Check the datafiles present in database
RMAN> report schema;
Report of database schema for database with db_unique_name TESTDB
List of Permanent Datafiles
===========================
File Size(MB) Tablespace RB segs Datafile Name
---- -------- -------------------- ------- ------------------------
1 750 SYSTEM *** +DATA/testdb/datafile/system.256.892594189
2 530 SYSAUX *** +DATA/testdb/datafile/sysaux.257.892594189
3 55 UNDOTBS1 *** +DATA/testdb/datafile/undotbs1.258.892594189
4 100 USERS *** +DATA/testdb/datafile/users.259.892594189
List of Temporary Files
=======================
File Size(MB) Tablespace Maxsize(MB) Tempfile Name
---- -------- -------------------- ----------- --------------------
1 20 TEMP 32767 +DATA/testdb/tempfile/temp.268.892594713
RMAN>
Take the backup of database.
Note that the RMAN takes the backup of datafiles in decreasing order of its size. Also, the temp tablespace is not include in the backup strategy.
[oracle@oel6 ~]$ rman target /
Recovery Manager: Release 11.2.0.4.0 - Production on Thu Oct 22 22:18:07 2015
Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.
connected to target database: TESTDB (DBID=2675922698)
RMAN> backup database;
Starting backup at 22-OCT-15
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=41 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=00001 name=+DATA/testdb/datafile/system.256.892594189
input datafile file number=00002 name=+DATA/testdb/datafile/sysaux.257.892594189
input datafile file number=00004 name=+DATA/testdb/datafile/users.259.892594189
input datafile file number=00003 name=+DATA/testdb/datafile/undotbs1.258.892594189
channel ORA_DISK_1: starting piece 1 at 22-OCT-15
channel ORA_DISK_1: finished piece 1 at 22-OCT-15
piece handle=/u01/app/backup/TESTDB_63_%1.bak tag=TAG20151022T221825 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:01:35
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 22-OCT-15
channel ORA_DISK_1: finished piece 1 at 22-OCT-15
piece handle=/u01/app/backup/TESTDB_64_%1.bak tag=TAG20151022T221825 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:03
Finished backup at 22-OCT-15
RMAN>
Backup of controlfile and spfile is always included in a full database backup.
Use the below command to list the available backups of database.
RMAN> list backup;
using target database control file instead of recovery catalog
List of Backup Sets
===================
BS Key Type LV Size Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
61 Full 1.01G DISK 00:01:34 22-OCT-15
BP Key: 61 Status: AVAILABLE Compressed: NO Tag: TAG20151022T221825
Piece Name: /u01/app/backup/TESTDB_63_%1.bak
List of Datafiles in backup set 61
File LV Type Ckp SCN Ckp Time Name
---- -- ---- ---------- --------- ----
1 Full 1031184 22-OCT-15 +DATA/testdb/datafile/system.256.892594189
2 Full 1031184 22-OCT-15 +DATA/testdb/datafile/sysaux.257.892594189
3 Full 1031184 22-OCT-15 +DATA/testdb/datafile/undotbs1.258.892594189
4 Full 1031184 22-OCT-15 +DATA/testdb/datafile/users.259.892594189
BS Key Type LV Size Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ ---------------
62 Full 9.55M DISK 00:00:17 22-OCT-15
BP Key: 62 Status: AVAILABLE Compressed: NO Tag: TAG20151022T221825
Piece Name: /u01/app/backup/TESTDB_64_%1.bak
SPFILE Included: Modification time: 22-OCT-15
SPFILE db_unique_name: TESTDB
Control File Included: Ckp SCN: 1031225 Ckp time: 22-OCT-15
RMAN>
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