one has this problem. >> >> The mail server will start to become unresponsive so just about any > >> input (but pings fine). > > This is a mail server issue. You would need to determine exactly what > process(es) have become unresponsive and why.
We're still trying to figure that out...but the question for this list is why Nagios would go nuts. > >> Simultaneously, Nagios, which is on a separate server, will send > out >> notifications that every >> service on every server is down because Nagios cannot reach them. > > > Why can't it reach them? Is your mail server also your router? Good Gosh, no! That's why this is so puzzling. Thanks for your response. > Terry > >> Since almost all of them go >> through this problem mail server, including those that forward to >> text messaging services, they >> will stop and resume again when the mail server is either rebooted, > >> or otherwise is brought back >> to life...sometimes by restarting the LDAP server process on it. >> >> There are perhaps a few dozen total email destinations for >> notifications. Even multiplying this >> times the total number of services that Nagios monitors, it doesn't > >> seem likely that it's just >> volume of emails generated by Nagios would cause all this. It is > a >> fairly modern, multiprocessor >> server (CentOS/Sendmail). >> >> Can anyone offer any insight or similar experiences? >> >> Thanks in Advance! >> >> > ------------------------------------------------------------------------------ >> All the data continuously generated in your IT infrastructure > contains a >> definitive record of customers, application performance, security >> threats, fraudulent activity and more. Splunk takes this data and > makes >> sense of it. Business sense. IT sense. Common sense.. >> http://p.sf.net/sfu/splunk-d2d-c1 >> _______________________________________________ >> Nagios-users mailing list >> Nagios-users@lists.sourceforge.net >> 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 >> > > > > -- > Terry Carmen > CNY Support, LLC > Web. Database. Business. > http://www.cnysupport.com > > ------------------------------------------------------------------------------ > All the data continuously generated in your IT infrastructure contains a > definitive record of customers, application performance, security > threats, fraudulent activity and more. Splunk takes this data and makes > sense of it. Business sense. IT sense. Common sense.. > http://p.sf.net/sfu/splunk-d2d-c1 > _______________________________________________ > Nagios-users mailing list > Nagios-users@lists.sourceforge.net > 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 > ------------------------------------------------------------------------------ All the data continuously generated in your IT infrastructure contains a definitive record of customers, application performance, security threats, fraudulent activity and more. Splunk takes this data and makes sense of it. Business sense. IT sense. Common sense.. http://p.sf.net/sfu/splunk-d2d-c1 _______________________________________________ Nagios-users mailing list Nagios-users@lists.sourceforge.net 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