the server is remote, cannot see the disk's LED light.
The Raid Controller is motherboard integrated. 6 disks build a Raid 5. Windows 2003 Server system.
so if one disk failed, how the admin get aware ?
closed as not a real question by Ward, Tom O'Connor, voretaq7♦, Wesley, mdpc Dec 15 '12 at 6:15
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. If this question can be reworded to fit the rules in the help center, please edit the question.
Most servers have hardware monitoring software available. Check with your vendor to see if these exist for your hardware, they should be able to give you drive status inside Windows. Dell's Open Manage is an example of this.
Since you provided basically no detail, this is as good of an answer as I am able to provide.