I'm running DPM 2007 to backup our servers and applications. I back up our application data including Exchange, Sharepoint, Virtual Server and SQL Server to tape and all server volumes and system state disk to disk. My question is: Should I exclude the SQL data files (.mdf and .ldf) from the server volume back ups? Since the SQL Servers are being backed up as application data, it seems redundant to backup the data files as well.
I could not find an answer to this in the MS documentation.