check_io's Introduction

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#      README for check_io plugin for Icinga/Nagios       #
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What is check_io?
=================

This plugin for Icinga/Nagios is used to monitor disk I/O utilization
on Linux and Solaris hosts and disk errors on Solaris hosts.


Contributions / Help
====================

Send email to [email protected] if you have questions regarding use
of this software. Please include the following information in your email:
* OS type and version
* Perl version

To submit patches of suggest improvements, send email to [email protected].


Installation
============

The check_io installation can be used by following the standard autotools
installation process, documented in the INSTALL file. As a quick start you can do

$ ./configure
$ make all
# make install

This will install check_io to /usr/local/nagios/libexec and the PNP template
to /usr/local/pnp4nagios/share/templates.

To change these paths use the following options:
--prefix=<path_to_nagios_plugins>
--with-pnp-dir=<path_to_pnp_share_folder>

If you don't use PNP you can disable installing the PNP template with:
--disable-pnp-template

To change the user and group ownership of these files use:
--with-nagios-user=<user>
--with-nagios-group=<group>

The 'nagios-plugins-io.spec' file demonstrates how to distribute check_io
as an RPM package.

Also make sure that the following requirements are met:
Perl
Perl-Modules:
  Getopt::Long


Documentation
=============

Short documentation on how to use this plugin.

Detailed documentation can be found on the project website
https://labs.ovido.at/monitoring/wiki/check_io.

The following checks can be performed by this plugin:

Linux and Solaris I/O: 
check_io -w 10,10,10 -c 20,20,20

Solaris Disk Errors: 
check_io -w 10,10,10 -c 20,20,20 -E

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check_io's Issues

check_io not working with Solaris md devices

check_io isn't working with Solaris md devices:

iostat -xn

                extended device statistics
r/s    w/s   kr/s   kw/s wait actv wsvc_t asvc_t  %w  %b device
2.5    6.1   68.6  118.4  0.0  0.0    0.0    1.8   0   1 2/md13

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