Media Performance Warning... Ever seen this before?

[8string]

After I bought my new hi speed RAID array drive and used Media Manager to migrate some of my projects into the new drive, I received this warning, which I have never seen before... does anyone know what it means, other than the obvious, which is that it seems to be saying my state of the art drives (7200 RPMs) aren't fast enough...

All of these files seem to display and run just fine, like they always have. Is the RAID the issue here? in the past, they were on a non RAIDED drive. I just had duplicate files on backup drives.
Or is this a bogus error message from FCP, and I should just ignore this?

 

[David Saraceno]

How were the clips imported or otherwise transferred to final cut pro, and from what cam and codec?

 

[8string]

they all worked fine when the clips were on a different drive. I simply used media manager to move them and it's like they never were transcoder.