asm backup/restore metadata oracle notes You are managing an Oracle Database 11g instance with ASM storage. You lost an ASM disk group DATA. You have RMAN backup of data as well as ASM metadata backup. You want to recreate the missing disk group by using the ASMCMD md_restore command. with asmbackupmetadatarestore
DUPLICATE database with RMAN duplicate database, which is a copy of the source database (or a subset of the source database) with a unique DBID. Because a duplicate database has a unique DBID, it is independent of the source database and can be registered in the same recovery catalog. Typically, duplicate databases are used for testing. with databasedatabasesdbidduplicaterecoveryrmantesting
Duplicating a Database Duplicating a Database This chapter describes how to use the DUPLICATE command to create an independently functioning database copy. This chapter contains the following topics: Overview of RMAN Database Duplication Preparing to Duplicate a Database Placing the Source Database in the Proper State Starting RMAN and Connecting to Databases Configuring RMAN Channels for Use in Duplication Duplicating a Database Restarting DUPLICATE After a Failure with commanddatabasedatabasesduplicatingduplicationoverviewpreparingrman