How to enable block change tracking in oracle database ?

 [oracle@orcl 2025_05_21]$ sqlplus / as sysdba

SQL*Plus: Release 19.0.0.0.0 - Production on Sat May 24 13:01:35 2025

Version 19.3.0.0.0

Copyright (c) 1982, 2019, Oracle.  All rights reserved.

Connected to:

Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production

Version 19.3.0.0.0

SQL>

SQL>

SQL> SELECT status, filename FROM v$block_change_tracking;

STATUS     FILENAME

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

DISABLED

SQL>

SQL>

SQL> select filename form v$datafile;

select filename form v$datafile

                     *

ERROR at line 1:

ORA-00923: FROM keyword not found where expected

SQL> select name from v$datafile;

NAME

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

/u01/app/oracle/oradata/DB1/system01.dbf

/u01/app/oracle/oradata/DB1/sysaux01.dbf

/u01/app/oracle/oradata/demo1/undotbs01.dbf

14 rows selected.

SQL> alter database enable block change tracking using file '/u01/app/oracle/block_change_tracking.f';

Database altered.

SQL> select * from v$block_change_tracking ;

STATUS     FILENAME                            BYTES     CON_ID

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

ENABLED    /u01/app/oracle/block_change_t   11599872          1

           racking.f

SQL>

RMAN setting not able to change when connect with pluggable database

 RMAN> show all;

RMAN configuration parameters for database with db_unique_name DB1 are:

CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default

CONFIGURE BACKUP OPTIMIZATION OFF; # default

CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default

CONFIGURE CONTROLFILE AUTOBACKUP ON; # default

CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '%F'; # default

CONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET; # default

CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default

CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default

CONFIGURE MAXSETSIZE TO UNLIMITED; # default

CONFIGURE ENCRYPTION FOR DATABASE OFF; # default

CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default

CONFIGURE COMPRESSION ALGORITHM 'BASIC' AS OF RELEASE 'DEFAULT' OPTIMIZE FOR LOAD TRUE ; # default

CONFIGURE RMAN OUTPUT TO KEEP FOR 7 DAYS; # default

CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default

CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/oracle/product/19.0.0/dbhome_1/dbs/snapcf_db1.f'; # default

RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON;

RMAN-00571: ===========================================================

RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-03002: failure of configure command at 05/24/2025 12:56:01

RMAN-07536: command not allowed when connected to a Pluggable Database

RMAN>

backup pluggable database with direct connect with rman

 [oracle@orcl 2025_05_21]$

[oracle@orcl 2025_05_21]$

[oracle@orcl 2025_05_21]$ rman target sys/sys@demo1

Recovery Manager: Release 19.0.0.0.0 - Production on Sat May 24 12:54:39 2025

Version 19.3.0.0.0

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

connected to target database: DB1:DEMO1 (DBID=687471135, not open)

RMAN> backup database;

Starting backup at 24-MAY-25

using target database control file instead of recovery catalog

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID=291 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=00017 name=/u01/app/oracle/oradata/demo1/sysaux01.dbf

input datafile file number=00016 name=/u01/app/oracle/oradata/demo1/system01.dbf

input datafile file number=00018 name=/u01/app/oracle/oradata/demo1/undotbs01.dbf

channel ORA_DISK_1: starting piece 1 at 24-MAY-25

channel ORA_DISK_1: finished piece 1 at 24-MAY-25

piece handle=/u01/app/oracle/fast_recovery_area/DB1/33E6395D57264163E0630400040A2C41/backupset/2025_05_24/o1_mf_nnndf_TAG20250524T125446_n33jdplq_.bkp tag=TAG20250524T125446 comment=NONE

channel ORA_DISK_1: backup set complete, elapsed time: 00:00:07

Finished backup at 24-MAY-25

RMAN>

How to backup pluggable database including archivelog ?

 RMAN>

RMAN> backup pluggable database demo1 plus archivelog;

Starting backup at 24-MAY-25

current log archived

using channel ORA_DISK_1

channel ORA_DISK_1: starting archived log backup set

channel ORA_DISK_1: specifying archived log(s) in backup set

input archived log thread=1 sequence=17 RECID=12 STAMP=1201940579

input archived log thread=1 sequence=18 RECID=13 STAMP=1201956550

channel ORA_DISK_1: starting piece 1 at 24-MAY-25

channel ORA_DISK_1: finished piece 1 at 24-MAY-25

piece handle=/u01/app/oracle/fast_recovery_area/DB1/backupset/2025_05_24/o1_mf_annnn_TAG20250524T124910_n33j27g2_.bkp tag=TAG20250524T124910 comment=NONE

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

Finished backup at 24-MAY-25

Starting backup at 24-MAY-25

using channel ORA_DISK_1

channel ORA_DISK_1: starting full datafile backup set

channel ORA_DISK_1: specifying datafile(s) in backup set

input datafile file number=00017 name=/u01/app/oracle/oradata/demo1/sysaux01.dbf

input datafile file number=00016 name=/u01/app/oracle/oradata/demo1/system01.dbf

input datafile file number=00018 name=/u01/app/oracle/oradata/demo1/undotbs01.dbf

channel ORA_DISK_1: starting piece 1 at 24-MAY-25

channel ORA_DISK_1: finished piece 1 at 24-MAY-25

piece handle=/u01/app/oracle/fast_recovery_area/DB1/33E6395D57264163E0630400040A2C41/backupset/2025_05_24/o1_mf_nnndf_TAG20250524T124914_n33j2cfq_.bkp tag=TAG20250524T124914 comment=NONE

channel ORA_DISK_1: backup set complete, elapsed time: 00:00:15

Finished backup at 24-MAY-25

Starting backup at 24-MAY-25

current log archived

using channel ORA_DISK_1

channel ORA_DISK_1: starting archived log backup set

channel ORA_DISK_1: specifying archived log(s) in backup set

input archived log thread=1 sequence=19 RECID=14 STAMP=1201956572

channel ORA_DISK_1: starting piece 1 at 24-MAY-25

channel ORA_DISK_1: finished piece 1 at 24-MAY-25

piece handle=/u01/app/oracle/fast_recovery_area/DB1/backupset/2025_05_24/o1_mf_annnn_TAG20250524T124932_n33j2x6l_.bkp tag=TAG20250524T124932 comment=NONE

channel ORA_DISK_1: backup set complete, elapsed time: 00:00:02

Finished backup at 24-MAY-25

Starting Control File and SPFILE Autobackup at 24-MAY-25

piece handle=/u01/app/oracle/fast_recovery_area/DB1/autobackup/2025_05_24/o1_mf_s_1201956574_n33j30tj_.bkp comment=NONE

Finished Control File and SPFILE Autobackup at 24-MAY-25

RMAN>