I am running server 2008 r2 and find that regularly I loose connection to my fibre connected SAN disks. What I would like to do (or some other work around) is to check that the disks are online every few minutes, and if they are offline, set them to online. How would I pull this off? Thank you.

check thread - http://social.technet.microsoft.com/Forums/en-US/winserverfiles/thread/c14bdde3-6359-463d-9932-5fe7ec72505e this can be pretty close to your needs. Please pay attention to - http://technet.microsoft.com/en-us/library/gg252636(WS.10).aspx OnlineAll parameter could lead to data corruption.