backup database - ORACLEAGENT BLOG

RMAN Backup Archive log until SCN

RMAN Backup Archive logs until SCN:

SQL> select current_scn from v$database;

CURRENT_SCN
-----------
    2161903

RMAN>  backup archivelog until scn  2161903  delete input;

Starting backup at 12-AUG-21
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=60 device type=DISK
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=9 RECID=5 STAMP=1080341951
input archived log thread=1 sequence=10 RECID=6 STAMP=1080425353
channel ORA_DISK_1: starting piece 1 at 12-AUG-21
channel ORA_DISK_1: finished piece 1 at 12-AUG-21
piece handle=/u01/app/oracle/product/19.0.0/dbhome_1/dbs/0q06buvj_1_1 
tag=TAG20210812T221059 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:03
channel ORA_DISK_1: deleting archived log(s)
archived log file 
name=/u01/app/oracle/product/19.0.0/dbhome_1/dbs/arch1_9_1080337722.dbf RECID=5 
STAMP=1080341951
archived log file 
name=/u01/app/oracle/product/19.0.0/dbhome_1/dbs/arch1_10_1080337722.dbf RECID=6 
STAMP=1080425353
Finished backup at 12-AUG-21

Starting Control File and SPFILE Autobackup at 12-AUG-21
piece handle=/u01/app/oracle/product/19.0.0/dbhome_1/dbs/c-1608118455-20210812-00 
comment=NONE
Finished Control File and SPFILE Autobackup at 12-AUG-21

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RMAN Backup archive log all and skip Inaccessible

RMAN Backup archive logs all and skip Inaccessible:

RMAN> backup archivelog all skip inaccessible;

Starting backup at 11-AUG-21
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=9 RECID=5 STAMP=1080341951
channel ORA_DISK_1: starting piece 1 at 11-AUG-21
channel ORA_DISK_1: finished piece 1 at 11-AUG-21
piece handle=/u01/app/oracle/product/19.0.0/dbhome_1/dbs/0i069ddv_1_1 
tag=TAG20210811T225911 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 11-AUG-21

Starting Control File and SPFILE Autobackup at 11-AUG-21
piece handle=/u01/app/oracle/product/19.0.0/dbhome_1/dbs/c-1608118455-20210811-07 
comment=NONE
Finished Control File and SPFILE Autobackup at 11-AUG-21

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RMAN Backup archive log and All Delete input

RMAN Backup archive log and All Delete input:

RMAN>  backup archivelog all delete input;

Starting backup at 11-AUG-21
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=5 RECID=1 STAMP=1080340278
input archived log thread=1 sequence=6 RECID=2 STAMP=1080340342
input archived log thread=1 sequence=7 RECID=3 STAMP=1080341803
input archived log thread=1 sequence=8 RECID=4 STAMP=1080341856
channel ORA_DISK_1: starting piece 1 at 11-AUG-21
channel ORA_DISK_1: finished piece 1 at 11-AUG-21
piece handle=/u01/app/oracle/product/19.0.0/dbhome_1/dbs/0g069db0_1_1 
tag=TAG20210811T225736 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:07
channel ORA_DISK_1: deleting archived log(s)
archived log file 
name=/u01/app/oracle/product/19.0.0/dbhome_1/dbs/arch1_5_1080337722.dbf 
RECID=1 STAMP=1080340278 archived log file 
name=/u01/app/oracle/product/19.0.0/dbhome_1/dbs/arch1_6_1080337722.dbf 
RECID=2 STAMP=1080340342 archived log file 
name=/u01/app/oracle/product/19.0.0/dbhome_1/dbs/arch1_7_1080337722.dbf 
RECID=3 STAMP=1080341803 archived log file 
name=/u01/app/oracle/product/19.0.0/dbhome_1/dbs/arch1_8_1080337722.dbf 
RECID=4 STAMP=1080341856
Finished backup at 11-AUG-21

Starting Control File and SPFILE Autobackup at 11-AUG-21
piece handle=/u01/app/oracle/product/19.0.0/dbhome_1/dbs/c-1608118455-20210811-06 
comment=NONE
Finished Control File and SPFILE Autobackup at 11-AUG-21

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RMAN Backup Archive log

RMAN Backup Archive log:

RMAN>  backup archivelog all;

Starting backup at 11-AUG-21
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=5 RECID=1 STAMP=1080340278
input archived log thread=1 sequence=6 RECID=2 STAMP=1080340342
input archived log thread=1 sequence=7 RECID=3 STAMP=1080341803
channel ORA_DISK_1: starting piece 1 at 11-AUG-21
channel ORA_DISK_1: finished piece 1 at 11-AUG-21
piece handle=/u01/app/oracle/product/19.0.0/dbhome_1/dbs/0e069d9b_1_1 
tag=TAG20210811T225643 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:07
Finished backup at 11-AUG-21

Starting Control File and SPFILE Autobackup at 11-AUG-21
piece handle=/u01/app/oracle/product/19.0.0/dbhome_1/dbs/c-1608118455-20210811-05 
comment=NONE
Finished Control File and SPFILE Autobackup at 11-AUG-21

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Block Change Tracking using Rman

Block Change Tracking

Block changing tracking improves the performance of incremental backups. During an incremental backup, instead of scanning all data blocks to identify which blocks have changed, RMAN uses this file to identify the changed blocks that need to be backed up.
You can Enable block change tracking when the database is either open or mounted. This section assumes that you intend to create the block change tracking file as an Oracle Managed File in the database area, which is where the database maintains active database files such as data files, control files, and online redo log files.

