[oracle@idisk ~]$ rman target / nocatalog

Recovery Manager: Release 12.2.0.1.0 - Production on Wed Oct 20 11:57:31 2021

Copyright (c) 1982, 2017, Oracle and/or its affiliates. All rights reserved.

connected to target database: ORCL (DBID=1602153044)
using target database control file instead of recovery catalog

RMAN> report schema
2> ;

Report of database schema for database with db_unique_name ORCL

List of Permanent Datafiles
===========================
File Size(MB) Tablespace RB segs Datafile Name
---- -------- -------------------- ------- ------------------------
1 830 SYSTEM YES /app/oracle/oradata/orcl/system01.dbf
3 1500 SYSAUX NO /app/oracle/oradata/orcl/sysaux01.dbf
4 360 UNDOTBS1 YES /app/oracle/oradata/orcl/undotbs01.dbf
7 5 USERS NO /app/oracle/oradata/orcl/users01.dbf

List of Temporary Files
=======================
File Size(MB) Tablespace Maxsize(MB) Tempfile Name
---- -------- -------------------- ----------- --------------------
1 32 TEMP 32767 /app/oracle/oradata/orcl/temp01.dbf

RMAN> configure channel device type disk format '/orabackup/backup/rman/%U_%T';

new RMAN configuration parameters:
CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT '/orabackup/backup/rman/%U_%T';
new RMAN configuration parameters are successfully stored

RMAN> configure default device type to disk;

new RMAN configuration parameters:
CONFIGURE DEFAULT DEVICE TYPE TO DISK;
new RMAN configuration parameters are successfully stored

RMAN> backup database include current controlfile;

Starting backup at 20-OCT-21
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=1112 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=00003 name=/app/oracle/oradata/orcl/sysaux01.dbf
input datafile file number=00001 name=/app/oracle/oradata/orcl/system01.dbf
input datafile file number=00004 name=/app/oracle/oradata/orcl/undotbs01.dbf
input datafile file number=00007 name=/app/oracle/oradata/orcl/users01.dbf
channel ORA_DISK_1: starting piece 1 at 20-OCT-21
channel ORA_DISK_1: finished piece 1 at 20-OCT-21
piece handle=/orabackup/backup/rman/010c3djc_1_1_20211020 tag=TAG20211020T120252 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:57
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
channel ORA_DISK_1: starting piece 1 at 20-OCT-21
channel ORA_DISK_1: finished piece 1 at 20-OCT-21
piece handle=/orabackup/backup/rman/020c3dl6_1_1_20211020 tag=TAG20211020T120252 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 20-OCT-21

Starting Control File and SPFILE Autobackup at 20-OCT-21
piece handle=/app/oracle/12.2/dbs/c-1602153044-20211020-00 comment=NONE
Finished Control File and SPFILE Autobackup at 20-OCT-21

RMAN>