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What’s RMAN Backup Size

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So there I was, looking for a script to calculate the backup size.  After several thoughts, it was not exactly what I was looking for.

Here’s the one I created.

SELECT TO_CHAR(completion_time, 'YYYY-MON-DD') completion_time, type, round(sum(bytes)/1048576) MB, round(sum(elapsed_seconds)/60) min
FROM 
(
SELECT 
  CASE
    WHEN s.backup_type='L' THEN 'ARCHIVELOG' 
    WHEN s.controlfile_included='YES' THEN 'CONTROLFILE'
    WHEN s.backup_type='D' AND s.incremental_level=0 THEN 'LEVEL0'
    WHEN s.backup_type='I' AND s.incremental_level=1 THEN 'LEVEL1'
  END type,
  TRUNC(s.completion_time) completion_time,
  p.bytes,
  s.elapsed_seconds
FROM v$backup_piece p, v$backup_set s
WHERE p.status='A'
AND p.recid=s.recid
UNION ALL
SELECT 'DATAFILECOPY' type, TRUNC(completion_time), output_bytes, 0 elapsed_seconds FROM v$backup_copy_details
)
group by TO_CHAR(completion_time, 'YYYY-MON-DD'), type
order by 1 asc,2,3
;

Note that the backup size did not have any calculation for LEVEL1.

A closer look at backup by file shows that BS Key 731 is a controlfile backup and not a datafile backup.

LAX:(SYS@db01)> SELECT TO_CHAR(completion_time, 'YYYY-MON-DD') completion_time, type, round(sum(bytes)/1048576) MB, round(sum(elapsed_seconds)/60) min
FROM
  2    3  (
  4  SELECT
  5    CASE
  6      WHEN s.backup_type='L' THEN 'ARCHIVELOG'
  7      WHEN s.controlfile_included='YES' THEN 'CONTROLFILE'
  8      WHEN s.backup_type='D' AND s.incremental_level=0 THEN 'LEVEL0'
  9      WHEN s.backup_type='I' AND s.incremental_level=1 THEN 'LEVEL1'
 10    END type,
 11    TRUNC(s.completion_time) completion_time,
 12    p.bytes,
 13    s.elapsed_seconds
 14  FROM v$backup_piece p, v$backup_set s
 15  WHERE status='A'
 16  AND p.recid =s.recid
 17  UNION ALL
 18  SELECT 'DATAFILECOPY' type, TRUNC(completion_time), output_bytes, 0 elapsed_seconds FROM v$backup_copy_details
 19  )
 20  group by TO_CHAR(completion_time, 'YYYY-MON-DD'), type
 21  order by 1 asc,2,3
 22  ;

COMPLETION_TIME      TYPE                 MB        MIN
-------------------- ------------ ---------- ----------
2013-OCT-30          ARCHIVELOG            2          0
2013-OCT-30          CONTROLFILE          36          0
2013-OCT-30          DATAFILECOPY       1696          0
2013-OCT-30          LEVEL0               63          0

LAX:(SYS@db01)>

RMAN> list backup summary;

List of Backups
===============
Key     TY LV S Device Type Completion Time      #Pieces #Copies Compressed Tag
------- -- -- - ----------- -------------------- ------- ------- ---------- ---
722     B  0  A DISK        30-OCT-2013 20:47:32 1       1       YES        DINC0_WED
723     B  0  A DISK        30-OCT-2013 20:47:35 1       1       YES        DINC0_WED
724     B  0  A DISK        30-OCT-2013 20:47:45 1       1       YES        DINC0_WED
725     B  0  A DISK        30-OCT-2013 20:47:58 1       1       YES        DINC0_WED
726     B  0  A DISK        30-OCT-2013 20:48:01 1       1       YES        DINC0_WED
728     B  A  A DISK        30-OCT-2013 20:48:11 1       1       YES        AINC0_WED
729     B  F  A DISK        30-OCT-2013 20:48:20 1       1       NO         TAG20131030T204813
730     B  A  A DISK        30-OCT-2013 21:50:09 1       1       YES        MIB_UPDATE
731     B  1  A DISK        30-OCT-2013 21:53:46 1       1       YES        MIB_UPDATE
732     B  A  A DISK        30-OCT-2013 21:53:54 1       1       YES        MIB_UPDATE
733     B  F  A DISK        30-OCT-2013 21:54:05 1       1       NO         TAG20131030T215358

