run
{
ALLOCATE CHANNEL CH1 DEVICE TYPE DISK FORMAT '/oradata/backup/LABDBDUP/INCR/labdbdup_%U';
ALLOCATE CHANNEL CH2 DEVICE TYPE DISK FORMAT '/oradata/backup/LABDBDUP/INCR/labdbdup_%U';
BACKUP tag 'INCR1_DB' INCREMENTAL LEVEL=1 DATABASE PLUS ARCHIVELOG;
BACKUP CURRENT CONTROLFILE TAG 'INCR1_CTL' FORMAT '/oradata/backup/LABDBDUP/INCR/labdbdupCTL_%U';
BACKUP SPFILE TAG 'INCR1_SPFILE' FORMAT '/oradata/backup/LABDBDUP/INCR/labdbdupSPF_%U';
RELEASE CHANNEL CH1;
RELEASE CHANNEL CH2;
}

[oracle@DBsGuruN3 ~]$ . oraenv
ORACLE_SID = [oracle] ? labdbdup
The Oracle base has been set to /u01/app/oracle
[oracle@DBsGuruN3 ~]$ rman target /

Recovery Manager: Release 19.0.0.0.0 - Production on Thu Sep 30 18:06:01 2021
Version 19.3.0.0.0

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

connected to target database: LABDBDUP (DBID=4236123496)

RMAN> run
{
ALLOCATE CHANNEL CH1 DEVICE TYPE DISK FORMAT '/oradata/backup/LABDBDUP/INCR/labdbdup_%U';
ALLOCATE CHANNEL CH2 DEVICE TYPE DISK FORMAT '/oradata/backup/LABDBDUP/INCR/labdbdup_%U';
BACKUP tag 'INCR1_DB' INCREMENTAL LEVEL=1 DATABASE PLUS ARCHIVELOG;
BACKUP CURRENT CONTROLFILE TAG 'INCR1_CTL' FORMAT '/oradata/backup/LABDBDUP/INCR/labdbdupCTL_%U';
BACKUP SPFILE TAG 'INCR1_SPFILE' FORMAT '/oradata/backup/LABDBDUP/INCR/labdbdupSPF_%U';
RELEASE CHANNEL CH1;
RELEASE CHANNEL CH2;
}2> 3> 4> 5> 6> 7> 8> 9> 10>

using target database control file instead of recovery catalog
allocated channel: CH1
channel CH1: SID=414 device type=DISK

allocated channel: CH2
channel CH2: SID=21 device type=DISK


Starting backup at 30-SEP-21
current log archived
channel CH1: starting archived log backup set
channel CH1: specifying archived log(s) in backup set
input archived log thread=1 sequence=1 RECID=1 STAMP=1083869789
input archived log thread=1 sequence=2 RECID=2 STAMP=1084023646
input archived log thread=1 sequence=3 RECID=3 STAMP=1084383016
input archived log thread=1 sequence=4 RECID=4 STAMP=1084385324
channel CH1: starting piece 1 at 30-SEP-21
channel CH2: starting archived log backup set
channel CH2: specifying archived log(s) in backup set
input archived log thread=1 sequence=12 RECID=12 STAMP=1084643743
input archived log thread=1 sequence=13 RECID=13 STAMP=1084644386
channel CH2: starting piece 1 at 30-SEP-21
channel CH1: finished piece 1 at 30-SEP-21
piece handle=/oradata/backup/LABDBDUP/INCR/labdbdup_3e0acn13_1_1 tag=INCR1_DB comment=NONE
channel CH1: backup set complete, elapsed time: 00:00:01
channel CH1: starting archived log backup set
channel CH1: specifying archived log(s) in backup set
input archived log thread=1 sequence=5 RECID=5 STAMP=1084385371
input archived log thread=1 sequence=6 RECID=6 STAMP=1084385635
input archived log thread=1 sequence=7 RECID=7 STAMP=1084385692
input archived log thread=1 sequence=8 RECID=8 STAMP=1084385829
input archived log thread=1 sequence=9 RECID=9 STAMP=1084386062
input archived log thread=1 sequence=10 RECID=10 STAMP=1084386110
input archived log thread=1 sequence=11 RECID=11 STAMP=1084466493
channel CH1: starting piece 1 at 30-SEP-21
channel CH2: finished piece 1 at 30-SEP-21
piece handle=/oradata/backup/LABDBDUP/INCR/labdbdup_3f0acn13_1_1 tag=INCR1_DB comment=NONE
channel CH2: backup set complete, elapsed time: 00:00:01
channel CH1: finished piece 1 at 30-SEP-21
piece handle=/oradata/backup/LABDBDUP/INCR/labdbdup_3g0acn14_1_1 tag=INCR1_DB comment=NONE
channel CH1: backup set complete, elapsed time: 00:00:01
Finished backup at 30-SEP-21

