<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <meta name="Generator" content="Microsoft Word 14 (filtered medium)"> <style></style> </head> <body lang="EN-GB" link="blue" vlink="purple"> <div class="WordSection1"> Hi,<o:p></o:p> <o:p> </o:p> I noticed the following oddity the other day :<o:p></o:p> <o:p> </o:p> When I set the notification interval to 5 mins I see in Ninja GUI (I use naemon+merlin) the notification listed as sent but NO actual notification was sent out. <o:p></o:p> <o:p> </o:p> When I enable debug logs in naemon I see :<o:p></o:p> <o:p> </o:p> [1442523762.409221] [032.0] [pid=28500] ** Service Notification Attempt ** Host: ‘machineX’, Service: 'Service X’, Type: NORMAL, Options: 0, Current State: 2, Last Notification: Thu Sep 17 23:02:42 2015<o:p></o:p> [1442523762.409273] [032.0] [pid=28500] SERVICE NOTIFICATION SUPPRESSED: machineX;Service X;Re-notification blocked for this problem because not enough time has passed since last notification.[1442523762.409287] [032.1] [pid=28500] Next valid notification time: Thu Sep 17 23:07:42 2015<o:p></o:p> 1442523762 = Thu, 17 Sep 2015 21:02:42 GMT = Thu, 17 Sep 2015 23:02:42 (Local time)<o:p></o:p> <o:p> </o:p> (do note the 3rd log entry which doesn’t seem to be on a new line ? this is how I see it in the logs)<o:p></o:p> <o:p> </o:p> As you can see last notification time in the first entry = the notification time of the current notification attempt. <o:p></o:p> <o:p> </o:p> It’s as if Naemon somewhere starts notifying and updates a lot of internal counters/variables (including last_notification_time) and then suddenly afterwards decides to check the notification_interval value and reconsiders. <o:p></o:p> <o:p> </o:p> 5 minutes later exactly the same in the log except the last_notification is again set to the time of the current notification and so on … basically rendering renotifications useless.<o:p></o:p> <o:p> </o:p> 1442524062 = Thu, 17 Sep 2015 21:07:42 GMT = Thu, 17 Sep 2015 23:07:42 (local time)<o:p></o:p> [1442524062.422325] [032.0] [pid=28500] ** Service Notification Attempt ** Host: 'hostX', Service: 'serviceX', Type: NORMAL, Options: 0, Current State: 2, Last Notification: Thu Sep 17 23:07:42 2015<o:p></o:p> [1442524062.422370] [032.0] [pid=28500] SERVICE NOTIFICATION SUPPRESSED: hostX;serviceX;Re-notification blocked for this problem because not enough time has passed since last notification.[1442524062.422382] [032.1] [pid=28500] Next valid notification time: Thu Sep 17 23:12:42 2015<o:p></o:p> <o:p> </o:p> As usual: as far as I can tell the config is ok. <o:p></o:p> Naemon Core 2015.c.1 (obtained from git5 repo)<o:p></o:p> Any pointed would be appreciated <o:p></o:p> Frederik Vervaet UNIX Monitoring (HES) | ITS/IIS <o:p></o:p> http://mon.bc<a href="http://www.proximus.be/"> <img border="0" width="140" height="30" id="_x0000_i1029" src="cid:image001.png@01D0F19F.C3F6F460" alt="Proximus"></a> Connect with us on: <a href="https://www.facebook.com/proximusBe"><img border="0" width="10" height="20" id="_x0000_i1028" src="cid:image002.png@01D0F19F.C3F6F460" alt="Proximus Facebook"></a> <a href="https://twitter.com/proximus"><img border="0" width="25" height="20" id="_x0000_i1027" src="cid:image003.png@01D0F19F.C3F6F460" alt="Proximus Twitter"></a> <a href="https://www.youtube.com/proximus"><img border="0" width="29" height="20" id="_x0000_i1026" src="cid:image004.png@01D0F19F.C3F6F460" alt="Proximus YouTube"></a> <a href="https://www.linkedin.com/company/proximus"><img border="0" width="20" height="20" id="_x0000_i1025" src="cid:image005.png@01D0F19F.C3F6F460" alt="Proximus LinkedIn"></a><o:p></o:p> <o:p> </o:p> </div> <hr> ***** Disclaimer ***** http://www.proximus.be/maildisclaimer </body> </html>