11g Oracle RMAN offline Backup

RMAN offline Backup
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DB can be backed up in NOARCHIVELOG or ARCHIVELOG mode withoffline backups.

1.
ORACLE_HOME=/u01/app/oracle/product/11.0.1/db_1
export ORACLE_HOME

ORACLE_SID=orcl1
export ORACLE_SID

PATH=$PATH:$ORACLE_HOME/bin

$ rman target=/

2.
RMAN> shutdown immediate
RMAN> startup mount

3.
RMAN> Backup database;

O/p -> ....Finished backup at ...
...Finished Control File and SPFILE Autobackup at ...

4.
RMAN> alter database open;

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- Suresh