check_procs through nrpe gives wrong results

[Phil Costelloe]

That explains why the process you want to monitor is called
ora_pmon_orcldb but not why check_procs can't detect it. That's likely
to be down to that exact string not appearing in the ps output that
check_procs is using, maybe due to truncation.
 
Back to basics. What version of Nagios are you using? What version of
the plugins? What version of nrpe? How did you compile/install the
plugins that are on the remote server, specifically were they compiled
either on that server or on a server running the same OS?
 
--
Phil Costelloe
Foundation IT, Hermitage Berkshire RG18 9SE 

________________________________

From: nagios-users-bounces at lists.sourceforge.net
[mailto:nagios-users-bounces at lists.sourceforge.net] On Behalf Of M V
Ajay (vMoksha)
Sent: 24 May 2007 12:28
To: nagios-users at lists.sourceforge.net
Subject: Re: [Nagios-users] check_procs through nrpe gives wrong results


Hi,
 
I found the reason for the behaviour.
 
"Oracle have a process naming mechanism that enables you to distinguish
between multiple instances of the database. With Oracle, when you open
an instance, the $ORACLE_HOME/bin/oracle executable renames itself using
the UNIX environment variable ORACLE_SID for a given database. This
variable is used in generating Oracle process names:
ora_process_name_$ORACLE_SID."
 
So is there a away to monitor process (using the process name) as they
appear in 'ps -ef' output?
 
Regards,
Ajay


________________________________

From: nagios-users-bounces at lists.sourceforge.net
[mailto:nagios-users-bounces at lists.sourceforge.net] On Behalf Of M V
Ajay (vMoksha)
Sent: Wednesday, May 23, 2007 6:41 PM
To: nagios-users at lists.sourceforge.net
Subject: [Nagios-users] check_procs through nrpe gives wrong results


Hi,
 
I am monitoring a Redhat enterprise Linux 4 server running oracle using
Nagios and NRPE.
 
When I monitor Oracle PMON process (ora_pmon_orcldb) on the server I get
the message that 'PROCS CRITICAL: 0 processes with command name
'ora_pmon_orcldb''.
I have confirmed that process 'ora_pmon_orcldb' is actually running on
the remote server. The same type of monitoring works for other processes
such as 'httpd'.
 
Nagios command definition:
 
define command {
        command_name nrpe_check_procs3
        command_line $USER1$/check_nrpe -n -H $HOSTADDRESS$ -c
check_procs3 -a $ARG1$ $ARG2$ $ARG3$
        }
 
NRPE configuration:
dont_blame_nrpe=1
command[check_procs3]=/usr/lib/nagios/plugins/check_procs -w $ARG1$ -c
$ARG2$ -C $ARG3$
 
>From the command line I see the following message:
 
[nagios at nagiosserver ~]$ /usr/lib64/nagios/plugins/check_nrpe -H
oracleserver -n -c check_procs3 -a 1:4 1:8 ora_pmon_orcldb
PROCS CRITICAL: 0 processes with command name 'ora_pmon_orcldb'

 
Any idea what is wrong?
 
Thanks,
Ajay
 


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