RMAN> list backup by file;

List of Datafile Backups
========================

File Key     TY LV S Ckp SCN    Ckp Time             #Pieces #Copies Compressed Tag
---- ------- -  -- - ---------- -------------------- ------- ------- ---------- ---
1    724     B  0  A 1899045    30-OCT-2013 20:47:38 1       1       YES        DINC0_WED
2    725     B  0  A 1899051    30-OCT-2013 20:47:53 1       1       YES        DINC0_WED
3    722     B  0  A 1899041    30-OCT-2013 20:47:31 1       1       YES        DINC0_WED
4    723     B  0  A 1899043    30-OCT-2013 20:47:34 1       1       YES        DINC0_WED
5    726     B  0  A 1899055    30-OCT-2013 20:48:01 1       1       YES        DINC0_WED

List of Archived Log Backups
============================

Thrd Seq     Low SCN    Low Time             BS Key  S #Pieces #Copies Compressed Tag
---- ------- ---------- -------------------- ------- - ------- ------- ---------- ---
1    13      1899034    30-OCT-2013 20:47:26 728     A 1       1       YES        AINC0_WED
1    14      1899064    30-OCT-2013 20:48:09 730     A 1       1       YES        MIB_UPDATE
1    15      1901013    30-OCT-2013 21:50:05 732     A 1       1       YES        MIB_UPDATE

List of Control File Backups
============================

CF Ckp SCN Ckp Time             BS Key  S #Pieces #Copies Compressed Tag
---------- -------------------- ------- - ------- ------- ---------- ---
1901124    30-OCT-2013 21:53:58 733     A 1       1       NO         TAG20131030T215358
1901091    30-OCT-2013 21:53:38 731     A 1       1       YES        MIB_UPDATE
1899073    30-OCT-2013 20:48:14 729     A 1       1       NO         TAG20131030T204813
List of SPFILE Backups
======================

Modification Time    BS Key  S #Pieces #Copies Compressed Tag
-------------------- ------- - ------- ------- ---------- ---
30-OCT-2013 20:01:18 733     A 1       1       NO         TAG20131030T215358
30-OCT-2013 20:01:18 729     A 1       1       NO         TAG20131030T204813

RMAN> list backup of database;

using target database control file instead of recovery catalog

List of Backup Sets
===================

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ --------------------
722     Incr 0  1.37M      DISK        00:00:01     30-OCT-2013 20:47:32
        BP Key: 722   Status: AVAILABLE  Compressed: YES  Tag: DINC0_WED
        Piece Name: /oracle/backup/DB01_1452485914_20131030_9qonns33_1_1.inc0
  List of Datafiles in backup set 722
  File LV Type Ckp SCN    Ckp Time             Name
  ---- -- ---- ---------- -------------------- ----
  3    0  Incr 1899041    30-OCT-2013 20:47:31 /oracle/datafilecopy/data_D-DB01_I-1452485914_TS-UNDOTBS_FNO-3_p9onf3nk.dbf

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ --------------------
723     Incr 0  1.05M      DISK        00:00:01     30-OCT-2013 20:47:35
        BP Key: 723   Status: AVAILABLE  Compressed: YES  Tag: DINC0_WED
        Piece Name: /oracle/backup/DB01_1452485914_20131030_9ronns36_1_1.inc0
  List of Datafiles in backup set 723
  File LV Type Ckp SCN    Ckp Time             Name
  ---- -- ---- ---------- -------------------- ----
  4    0  Incr 1899043    30-OCT-2013 20:47:34 /oracle/datafilecopy/data_D-DB01_I-1452485914_TS-USER_DATA_FNO-4_paonf3on.dbf

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ --------------------
724     Incr 0  38.05M     DISK        00:00:07     30-OCT-2013 20:47:45
        BP Key: 724   Status: AVAILABLE  Compressed: YES  Tag: DINC0_WED
        Piece Name: /oracle/backup/DB01_1452485914_20131030_9sonns3a_1_1.inc0
  List of Datafiles in backup set 724
  File LV Type Ckp SCN    Ckp Time             Name
  ---- -- ---- ---------- -------------------- ----
  1    0  Incr 1899045    30-OCT-2013 20:47:38 /oracle/datafilecopy/data_D-DB01_I-1452485914_TS-SYSTEM_FNO-1_pbonf3p6.dbf

