check_ntp offsets

[Onotsky, Steve x55328]

> -----Original Message-----
> From: Chris [mailto:atstake at gmail.com]
> Sent: August 18, 2009 21:56
> To: nagios-users ML
> Subject: [Nagios-users] check_ntp offsets
> 
> I am running check_ntp plugin and I have setup an offset threshold of
> -w 200 -c 300 but Nagios is still showing "Offset -102.234564 secs"
> (Warning)
> 
> Running check_ntp from command line shows NTP OK
> (/usr/lib/nagios/plugins/check_ntp -H hostname -w 200 -c 300)
> 
> Output: NTP OK: Offset -102.234564
> secs|offset=-102.234564s;200.000000;300.000000;
> 
> Here is what I have added:
> 
> edit /etc/nagios/objetcs/command.cfg and add:
> 
> define command{
>         command_name check_ntp
>         command_line $USER1$/check_ntp -H $HOSTADDRESS$ -w $ARG1$ -c
> $ARG2$
> }
> 
> edit /etc/nagios/objetcs/server.cfg and add:
> 
> define service{
>         use                             critical-service
>         host_name  			hostname
>         service_description             NTP
>         check_command                   check_ntp!200!300
>         }

According to your check definition, the result is absolutely correct.
You asked it to warn you if the offset is more than 200 seconds, and go
critical if over 300 seconds.

What you were probably hoping for were thresholds in milliseconds.  In
that case, you'll want to set -w and -c to fractional values ("-w 0.2 -c
0.3", or whatever values you actually want as thresholds).

Cheers

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