Question about host checks

[Simone Felici]

Please help, noone has an idea?
Ah, my Nagios version (Nagios 3.0.3).
Also why all my hosts are checked more or less every 4 seconds? :(
Thank's!

simon

Simone Felici ha scritto:
> Hi to all!
> 
> I'm using nagios for a long time and this is the first time I ask a question... it means until today all is gone 
> perfectly, great product!
> A week ago I've installed 'ndoutils-1.4b7' to log into a MySQL server.
> After some days I've seen the table 'nagios_hostchecks' is groving up very fast, its 3 times bigger than 
> 'nagios_servicechecks' even if I've 688 hosts and 1346 services, also more services than hosts.
> Analyzing the content of the 'nagios_hostchecks' table, I've seen It seems Nagios is checking the host status VERY OFTEN.
> Also checking the nagios Queue and the "Last Check Time" of my hosts, the date/time is updating every few seconds.
> Should not nagios check the host state only on demand when needed? It happens on all my hosts.
> I paste an example of one host configuration:
> 
> 
> host...
> 
> define host {
>          host_name                       <cut_my_host>
>          alias                           Windows 2000 Server
>          address                         <cut_my_ip>
>          use                             host_alarm_A
>          parents                         <cut_my_sw_parent>
>          contact_groups                  noc-group,tech24h-group
> }
> 
> 
> ...template...
> 
> define host {
>          name                            host_alarm_A
>          process_perf_data               0
>          retain_status_information       1
>          flap_detection_enabled          0
>          retain_nonstatus_information    1
>          active_checks_enabled           1
>          passive_checks_enabled          0
>          check_period                    24hx7
>          obsess_over_host                0
>          check_freshness                 0
>          check_command                   check-host-alive
>          max_check_attempts              2
>          event_handler_enabled           0
>          notifications_enabled           1
>          notification_interval           3600
>          notification_period             24hx7
>          notification_options            d,u,r
>          register                        0
> }
> 
> ...check
> 
> define command {
>                  command_name                    check-host-alive
>                  command_line                    /usr/local/nagios/libexec/check_ping -H $HOSTADDRESS$ -w 3000.0,80% -c 
> 5000.0,100% -p 1
> }
> 
> 
> Any suggestion?
> 
> Thank's!
> 
> Simon
> 
>

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