http://www.v-front.de/2012/01/hard-to-find-hp-tools-offline-array.html
http://www.ghidinelli.com/2010/02/22/check-hp-raid-array-status
http://linuxbaskar.blogspot.com/2011/09/hpacucli-hp-cciss-smart-array-command.html
Run the ACU CLI (as root):
hpacucli hpacucli help exit