Problems with good backup and restore is a root cause of *many* IT security and customer sat issues. People do strange "sub-optimally secure" things when they are not assured that if they make a mistake, they can easily restore back to know good state. Getting people to that state requires good people, process and technology.
Check out this TechNet webcast on Disk-to-Disk-to-Tape Backup with Data Protection Manager and CommVault. You will be glad you did.