Perf Data Issue

Paul Wilson paulalexwilson at gmail.com
Thu Jan 24 18:31:33 CET 2008


Hi All,

Firstly, thanks for everyone involved with Nagios, its a fantastic
piece of softwarel!

My problem is that I cannot enable performance data from my monitors.
I'm running the latest version of nagios2 which I downloaded a week
ago, and compiled it with the default perfdata setting.

I have also installed pnp successfully, however it tells me that there
are no valid rrdfiles in the given host's directory.

I've set up the follow configuration options in my nagios.cfg:

process_performance_data=1

host_perfdata_command=process-host-perfdata
service_perfdata_command=process-service-perfdata

And in my commands.cfg

define command {
       command_name    process-host-perfdata
#       command_line    /usr/bin/perl
/usr/local/nagios/libexec/process_perfdata.pl -d HOSTPERFDATA
        command_line    /bin/echo -e
"$LASTCHECK$\t$HOSTNAME$\t$HOSTSTATE$\t$HOSTATTEMPT$\t$STATETYPE$\t$EXECUTIONTIME$\t$OUTPUT$\t$PERFDATA$"
>> /usr/local/nagios/var/host-perfdata

Notice I've commented out the process_perfata.pl line in favour of a
simple echo to a file, just for testing.

I have also restarted the nagios process to take into account my changes.

I have a host set up to monitor with the check_icmp command:

-rwsr-xr-x 1 root root 30524 2007-10-22 15:17 check_icmp

A simple check determines that it's returning performance data:
./check_icmp -H 128.1.2.181
      OK - 128.1.2.181: rta 0.451ms, lost
0%|rta=0.451ms;200.000;500.000;0; pl=0%;40;80;;

And the service command looks like:

define service{
        use                           generic-service
        host_name                Virgin.Invader            ; All our
boxes are named after trains
        service_description     ICMP Echo Stats
        check_command        check_icmp
}

Within Nagios I get the status printed without problems, but no
/usr/local/nagios/var/host-perfdata exists.

I've checked books and online articles for a solution but I guess I
must be doing something fundimentally wrong.

Any help would be massively appreciated!?

Thanks,
Paul

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