Service flapping/recovery

Andrea Gabellini andrea.gabellini at telecomitalia.sm
Fri Jan 27 14:01:21 CET 2006


Hi,

I noticed a strange behavior of a service. Nagios send regularly the notification on critical state. 
After that the service start flapping and then recover from flapping and critical state. But Nagios 
doesn't send the recovery notifiocation. The notification_options for this service is setup as 'c,r'.

This is a bug or a feature?

Attached a recent alarm history.



January 27, 2006 10:00 	
Service stopped flapping[27-01-2006 10:16:38] SERVICE FLAPPING ALERT: rt_backend;CPU_CISCO;STOPPED; 
Service appears to have stopped flapping (3.8% change < 5.0% threshold)

January 27, 2006 09:00 	
Service Ok[27-01-2006 09:38:29] SERVICE ALERT: rt_backend;CPU_CISCO;OK;HARD;3;CPU Load: 47% (1 min) - OK
Service Warning[27-01-2006 09:36:29] SERVICE ALERT: rt_backend;CPU_CISCO;WARNING;HARD;3;CPU Load: 
63% (1 min) > 50 - WARNING
Service started flapping[27-01-2006 09:34:30] SERVICE FLAPPING ALERT: rt_backend;CPU_CISCO;STARTED; 
Service appears to have started flapping (22.6% change >= 20.0% threshold)
Service Critical[27-01-2006 09:34:29] SERVICE ALERT: rt_backend;CPU_CISCO;CRITICAL;HARD;3;CPU Load: 
80% (1 min) > 75 - CRITICAL
Service Warning[27-01-2006 09:32:29] SERVICE ALERT: rt_backend;CPU_CISCO;WARNING;HARD;3;CPU Load: 
68% (1 min) > 50 - WARNING
Service Critical[27-01-2006 09:26:29] SERVICE ALERT: rt_backend;CPU_CISCO;CRITICAL;HARD;3;CPU Load: 
80% (1 min) > 75 - CRITICAL
Service Warning[27-01-2006 09:08:29] SERVICE ALERT: rt_backend;CPU_CISCO;WARNING;HARD;3;CPU Load: 
61% (1 min) > 50 - WARNING
Service Warning[27-01-2006 09:07:29] SERVICE ALERT: rt_backend;CPU_CISCO;WARNING;SOFT;2;CPU Load: 
54% (1 min) > 50 - WARNING
Service Warning[27-01-2006 09:06:29] SERVICE ALERT: rt_backend;CPU_CISCO;WARNING;SOFT;1;CPU Load: 
56% (1 min) > 50 - WARNING
Service Ok[27-01-2006 09:02:29] SERVICE ALERT: rt_backend;CPU_CISCO;OK;SOFT;2;CPU Load: 42% (1 min) - OK
Service Warning[27-01-2006 09:01:29] SERVICE ALERT: rt_backend;CPU_CISCO;WARNING;SOFT;1;CPU Load: 
53% (1 min) > 50 - WARNING
-- 

---------------------------------------
Psssst! Hey you! Look out! Behind you!
---------------------------------------
Ing. Andrea Gabellini
Email: andrea.gabellini at telecomitalia.sm
Tel: 0549 886111 (Italy)
Tel. +378 0549 886111 (International)

Telecom Italia San Marino S.p.A.
Strada degli Angariari, 3
47891 Rovereta
Repubblic of San Marino

http://www.omniway.sm  http://www.telecomitalia.sm


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