Andreas, >> Also, along those lines... I recently moved from the 1.2 Nagios to the >> more recent 2.4-2.5 Nagios. Nagios 1.X seemed to only trigger a host >> check if a service check failed. Nagios 2.X seems to ALWAYS run host >> checks in addition to service checks. The fact that host checks are >> currently not run in parallel seems like this can really limit performance. >> >> Why did that behavior change? >> > > It didn't. Or rather, it wasn't supposed to. I haven't seen anything of > the kind in any of our ~160 customers installations, so I'm fairly > certain this doesn't happen for all setups. What does your nagios.log > report on the ~15 lines prepending the host-check entry? >
[1165968000] LOG ROTATION: DAILY [1165968000] LOG VERSION: 2.0 [1165968000] CURRENT HOST STATE: Cairns;UP;HARD;1;PING OK - Packet loss = 0%, RTA = 0.93 ms [1165968000] CURRENT HOST STATE: FH-Gateway;UP;HARD;1;PING OK - Packet loss = 0%, RTA = 0.19 ms [1165968000] CURRENT HOST STATE: Perth;UP;HARD;1;PING OK - Packet loss = 0%, RTA = 0.08 ms [1165968000] CURRENT HOST STATE: SC-Gateway;UP;HARD;1;PING OK - Packet loss = 0%, RTA = 5.89 ms [1165968000] CURRENT HOST STATE: Sydney-1;UP;HARD;1;PING OK - Packet loss = 0%, RTA = 6.62 ms [1165968000] CURRENT HOST STATE: Sydney-2;UP;HARD;1;PING OK - Packet loss = 9%, RTA = 9.10 ms [1165968000] CURRENT SERVICE STATE: Cairns;- OVERALL SERVER AVAILABILITY;OK;HARD;1;PING OK - Packet loss = 0%, RTA = 1.15 ms ---- the above line is repeated for every host/service combination ---- [1165968024] Warning: The results of host 'Cairns' are stale by 45 seconds (threshold=15 seconds). I'm forcing an immediate check of the host. ---- the above line is repeated for every host ---- The "stale by xx seconds" varies between 40 and 70 seconds. However in Nagios' front-end, scheduled hosts checks are apparently disabled: Last Check Type: ACTIVE Last Check Time: 13-12-2006 15:19:18 Status Data Age: 0d 0h 0m 59s Next Scheduled Active Check: N/A ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ 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
