This is a plugin to monitor a Dell Equallogic with Nagios. Its written in bash
so it should run on almost all Linux/Unix based systems. It's using SNMP (v2)
to query the informations from the Equallogic device. To be able to use the
script, please also check the requirements.

The plugin has been successfully tested on the following Dell Equallogic devices:
PS100E (70-0011) with Firmware 3.3.x, 4.3.x
PS4000/E/XV (70-0120) with Firmwares 4.3.x, 5.0.x, 5.2.x
PS4100 (70-0476) with Firmware 5.1.1
PS5000XV (70-0111) with Firmwares 4.1.x, 4.3.x, 5.0.x
PS5000E (70-0115) with Firmwares 3.3.x, 4.0.x, 4.1.x, 4.2.x, 4.3.x, 5.0.x
PS6000E (70-0202) with Firmwares 4.1.x, 4.2.x, 4.3.x, 5.0.x, 5.2.x, 6.0.x
PS6000XVx (70-0202) with Firmware 4.3.x, 5.0.x, 5.1.x, 5.2.x, 6.0.x
PS6010 (70-0300) with Firmware 4.3.x, 5.0.x, 5.1.x, 5.2.x
PS6100X (70-0400) with Firmware 5.2.1