How to create backup of control file?

— backup control file in binary format to a file named /tmp/x.ctl, it will preserve the backup information of the database SQL> alter database backup controlfile to ‘/tmp/x.ctl’; Database altered. — backup control file in readable format in /tmp/x.trc, the script created doesn’t contain information about backups so if you backup in the binary format…

snapshot controlfile and RMAN-08512

As RMAN needs a consistent view of the control file it takes a backup of the controlfile by creating a snapshot and during the backup RMAN uses the snapshot of the controlfile. By default the snapshot controlfile is created in $ORACLE_HOME/dbs/snapcf_ORACLE_SID.f which can be changed by setting the following parameter in RMAN $ rman target…