Starting backup at 30-SEP-21
channel CH1: starting incremental level 1 datafile backup set
channel CH1: specifying datafile(s) in backup set
input datafile file number=00005 name=/oradata/LABDBDUP/demo_tbls01.dbf
input datafile file number=00004 name=/oradata/LABDBDUP/undotbs01.dbf
channel CH1: starting piece 1 at 30-SEP-21
channel CH2: starting incremental level 1 datafile backup set
channel CH2: specifying datafile(s) in backup set
input datafile file number=00001 name=/oradata/LABDBDUP/system01.dbf
input datafile file number=00003 name=/oradata/LABDBDUP/sysaux01.dbf
input datafile file number=00007 name=/oradata/LABDBDUP/users01.dbf
channel CH2: starting piece 1 at 30-SEP-21
channel CH1: finished piece 1 at 30-SEP-21
piece handle=/oradata/backup/LABDBDUP/INCR/labdbdup_3h0acn16_1_1 tag=INCR1_DB comment=NONE
channel CH1: backup set complete, elapsed time: 00:00:35
channel CH2: finished piece 1 at 30-SEP-21
piece handle=/oradata/backup/LABDBDUP/INCR/labdbdup_3i0acn16_1_1 tag=INCR1_DB comment=NONE
channel CH2: backup set complete, elapsed time: 00:00:45
Finished backup at 30-SEP-21

Starting backup at 30-SEP-21
current log archived
channel CH1: starting archived log backup set
channel CH1: specifying archived log(s) in backup set
input archived log thread=1 sequence=14 RECID=14 STAMP=1084644435
channel CH1: starting piece 1 at 30-SEP-21
channel CH1: finished piece 1 at 30-SEP-21
piece handle=/oradata/backup/LABDBDUP/INCR/labdbdup_3j0acn2j_1_1 tag=INCR1_DB comment=NONE
channel CH1: backup set complete, elapsed time: 00:00:01
Finished backup at 30-SEP-21

Starting backup at 30-SEP-21
channel CH1: starting full datafile backup set
channel CH1: specifying datafile(s) in backup set
including current control file in backup set
channel CH1: starting piece 1 at 30-SEP-21
channel CH1: finished piece 1 at 30-SEP-21
piece handle=/oradata/backup/LABDBDUP/INCR/labdbdupCTL_3k0acn2k_1_1 tag=INCR1_CTL comment=NONE
channel CH1: backup set complete, elapsed time: 00:00:01
Finished backup at 30-SEP-21

Starting backup at 30-SEP-21
channel CH1: starting full datafile backup set
channel CH1: specifying datafile(s) in backup set
including current SPFILE in backup set
channel CH1: starting piece 1 at 30-SEP-21
channel CH1: finished piece 1 at 30-SEP-21
piece handle=/oradata/backup/LABDBDUP/INCR/labdbdupSPF_3l0acn2n_1_1 tag=INCR1_SPFILE comment=NONE
channel CH1: backup set complete, elapsed time: 00:00:01
Finished backup at 30-SEP-21

Starting Control File and SPFILE Autobackup at 30-SEP-21
piece handle=/oradata/LABDBDUP/FRA/LABDBDUP/autobackup/2021_09_30/o1_mf_s_1084644440_joccw09w_.bkp comment=NONE
Finished Control File and SPFILE Autobackup at 30-SEP-21

released channel: CH1

released channel: CH2

RMAN>

[oracle@DBsGuruN3 ~]$ cd /oradata/backup/LABDBDUP/INCR
[oracle@DBsGuruN3 INCR]$ ls -lrt
total 82360
-rw-r-----. 1 oracle oinstall 28134912 Sep 30 18:06 labdbdup_3e0acn13_1_1
-rw-r-----. 1 oracle oinstall 11906560 Sep 30 18:06 labdbdup_3f0acn13_1_1
-rw-r-----. 1 oracle oinstall  5254656 Sep 30 18:06 labdbdup_3g0acn14_1_1
-rw-r-----. 1 oracle oinstall  7528448 Sep 30 18:06 labdbdup_3h0acn16_1_1
-rw-r-----. 1 oracle oinstall 17014784 Sep 30 18:07 labdbdup_3i0acn16_1_1
-rw-r-----. 1 oracle oinstall  3368448 Sep 30 18:07 labdbdup_3j0acn2j_1_1
-rw-r-----. 1 oracle oinstall 11010048 Sep 30 18:07 labdbdupCTL_3k0acn2k_1_1
-rw-r-----. 1 oracle oinstall   114688 Sep 30 18:07 labdbdupSPF_3l0acn2n_1_1