[Nagios-users] Getting graphs for one host, but not another... but both in same hostgroup

es fragment90 at googlemail.com
Thu Oct 14 17:23:40 UTC 2010


  Simple check this site of the pnp4nagios documentation:

http://docs.pnp4nagios.org/pnp-0.4/verify

I think this will help you out finding and analysing the logfiles.


Am 14.10.2010 16:28, schrieb Andrew Davis:
> I've stumbled across something odd. We're using Nagios and PNP4Nagios 
> to get trending and graphs. I have two clients in the same hostgroup. 
> The hostgroup name is "linux-servers". Members are "osiris1" and 
> "imhotep". I'm using NRPE to check each. Relevant config files are 
> below. In a nutshell, I'm getting disk graphs for Osiris1, but not for 
> Imhotep and I can't figure out why. To clarify... the disk graphs are 
> there for both. However, for host Osiris1 they are populated with 
> data. But for host Imhotep they are blank (not non-existent, existent, 
> but blank/empty). Checking manually at the command line of the Nagios 
> server shows the pipe and the subsequent data (tests at bottm of 
> email). I could understand if was monitoring the hosts individually 
> and had a typo in a config for one, but I'm monitoring them as a 
> hostgroup and command line tests work, but one is giving graphs with 
> results and the other blank graphs. Any thoughts?
>
> *hosts.cfg* (/relevant portion/):
>
> ##### Linux Hosts #####
> # -- Linux host
> define host {
>         name                    Linux-Servers
>         register                0
>
>         hostgroups              linux-servers
>         check_command           check-host-alive
>         icon_image              tux.png
>         statusmap_image         tux.png
>         icon_image_alt          Linux Server
>         max_check_attempts      3
>         check_period            24x7
>         contact_groups          unixadmins
>         notification_interval   120
>         notification_period     24x7
>         notification_options    d, u, r, f, s
> }
> define host {
>         host_name               imhotep
>         use                     Linux-Servers
>         alias                   Imhotep (SLES)
>         address                 10.1.1.57
>         parents                 *changed_for_security_reasons*
> }
> define host {
>         host_name               osiris1
>         use                     Linux-Servers
>         alias                   Osiris1 (SLES)
>         address                 10.1.1.52
>         parents                 *changed_for_security_reasons*
> }
>
> *hostgroups.cfg* (/relevant portion/):
>
> ##### Linux Servers #####
> define hostgroup {
>         hostgroup_name          linux-servers
>         alias                   Linux Servers (Checked via NRPE)
>         members                 imhotep, osiris1
> }
>
> *checkcommands.cfg* (/relevant portion/):
>
> define command {
>         command_name            check_nrpe
>         command_line            $USER1$/check_nrpe -H $HOSTADDRESS$ -t 
> 60 -c $ARG1$
> }
>
> *services.cfg* (/relevant portion/):
>
> define service {
>         hostgroup_name                  linux-servers
>         service_description             DISK
>         check_command                   check_nrpe!check_disks
>         max_check_attempts              3
>         normal_check_interval           15
>         retry_check_interval            5
>         check_period                    24x7
>         notification_interval           120
>         notification_period             24x7
>         notification_options            w, u, c, r, f, s
>         contact_groups                  unixadmins
>         action_url                      
> /nagios/pnp/index.php?host=$HOSTNAME$&srv=$SERVICEDESC$
> }
>
> Manual tests from Nagios command line:
>
> [nagios at nephilim ]$ /usr/local/nagios/libexec/check_nrpe -H imhotep -c 
> check_disks
> DISK OK| /=37431MB;62067;65515;0;68964 /dev/shm=0MB;7187;7586;0;7986 
> /srv=487666MB;857825;905482;0;953139 
> /Process=771063MB;1151634;1215614;0;1279594 
> /home=484743MB;974463;1028600;0;1082737 
> /mnt/store=906386MB;1715990;1811323;0;1906656 
> /data=397590MB;837857;884405;0;930953 
> /mnt/archives=2715115MB;4618679;4875272;0;5131866
> [nagios at nephilim ]$ /usr/local/nagios/libexec/check_nrpe -H osiris1 -c 
> check_disks
> DISK OK| /=5753MB;62067;65515;0;68964 /dev/shm=0MB;7013;7403;0;7793 
> /mnt/store=906386MB;1715990;1811323;0;1906656 
> /mnt/newxray=651767MB;837621;884155;0;930690 
> /mnt/incell=1503651MB;1715990;1811323;0;1906656 
> /mnt/newdata=788776MB;878368;927166;0;975965 
> /share=560786MB;851256;898548;0;945840 
> /data=397590MB;837857;884405;0;930953 
> /home=484743MB;974463;1028600;0;1082737 
> /mnt/archives=2715115MB;4618679;4875272;0;5131866 
> /Peptide=452914MB;844445;891359;0;938273
>
> Any thoughts? I'm stumped on this one... anyone know where PNP keeps 
> its logs? I'm thinking I might be able to grep through the logs for 
> the host with the blank graphs and find something...
> -- 
>
>
>    A. Davis
>    Email:nccomp at gmail.com
>
>    "There is no limit to what a man can accomplish
>     if he doesn't care who gets the credit." - Ronald Reagan
>
>
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