RMAN in the Trenches: To Go Forward, We Must Backup

I n the process of implementing Recovery Manager (RMAN) over a period of several years, I had many questions, and some were not easy to answer. This article will share some of my discoveries, so you don’t need to stumble over the same rocks in the path. Space: The Final Frontier Before showing how feature choices affect space and time, it will be good to cover some basics. With RMAN, there are two backup format choices, both of which will check for corruption. Both will capture completion metadata, so RMAN knows how to handle recovery. An Image Copy is similar to an OS copy, except that an Oracle server session produces it. The Image Copy is suited to fast recovery, partly because compression is not possible. Th