Checks multipath connections to SAN storage on your GNU/Linux box, also has
working support for specifying required redundancy level

It is updated and fixed version of:
* http://www.monitoringexchange.org/inventory/Check-Plugins/Operating-Systems/Linux/check_multipath
* http://cvs.pld-linux.org/cgi-bin/cvsweb.cgi/SOURCES.old/nagios-plugin-check_multipath.sh
* http://exchange.nagios.org/directory/Plugins/Uncategorized/Operating-Systems/Linux/check_multipath/details