Hardware RAID alert/monitor

hi i have about 30 servers that i monitor and most of the are running hardware RAID 0,1,5, or 10. anyhow i don't really log on to the servers that oftern unless i need to do some administrative task. last week i logged in to one and noticed that one of the drives on the server of the raid 1 had failed and it was working on only one drive. This servers are remote so event though it was beeping there was no way i would of know about the failed drive unless the second one failed of course.

my question is, does anybody know of some kind of monitoring software that can monitor all the drives? becauase i know windows can but it thinks it's only 1 drive when there can be 2 or more real drives under the raid.

thanks