TAILIEUCHUNG - Oracle Recovery Manager Overview and Configuration

Recovery Manager Features Recovery Manager (RMAN) is an Oracle utility that you use to manage the backup, restore, and recovery operations on Oracle databases. RMAN has a powerful command language that is independent of the operating system. Recovery Manager has a command-line interface. Oracle Enterprise Manager also provides a graphical user interface for the Recovery Manager. Recovery Manager can be used on databases of Oracle8 or later releases. RMAN provides several features not available when you make user-managed backups with operating system commands. You can store frequently executed operations as scripts in the database. Using the incremental block-level backup feature you can limit. | Oracle Recovery Manager Overview and Configuration Objectives After completing this lesson, you should be able to do the following: Identify the features and components of RMAN Describe the RMAN repository and control file usage Describe channel allocation Describe the Media Management Library interface Connect to RMAN without the recovery catalog Configure the RMAN environment Recovery Manager Features RMAN provides a flexible way to: Back up the database, tablespaces, datafiles, control files, and archive logs Store frequently executed backup and recovery operations Perform incremental block-level backup Skip unused blocks Specify limits for backups Recovery Manager Features Recovery Manager (RMAN) is an Oracle utility that you use to manage the backup, restore, and recovery operations on Oracle databases. RMAN has a powerful command language that is independent of the operating system. Recovery Manager has a command-line interface. Oracle Enterprise Manager also provides a graphical user interface for the Recovery Manager. Recovery Manager can be used on databases of Oracle8 or later releases. RMAN provides several features not available when you make user-managed backups with operating system commands. You can store frequently executed operations as scripts in the database. Using the incremental block-level backup feature you can limit the backup to only those blocks that have changed since the previous backup. This may also reduce the time it takes to perform recovery operations in ARCHIVELOG mode. You can use RMAN to manage the size of backup pieces and save time by parallelizing the backup operation. RMAN operations can be integrated with the scheduling of the operating system to automate backup operations. Recovery Manager Features RMAN provides a flexible way to: Detect corrupted blocks during backup Increase performance through: Automatic parallelization Generation of less redo Restricting I/O for backups Tape streaming Manage backup and recovery tasks .

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• Oracle Recovery
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• Oracle XML
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• Media Recovery Structures
• User Managed Complete Recovery
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