Oracle Database 12C Files in Support of Backup and Recovery Operations

Oracle Database 12C Files in Support of Backup and Recovery Operations

An Oracle database 12C consists of three types of mandatory files: control files, online redo logs, and data files. This chapter looks at the basics of managing these critical files. My blog also discusses how to implement archiving (which generates archive redo log files) and enabling a fast recovery area (FRA). Understanding how to enable archiving and how to manage archive redo logs is a crucial part of database administration and backup and recovery. It’s also important to understand basic FRA concepts as RMAN (unless otherwise directed) will by default write backup files to the FRA.

When working with RMAN, it’s essential to understand the files that comprise the Oracle 12C database. Being familiar with the physical characteristics of your database lay the foundation for understanding how RMAN performs backup and recovery operations. This knowledge will enable you to better understand the underlying mechanics and also provide the base information required for troubleshooting when problems arise. First up is managing control files.

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