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RMAN → Starting with Oracle Database 10 g Release 1 (10.1), RMAN now creates an empty file when restoring … a file from backup and no backup of the file exists. RMAN backup of archived logs now automatically … . Starting with Oracle Database 10 g Release 1 (10.1), RMAN now continues to run the remaining portions of a … backup or restore
RMAN → Purpose Use the RMAN command to start RMAN from the operating system command line. RMAN connections … . The only difference is that RMAN connections to a target or auxiliary database require the SYSDBA … . You should enter passwords in RMAN only when requested by an RMAN prompt. See
RMAN Repository → The RMAN repository is the collection of metadata about the target databases that RMAN uses for … backup, recovery, and maintenance. RMAN always stores its metadata in the control file. The version of … this metadata in the control file is the authoritative record of RMAN backups of your database. This … is one
RMAN Channels → The RMAN client directs database server sessions to perform all backup and recovery tasks. What … . The RMAN client itself does not perform backup, restore, or recovery operations. When you connect … the RMAN client to a target database, RMAN allocates server sessions on the target instance and … directs them
Entering RMAN Commands at the RMAN Prompt → When the RMAN client is ready for your commands, it displays the command prompt, as in this example … : RMAN> Enter commands for RMAN to execute. For example: RMAN> CONNECT TARGET RMAN> BACKUP DATABASE … ; Most RMAN commands take some parameters and must end with a semicolon. Some commands,
RMAN-Created Image Copies → To create image copies and have them recorded in the RMAN repository, you run the RMAN BACKUP AS … validating the blocks in the file and recording the image copy in the RMAN repository. As with backup … names of the output files. If a file is not converted by any of the pairs, then RMAN uses the FORMAT … specification:
Crosschecking the RMAN Repository → command operates only on files that are currently recorded in the RMAN repository. If you use a fast … to perform crosschecks very often. If you delete files by means other than RMAN, then you should … perform a crosscheck periodically to ensure that the repository data stays current. About RMAN … Crosschecks Crosschecks update
Overview of RMAN Deletion → Every RMAN backup produces a corresponding record in the RMAN repository. This record is stored in … , and this affects how RMAN handles repository records. The recovery catalog RMAN repository is stored … internal structure in the control file. When you use an RMAN command to delete a backup or archived
23 Troubleshooting RMAN Operations → topics: Interpreting RMAN Message Output Using V$ Views for RMAN Troubleshooting Testing the Media Management API Terminating an RMAN Command
Purpose of RMAN Validation → The main purpose of RMAN validation is to check for corrupt blocks and missing files. You can also … use RMAN to determine whether backups can be restored. You can use the following RMAN commands to
About the RMAN Environment → role in a backup and recovery strategy. Table 3-1 lists some components in a typical RMAN environment.
Entering RMAN Commands → You can enter RMAN commands either directly from the RMAN prompt or read them in from a text file … . This section contains the following topics: Entering RMAN Commands at the RMAN Prompt Using Command … Files with RMAN Entering Comments in RMAN Command Files Using Substitution Variables
RMAN Data Repair Techniques → transactions to a past time. These features do not require use of RMAN. \"Overview of Oracle Flashback … tablespaces to a time earlier than the rest of the database. \"Overview of RMAN TSPITR\" explains the basic … explained along with the techniques. This chapter explains concepts that are common to several RMAN data repair solutions.
Managing RMAN Backups → Part IV Managing RMAN Backups The following chapters describe how to manage RMAN backups. This part … of the book contains these chapters: Chapter 11, \"Reporting on RMAN Operations\" Chapter 12 … , \"Maintaining RMAN Backups and Repository Records\" Chapter 13, \"Managing a Recovery Catalog\"
Overview of RMAN TSPITR → To use RMAN tablespace point-in-time recovery (TSPITR) effectively, it is helpful to understand … what types of problems it can resolve, its components, what RMAN does during TSPITR, and the various … limitations and restrictions on when and how it can be run. This section explains the basic concepts, preparatory tasks, and modes of running RMAN
Tuning RMAN Backup Performance → $BACKUP_ASYNC_IO views Tuning RMAN Backup Performance Many factors can affect backup performance
Restarting RMAN Backups → With the restartable backup feature, RMAN backs up only those files that were not backed up after a specified date.
Scripting RMAN Operations → RMAN supports the use of command files to manage recurring tasks such as weekly backups. A command … file is a client-side text file containing RMAN commands, exactly as you enter them at the RMAN … DATABASE PLUS ARCHIVELOG; LIST BACKUP; EXIT; Start RMAN and then execute the contents of a command file by … running
Maintaining RMAN Backups → RMAN repository metadata is always stored in the control file of the target database. The RMAN