On a raid 1 with two 72gb hdds with just one partition, I have the SQL databases and voice recording avi files(something to do with our telephone systems).Which shows up as D drive on windows 2003 box. I am planning to upgrade the raid 1 with two 142GB hdds and replacing the D drive. So I have created E partition on windows and copied the data with robocopy command. On the planned outage I would change the drive letters by stopping the SQL databases and the application service. Would this work any suggestions?