RAID5 Utility Shows Prefailure but no failure light on drive.

I have an Xserver (Late 2009) that has the 3 internal bays setup with 2TB drives each in a RAID5 array. (Plus an external 16TB RAID Array as well.) The RAID Utility shows that Bay 2 his a drive in a prefailure state. However, the light on the drive itself is green, not orange or red, as I might expect. The server is still up and operational. I have a replacement 2TB drive in hand to swap it out. However, I'm concerned that my drive light is green instead of orange/yellow or red to guide me to the failing hardware so I can replace it and begin the automatic rebuild process.
Any insight on what I'm seeing here?
Thanks!
Here's what the server drive bays look like:
And this is what my RAID Utility shows:

How hard was it to replace the backplane? I have a DL385 G2 with the same issue, except on two drives (slots 0 and 1).
>>> KeN Etter<[email protected]> 4/25/2013 8:23 AM >>>
On Wed, 24 Apr 2013 19:26:01 GMT, Sewermonger
<[email protected]> wrote:
>
>Might take awhile. The air traffic controllers are taking a very long
>time to get airplanes in the air and on the ground here in the US.
>Sequestration is being blamed. I blame something else that rhymes with
>ID 10 T's
The back plane actually arrived the next day. Swapped it out and
problem resolved.
And maybe the government should learn how to make do with less money
and let us keep more of ours. Such a novel concept. ...but I better
not go further than that in here...don't want Susan on my case for
pushing the rules. :-)

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Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact [email protected]
Mavis Huang
TechNet Community Support

RAID5 Utility Shows Prefailure but no failure light on drive.

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