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Стоит нагиос, настройки: define contact{ name generic-contact ; The name of this contact template service_notification_period 24x7 ; service notifications can be sent anytime host_notification_period 24x7 ; host notifications can be sent anytime service_notification_options c,r ; send notifications for all service states, flapping events, and scheduled downtime events host_notification_options d,u,r,f,s ; send notifications for all host states, flapping events, and scheduled downtime events service_notification_commands notify-service-by-email,notify-host-by-sms ; send service notifications via email host_notification_commands notify-host-by-email,notify-host-by-sms ; send host notifications via email register 0 ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL CONTACT, JUST A TEMPLATE! } define service{ name generic-service ; The 'name' of this service template active_checks_enabled 1 ; Active service checks are enabled passive_checks_enabled 1 ; Passive service checks are enabled/accepted parallelize_check 1 ; Active service checks should be parallelized (disabling this can lead to major performance problems) obsess_over_service 1 ; We should obsess over this service (if necessary) check_freshness 0 ; Default is to NOT check service 'freshness' notifications_enabled 0 ; Service notifications are enabled event_handler_enabled 1 ; Service event handler is enabled flap_detection_enabled 1 ; Flap detection is enabled failure_prediction_enabled 1 ; Failure prediction is enabled process_perf_data 1 ; Process performance data retain_status_information 1 ; Retain status information across program restarts retain_nonstatus_information 1 ; Retain non-status information across program restarts is_volatile 0 ; The service is not volatile check_period 24x7 ; The service can be checked at any time of the day max_check_attempts 3 ; Re-check the service up to 3 times in order to determine its final (hard) state normal_check_interval 30 ; 10, Check the service every 10 minutes under normal conditions retry_check_interval 1 ; 2, Re-check the service every two minutes until a hard state can be determined contact_groups admins ; Notifications get sent out to everyone in the 'admins' group # notification_options w,u,c,r,f,s ; Send notifications about warning, unknown, critical, and recovery events notification_options c,r ; Send notifications about warning, unknown, critical, and recovery events notification_interval 1440 ; Re-notify about service problems every hour notification_period 24x7 ; Notifications can be sent out at any time register 0 ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL SERVICE, JUST A TEMPLATE! } Не хочет фиксировать notification, start & stop flapping отсылает, Critical и OK нет, почему? host down & host up так же работает....

Жил был себе nagios до тех пор, пока не начались у нас веерные отключения районов. И заметил очень не хорошую штучку, когда добрая часть свичей недоступная - нагиос начинает валить своим арп сеть. Где там что подкрутить, чтобы он так сильно не злился? Ось дебин.