We release new plugin, growing family of plug-ins for UNIX systems. This time we focus on disk space checks on UNIXlike systems, check_unix_disk_usage.

Like the state of memory consumption made ​​on our system, it is equally important to conduct a thorough checkup of the disk space we are using in the file systems. So we developed this first version of the plugin to improvements on all the available plugins currently on the Nagios Exchange community.

• Excludes check the types of filesystems for which it makes no sense to check your space usage. The filesystem types excluded by default are: debugfs, devpts, nfs, nfsv4, proc, romfs and smbfs.
• Allows you to exclude filesystem types in addition to those excluded by default.
• For each of the filesystems checked:
  
  • Returns the space used in the unit that best fits, and the percentage of use. If the state is not OK adds information of not OK state reached and exceeded threshold.
  • Returns the performance data, in Bytes: the value of the check, the warning and critical levels, and minimum and maximum values ​​of the allocated space.

The plugin is programmed in Perl and is compatible with Nagios 3.x (Embedded Perl). It comes with a README file in which is described in more detail the operation of this and its requirements. As always, the plugin can be downloaded from our website and more information is available through Nagios Exchange.