Quote Originally Posted by KenEwald
I have about 1-TB of databases to replicate from a production environment to a QA environment.

What methods work best for doing this quickly?
Did you try RMAN to clone the database? I would opt for this first.

BCV is expensive. Since the system went live, I do not think you would consider BCV option now.

Depending upon the dollar you have, you can consider BMC's SQLBACKTRACK also.