backup a database in NOARCHIVELOG

rman: backup a database in NOARCHIVELOG.sql

To backup a database in NOARCHIVELOG mode you have to shutdown it first, 
open in mount mode and only then you can start your backup process. 


[oracle@localhost ~]$ rman target / 

Recovery Manager: Release 11.2.0.2.0 - Production on Thu Jan 21 11:44:08 2016

Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.

connected to target database: ORCL (DBID=1229390655)

RMAN> shutdown immediate;                     

using target database control file instead of recovery catalog
database closed
database dismounted
Oracle instance shut down

RMAN> startup mount;

connected to target database (not started)
Oracle instance started
database mounted

Total System Global Area     456146944 bytes

Fixed Size                     1344840 bytes
Variable Size                348129976 bytes
Database Buffers             100663296 bytes
Redo Buffers                   6008832 bytes

RMAN> backup database; 

Starting backup at 21-01-2016 11:45:06
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=18 device type=DISK
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00002 name=/home/oracle/app/oracle/oradata/orcl/sysaux01.dbf
input datafile file number=00001 name=/home/oracle/app/oracle/oradata/orcl/system01.dbf
input datafile file number=00004 name=/home/oracle/app/oracle/oradata/orcl/users01.dbf
input datafile file number=00003 name=/home/oracle/app/oracle/oradata/orcl/undotbs01.dbf
input datafile file number=00005 name=/home/oracle/app/oracle/oradata/orcl/example01.dbf
input datafile file number=00010 name=/home/oracle/app/oracle/oradata/orcl/APEX_2614203650434107.dbf
input datafile file number=00006 name=/home/oracle/app/oracle/oradata/orcl/APEX_1930613455248703.dbf
input datafile file number=00007 name=/home/oracle/app/oracle/oradata/orcl/APEX_2041602962184952.dbf
input datafile file number=00008 name=/home/oracle/app/oracle/oradata/orcl/APEX_2610402357158758.dbf
input datafile file number=00009 name=/home/oracle/app/oracle/oradata/orcl/APEX_2611417663389985.dbf
channel ORA_DISK_1: starting piece 1 at 21-01-2016 11:45:07
channel ORA_DISK_1: finished piece 1 at 21-01-2016 11:48:52
piece handle=/home/oracle/app/oracle/flash_recovery_area/ORCL/backupset/2016_01_21/o1_mf_nnndf_TAG20160121T114506_cb2fb32q_.bkp tag=TAG20160121T114506 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:03:46
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
including current control file in backup set
including current SPFILE in backup set
channel ORA_DISK_1: starting piece 1 at 21-01-2016 11:48:56
channel ORA_DISK_1: finished piece 1 at 21-01-2016 11:48:59
piece handle=/home/oracle/app/oracle/flash_recovery_area/ORCL/backupset/2016_01_21/o1_mf_ncsnf_TAG20160121T114506_cb2fk8ml_.bkp tag=TAG20160121T114506 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:03
Finished backup at 21-01-2016 11:48:59