Source DB Version: 12.1.0.2.0 - File System Target DB Version: 12.1.0.2.0 - ASM Database Steps to Migrate Database from from File system to ASM using RMAN: 1) Take Full RMAN backup with archivelog & current controlfile from source db. 2) Copy pfile and password file from source db to target db 3) Restore RMAN backup on Target DB On Source Side: We will be targeting to take a hot backup assuming we dont have downtime, hence it is necessary that database is up and running, if not please start the database. Just to note we can even take cold backup, my demonstration will be for hot backup. sqlplus / as sysdba startup Please check if the LOG_MODE is Archive select name,log_mode from v$database; Check for correct ORACLE_SID, if not set the ORACLE_SID echo $ORACLE_SID export ORACLE_SID=ORCL (To Set ORACLE_SID) Next step is to take RMAN Backup rman target / run { backup database format="PATH_TO_BACKUP_LOCATION/db_%U"; backup archivelog all forma...