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ --------------------
725     Incr 0  21.10M     DISK        00:00:05     30-OCT-2013 20:47:58
        BP Key: 725   Status: AVAILABLE  Compressed: YES  Tag: DINC0_WED
        Piece Name: /oracle/backup/DB01_1452485914_20131030_9tonns3p_1_1.inc0
  List of Datafiles in backup set 725
  File LV Type Ckp SCN    Ckp Time             Name
  ---- -- ---- ---------- -------------------- ----
  2    0  Incr 1899051    30-OCT-2013 20:47:53 /oracle/datafilecopy/data_D-DB01_I-1452485914_TS-SYSAUX_FNO-2_pconf3pm.dbf

BS Key  Type LV Size       Device Type Elapsed Time Completion Time
------- ---- -- ---------- ----------- ------------ --------------------
726     Incr 0  1.02M      DISK        00:00:00     30-OCT-2013 20:48:01
        BP Key: 726   Status: AVAILABLE  Compressed: YES  Tag: DINC0_WED
        Piece Name: /oracle/backup/DB01_1452485914_20131030_9uonns41_1_1.inc0
  List of Datafiles in backup set 726
  File LV Type Ckp SCN    Ckp Time             Name
  ---- -- ---- ---------- -------------------- ----
  5    0  Incr 1899055    30-OCT-2013 20:48:01 /oracle/datafilecopy/LAX_DB01/datafile/o1_mf_corrupt_97261fmr_.dbf

RMAN> list datafilecopy all;

List of Datafile Copies
=======================

Key     File S Completion Time      Ckp SCN    Ckp Time
------- ---- - -------------------- ---------- --------------------
133     1    A 30-OCT-2013 21:53:02 1901076    30-OCT-2013 21:52:45
        Name: /oracle/datafilecopy/data_D-DB01_I-1452485914_TS-SYSTEM_FNO-1_a5onnvtd.dbf
        Tag: MIB_UPDATE

134     2    A 30-OCT-2013 21:53:28 1901086    30-OCT-2013 21:53:10
        Name: /oracle/datafilecopy/data_D-DB01_I-1452485914_TS-SYSAUX_FNO-2_a6onnvu6.dbf
        Tag: MIB_UPDATE

131     3    A 30-OCT-2013 21:51:54 1901024    30-OCT-2013 21:50:14
        Name: /oracle/datafilecopy/data_D-DB01_I-1452485914_TS-UNDOTBS_FNO-3_a3onnvom.dbf
        Tag: MIB_UPDATE

132     4    A 30-OCT-2013 21:52:35 1901058    30-OCT-2013 21:51:59
        Name: /oracle/datafilecopy/data_D-DB01_I-1452485914_TS-USER_DATA_FNO-4_a4onnvrv.dbf
        Tag: MIB_UPDATE

135     5    A 30-OCT-2013 21:53:38 1901090    30-OCT-2013 21:53:36
        Name: /oracle/datafilecopy/data_D-DB01_I-1452485914_TS-CORRUPT_FNO-5_a7onnvv0.dbf
        Tag: MIB_UPDATE

RMAN>

$ du -scm /oracle/datafilecopy/data_D-DB01_I-1452485914_TS-*FNO-*_a*
17      /oracle/datafilecopy/data_D-DB01_I-1452485914_TS-CORRUPT_FNO-5_a7onnvv0.dbf
201     /oracle/datafilecopy/data_D-DB01_I-1452485914_TS-SYSAUX_FNO-2_a6onnvu6.dbf
201     /oracle/datafilecopy/data_D-DB01_I-1452485914_TS-SYSTEM_FNO-1_a5onnvtd.dbf
1025    /oracle/datafilecopy/data_D-DB01_I-1452485914_TS-UNDOTBS_FNO-3_a3onnvom.dbf
257     /oracle/datafilecopy/data_D-DB01_I-1452485914_TS-USER_DATA_FNO-4_a4onnvrv.dbf
1697    total
[oracle@lax:db01]/home/oracle
$

Update based on Coskan comment.  This could be because my database is small, but it does not have the granularity. The timing is much better.

