How to backup users tablespace from cdb and pdb oracle database ?

Backup users tablespace from cdb and pdb oracle database

[oracle@orcl dbs]$ rman target /

Recovery Manager: Release 19.0.0.0.0 - Production on Wed May 21 12:53:49 2025

Version 19.3.0.0.0

Copyright (c) 1982, 2019, Oracle and/or its affiliates.  All rights reserved.

connected to target database: DB1 (DBID=1788905834)

RMAN> report schema ;

using target database control file instead of recovery catalog

Report of database schema for database with db_unique_name DB1

List of Permanent Datafiles

===========================

File Size(MB) Tablespace           RB segs Datafile Name

---- -------- -------------------- ------- ------------------------

1    900      SYSTEM               YES     /u01/app/oracle/oradata/DB1/system01.dbf

3    630      SYSAUX               NO      /u01/app/oracle/oradata/DB1/sysaux01.dbf

4    275      UNDOTBS1             YES     /u01/app/oracle/oradata/DB1/undotbs01.dbf

5    270      PDB$SEED:SYSTEM      NO      /u01/app/oracle/oradata/DB1/pdbseed/system01.dbf

6    330      PDB$SEED:SYSAUX      NO      /u01/app/oracle/oradata/DB1/pdbseed/sysaux01.dbf

7    5        USERS                NO      /u01/app/oracle/oradata/DB1/users01.dbf

8    100      PDB$SEED:UNDOTBS1    NO      /u01/app/oracle/oradata/DB1/pdbseed/undotbs01.dbf

9    270      PDB:SYSTEM           NO      /u01/app/oracle/oradata/DB1/pdb/system01.dbf

10   340      PDB:SYSAUX           NO      /u01/app/oracle/oradata/DB1/pdb/sysaux01.dbf

11   100      PDB:UNDOTBS1         NO      /u01/app/oracle/oradata/DB1/pdb/undotbs01.dbf

12   5        PDB:USERS            NO      /u01/app/oracle/oradata/DB1/pdb/users01.dbf

16   270      DEMO1:SYSTEM         NO      /u01/app/oracle/oradata/demo1/system01.dbf

17   340      DEMO1:SYSAUX         NO      /u01/app/oracle/oradata/demo1/sysaux01.dbf

18   100      DEMO1:UNDOTBS1       NO      /u01/app/oracle/oradata/demo1/undotbs01.dbf

List of Temporary Files

=======================

File Size(MB) Tablespace           Maxsize(MB) Tempfile Name

---- -------- -------------------- ----------- --------------------

1    131      TEMP                 32767       /u01/app/oracle/oradata/DB1/temp01.dbf

2    36       PDB$SEED:TEMP        32767       /u01/app/oracle/oradata/DB1/pdbseed/temp012025-03-06_12-16-29-897-PM.dbf

3    128      PDB:TEMP             32767       /u01/app/oracle/oradata/DB1/pdb/temp01.dbf

4    128      DEMO1:TEMP           32767       /u01/app/oracle/oradata/demo1/temp012025-03-06_12-16-29-897-PM.dbf

RMAN>

RMAN> backup tablespace pdb:users, users;

Starting backup at 21-MAY-25

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID=42 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=00012 name=/u01/app/oracle/oradata/DB1/pdb/users01.dbf

channel ORA_DISK_1: starting piece 1 at 21-MAY-25

channel ORA_DISK_1: finished piece 1 at 21-MAY-25

piece handle=/u01/app/oracle/fast_recovery_area/DB1/2FACECCE69615207E0630400040AB366/backupset/2025_05_21/o1_mf_nnndf_TAG20250521T125551_n2vmbqvv_.bkp tag=TAG20250521T125551 comment=NONE

channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01

channel ORA_DISK_1: starting full datafile backup set

channel ORA_DISK_1: specifying datafile(s) in backup set

input datafile file number=00007 name=/u01/app/oracle/oradata/DB1/users01.dbf

channel ORA_DISK_1: starting piece 1 at 21-MAY-25

channel ORA_DISK_1: finished piece 1 at 21-MAY-25

piece handle=/u01/app/oracle/fast_recovery_area/DB1/backupset/2025_05_21/o1_mf_nnndf_TAG20250521T125551_n2vmbsgr_.bkp tag=TAG20250521T125551 comment=NONE

channel ORA_DISK_1: backup set complete, elapsed time: 00:00:03

Finished backup at 21-MAY-25

Starting Control File and SPFILE Autobackup at 21-MAY-25

piece handle=/u01/app/oracle/fast_recovery_area/DB1/autobackup/2025_05_21/o1_mf_s_1201697756_n2vmbyk4_.bkp comment=NONE

Finished Control File and SPFILE Autobackup at 21-MAY-25

RMAN>