Read SMART status on Windows Server 2008 R2
Solution 1:
MegaRAID controllers will generate alert when disk SMART/PFA is tripped. W2008 retrieves controller alerts quite nicely and places them in System event log. If you want to look at disk statistics, use MR software from here http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5073015