Block Change Tracking

SQL> select status from v$block_change_tracking;
STATUS                     FILENAME
----------                  --------------------  
DISABLED

SQL> select name from v$datafile;
NAME
------------------------------------------------------------------
/u01/app/oracle/oradata/TEST/system01.dbf
/u01/app/oracle/oradata/TEST/sysaux01.dbf
/u01/app/oracle/oradata/TEST/undotbs01.dbf
/u01/app/oracle/oradata/TEST/users01.dbf

DB_CREATE_FILE_DEST

Set the DB_CREATE_FILE_DEST  initialization parameter to specify the location where 
new database files, including the block change tracking file, must be stored.



SQL> alter system set  DB_CREATE_FILE_DEST = '/u01/app/oracle/oradata';
System altered.

Enable Block Change Tracking for the database

SQL> ALTER DATABASE ENABLE BLOCK CHANGE TRACKING;

Database altered.


SQL>  select status,filename from v$block_change_tracking;

STATUS     FILENAME
---------- ----------------------------------------
ENABLED    /u01/app/oracle/oradata/TEST/changetrack  ing/o1_mf_jl7qx7bp_.chg

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RMAN Full Database Backup

RMAN Full Database Backup:

RMAN> backup database;

Starting backup at 11-AUG-21
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=66 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=/u01/app/oracle/oradata/ORCL/system01.dbf
input datafile file number=00003 name=/u01/app/oracle/oradata/ORCL/sysaux01.dbf
input datafile file number=00004 name=/u01/app/oracle/oradata/ORCL/undotbs01.dbf
input datafile file number=00007 name=/u01/app/oracle/oradata/ORCL/users01.dbf
channel ORA_DISK_1: starting piece 1 at 11-AUG-21
channel ORA_DISK_1: finished piece 1 at 11-AUG-21
piece handle=/u01/app/oracle/product/19.0.0/dbhome_1/dbs/01069bke_1_1 
tag=TAG20210811T222830 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:55
Finished backup at 11-AUG-21

Starting Control File and SPFILE Autobackup at 11-AUG-21
piece handle=/u01/app/oracle/product/19.0.0/dbhome_1/dbs/c-1608118455-20210811-00 
comment=NONE
Finished Control File and SPFILE Autobackup at 11-AUG-21

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19C RMAN CONCEPTS

19c RMAN CONCEPTS:

RECOVER DATAFILE WITHOUT RMAN BACKUP

RECOVER THROUGH RESETLOGS

BLOCK CHANGE TRACKING

RECOVER LOSS OF ALL CONTROL FILE USING AUTO BACKUP

RECOVER LOSS OF ALL ONLINE REDO LOGS

POINT IN TIME RECOVERY

RMAN-06183: datafile or datafile copy xyz.dbf larger than MAXSETSIZE

RMAN Database Restore ASM

DATABASE INCARNATION USING RMAN

Restore Tablespace using RMAN

RESTORE SPFILE USING RMAN

RMAN backup Full Database

RMAN Backup Tablespace

RMAN Backup Particular Datafile

RMAN Backup Spfile

RMAN Backup Current Control file

RMAN Backup Archive log Until Sequence

RMAN Backup Archive log Between Sequence

RMAN Backup Archive log Between SCN

RMAN Backup Archive log Until SCN

RMAN Backup Database Plus Archive log

RMAN Backup Database Includes A Control file

RMAN Backup Archive log and All Delete Input

RMAN Backup Archive log All and Skip Inaccessible

LEVEL 0 and LEVEL 1 Backup And Recovery using RMAN

CROSSCHECK BACKUPS Using RMAN

RESTORE CONTROL FILE USING RMAN

Backup-based Cloning of a database using RMAN

RECOVERY CATALOG DATABASE IN RMAN

RMAN ORA ERRORS

DBVERIFY

END-OF-FILE ERROR

LEVEL 0 INCREMENTAL BACKUP

point-in-time recovery using RMAN in 19c

Recover a loss of all online redo log files

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Tag Archives: backup database

Block Change Tracking

Block Change Tracking

DB_CREATE_FILE_DEST

Enable Block Change Tracking for the database

RMAN Full Database Backup:

19c RMAN CONCEPTS:

Backup-based Cloning of a database using RMAN