LAX:(SYS@db01)> set echo on
LAX:(SYS@db01)> @bk
LAX:(SYS@db01)> set pages 1000
LAX:(SYS@db01)> select TO_CHAR(end_time, 'YYYY-MON-DD') dt, input_type, round(sum(output_bytes)/1048576) MB, round(sum(elapsed_seconds)/60) min
  2  from v$rman_backup_job_details where status='COMPLETED' and end_time>trunc(sysdate)
  3  group by TO_CHAR(end_time, 'YYYY-MON-DD'), input_type
  4  order by 1, 2;

DT                   INPUT_TYPE            MB        MIN
-------------------- ------------- ---------- ----------
2013-NOV-01          DB INCR             1784          6

LAX:(SYS@db01)> SELECT TO_CHAR(completion_time, 'YYYY-MON-DD') completion_time, type, round(sum(bytes)/1048576) MB, round(sum(elapsed_seconds)/60) min
  2  FROM
  3  (
  4  SELECT
  5    CASE
  6      WHEN s.backup_type='L' THEN 'ARCHIVELOG'
  7      WHEN s.controlfile_included='YES' THEN 'CONTROLFILE'
  8      WHEN s.backup_type='D' AND s.incremental_level=0 THEN 'LEVEL0'
  9      WHEN s.backup_type='I' AND s.incremental_level=1 THEN 'LEVEL1'
 10    END type,
 11    TRUNC(s.completion_time) completion_time,
 12    p.bytes,
 13    s.elapsed_seconds
 14  FROM v$backup_piece p, v$backup_set s
 15  WHERE p.status='A'
 16  AND p.recid=s.recid
 17  UNION ALL
 18  SELECT 'DATAFILECOPY' type, TRUNC(completion_time), output_bytes, 0 elapsed_seconds FROM v$backup_copy_details
 19  )
 20  group by TO_CHAR(completion_time, 'YYYY-MON-DD'), type
 21  order by 1 asc,2,3
 22  ;

COMPLETION_TIME      TYPE                 MB        MIN
-------------------- ------------ ---------- ----------
2013-NOV-01          ARCHIVELOG            2          0
2013-NOV-01          CONTROLFILE          36          0
2013-NOV-01          DATAFILECOPY       1696          0
2013-NOV-01          LEVEL0               63          1

LAX:(SYS@db01)> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
[oracle@lax:db01]/home/oracle
$ rman target /

Recovery Manager: Release 11.2.0.3.0 - Production on Fri Nov 1 07:23:57 2013

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

connected to target database: DB01 (DBID=1452485914)

RMAN> list backup summary;

using target database control file instead of recovery catalog

List of Backups
===============
Key     TY LV S Device Type Completion Time      #Pieces #Copies Compressed Tag
------- -- -- - ----------- -------------------- ------- ------- ---------- ---
749     B  0  A DISK        01-NOV-2013 06:52:38 1       1       YES        DINC0_FRI
750     B  0  A DISK        01-NOV-2013 06:52:47 1       1       YES        DINC0_FRI
751     B  0  A DISK        01-NOV-2013 06:53:05 1       1       YES        DINC0_FRI
752     B  0  A DISK        01-NOV-2013 06:53:47 1       1       YES        DINC0_FRI
753     B  0  A DISK        01-NOV-2013 06:53:51 1       1       YES        DINC0_FRI
755     B  A  A DISK        01-NOV-2013 06:54:07 1       1       YES        AINC0_FRI
756     B  F  A DISK        01-NOV-2013 06:54:18 1       1       NO         TAG20131101T065411
757     B  A  A DISK        01-NOV-2013 07:06:49 1       1       YES        MIB_UPDATE
758     B  1  A DISK        01-NOV-2013 07:10:26 1       1       YES        MIB_UPDATE
759     B  A  A DISK        01-NOV-2013 07:10:32 1       1       YES        MIB_UPDATE
760     B  F  A DISK        01-NOV-2013 07:10:42 1       1       NO         TAG20131101T071035

RMAN> exit


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