Please show the service definition. How do you launch the check? By ssh, by nrpe? Seems you're using the same IP address or dns name as the hostname value. Can you verify this? <div class="gmail_quote"> On Fri, Mar 9, 2012 at 1:19 PM, Wolf Halton <<a href="mailto:wolf.halton@gmail.com">wolf.halton@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> All my machines show a similar output, regardless of how much is available on their root partitions. Root Partition OK 03-09-2012 07:11:08 28d 22h 18m 15s 1/3 DISK OK - free space: / 15903 MB (86% inode=93%): Up to and including ones that are 100% full. No alarms - ever. Is a client app needed on the monitored clients that has not been mentioned? -Wolf -- This Apt Has Super Cow Powers - <a href="http://sourcefreedom.com" target="_blank">http://sourcefreedom.com</a> Advancing Libraries Together - <a href="http://LYRASIS.org" target="_blank">http://LYRASIS.org</a> ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. <a href="http://www.accelacomm.com/jaw/sfnl/114/51521223/" target="_blank">http://www.accelacomm.com/jaw/sfnl/114/51521223/</a> _______________________________________________ Nagios-users mailing list <a href="mailto:Nagios-users@lists.sourceforge.net">Nagios-users@lists.sourceforge.net</a> <a href="https://lists.sourceforge.net/lists/listinfo/nagios-users" target="_blank">https://lists.sourceforge.net/lists/listinfo/nagios-users</a> ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null </blockquote></div>