TAILIEUCHUNG - Oracle RMAN 11g Backup and Recovery- P7

Oracle RMAN 11g Backup and Recovery- P7: Oracle, yet another edition of our RMAN backup and recovery book has hit the shelves! Oracle Database 11g has proven to be quite the release to be sure. RMAN has new functionality and whizbang new features that improve an already awesome product. RMAN has certainly evolved over the years, as anyone who started working with it in Oracle version 8 can attest to. | 268 Part II Setup Principles and Practices need to work with your system administrator to make sure the following are done before you attempt your restore recovery The OS parameters are configured for Oracle. Your disks are configured correctly and are the correct sizes. The tape drives are installed and the tape software is installed and configured. Your network is operational. The Oracle RDBMS software is installed. The MML is configured. Ancillary items are recovered from backups that RMAN does not back up which include The database networking files for example and The oratab file if one is used The database parameter files if they are not SPFILEs and are not backed up by RMAN Any RMAN control file backups that were made to disk if you have enabled autobackup of control files Once these items have been restored you are ready to begin restoring your Oracle database. If you are using a recovery catalog you will want to recover it first of course. Then you can recover the remaining databases. When you start recovering databases you need to start by recovering the SPFILE if you are using one and it was backed up followed by the control file. The next two sections cover those topics for you. A Note about Recoveries the Recovery Catalog and the MML Layer In our travels around the world to talk about RMAN and in our own experiences we ve learned a thing or two that really strike us as important. One of these lessons learned is that when you are using one of the MML API interfaces it is almost a requirement to use a recovery catalog. Why is the recovery catalog so important you might ask Remember that all of the important RMAN metadata is stored in the control file. If you lose the control file then all of this important metadata is lost. If you are doing automated control file backups set controlfile autobackup on then this is one way of making sure that you protect the control file from loss. We have had some cases however where restoring the .

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