Check the fans and the operating environment. The temperature of the Intelligent Array Expansion System drives is beyond safe operating levels. Check the fans and the operating environment. The replaced drive is rebuilding from the mirror drive or the parity data. Nothing needs to be done.
Normal operations can occur.
A physical drive in this logical drive has failed. The incorrect drive was replaced. Replace the drive that was incorrectly replaced. Then, replace the original drive that failed with a new drive. Do not run the System Configuration Utility to reconfigure - you will lose data on the drive.