[CentOS] LSI MegaRAID system status

>I would much prefer a simple command line tool that I can
>wrap a script around and run it under cron.

I did this when I didn't have a Nagios environment or an snmp
setup (LSI provides an SNMP monitoring package for it).

Simply use the MegaCLI to query for status of all LD's and
grep for failure modes.