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NAME

check_oracle - Nagios NRPE plugin for basic Oracle health checks

SYNOPSIS

check_oracle

DESCRIPTION

check_oracle works as a Nagios NRPE plugin for basic Oracle health checks like tns ping, login, cache and tablespaces

OPTIONS

--tns

Performs an Oracle ping on the SID/hostname by using tnsping tool, and returns CRITICAL if not succeeded. Returns respectively CRITICAL or WARNING if tns reply time is larger than critical or warning.

--login --sid SID

Attempts a dummy login on the SID and returns CRITICAL if not ORA-01017: invalid username/password returns.

--cache --sid SID --user user --password password

Checks local database for library and buffer cache hit ratios on the SID, by using credentials user/password to logon. Returns respectively CRITICAL or WARNING if at least one cache ratio is below critical or warning.

--tablespace tablespace --sid SID --user user --password password

Checks local database for tablespace capacity of the tablespace on the SID, by using credentials user/password to logon. Returns respectively CRITICAL or WARNING if the usage percent is more than critical or warning.

--oraclehome home path

check_oracle tries to locate Oracle home directory by using ORACLE_HOME env variable or values in the registry. You can use this option if you want to override plugin's path location behaviour.

--verbose

Produces detailed messages for debugging.

--help

Produces a help message.

EXAMPLES

 check_oracle --tns --sid MYORACLE

Pings the SID MYORACLE and returns CRITICAL if not succeeded or NORMAL otherwise.

 check_oracle --login --sid MYORACLE

Performs a dummy login on the SID MYORACLE and returns CRITICAL if the server answers with a message other than ORA-01017 or NORMAL otherwise.

 check_oracle --cache --sid MYORACLE --user ping --password pong --warning 99 --critical 95

Logs on by using the credentials ping/pong on the SID MYORACLE, queries system tables and calculates library and buffer cache hit ratios. Returns CRITICAL if at least one of the hit ratios is below 95%, WARNING if it is below 99% or NORMAL otherwise.

 check_oracle --tablespace MYTABLE --sid MYORACLE --user ping --password pong --warning 90 --critical 95

Logs on by using the credentials ping/pong on the SID MYORACLE, queries system tables and calculates the usage ratio for the tablespace MYTABLE. Returns CRITICAL if the usage is over 95%, WARNING if it is over 90%, or NORMAL otherwise.

EXIT VALUES

 0 OK
 1 WARNING
 2 CRITICAL
 3 UNKNOWN

AUTHOR

Tevfik Karagulle http://www.itefix.net

SEE ALSO

Nagios web site http://www.nagios.org

Nagios NRPE documentation https://assets.nagios.com/downloads/nagioscore/docs/nrpe/NRPE.pdf

Standard Nagios plugins, check_oracle plugin

COPYRIGHT

This program is distributed under the Artistic License. https://opensource.org/licenses/artistic-license.php

VERSION

Version 1.1, May 2011

CHANGELOG

changes from 1.0

 - performance data output for tns check
 - ability to specify warning and critical levels for tns checks
 - Windows independency

Initial version