Optimized incremental backup in 10g

Hi,
I study the http://www.oracle.com/technology/products/database/oracle10g/pdf/twp_general_10gdb_product_family.pdf and i have one question about it...
In "Incremental backup" feature/option there is a note :"SE/XE no optimized incremental backup".
What are the features of "optimized incremental backup"...????
Thanks......
Sim

I believe that is referring to block change tracking. That allows Oracle to track which blocks have actually changed since the last backup, so RMAN can just read the tracking file and backup those blocks rather than examining each block to see whether it has changed.
Justin

Similar Messages

  • Incremental backup in 10g

    Hi,
    I am using RMAN 10.2.0.3.0
    and target db 10.2.0.3.0
    in nocatalaog mode
    I have scheduled the level 0 backup weekly and level 1 backup daily as below.
    Saturday
    run
    show all;
    backup incremental level 0 database;
    sql 'ALTER SYSTEM ARCHIVE LOG CURRENT';
    backup archivelog all;
    report obsolete;
    delete obsolete;
    restore validate database;
    restore validate controlfile;
    exit
    Sunday-Friday
    run
    show all;
    backup incremental level 1 database;
    sql 'ALTER SYSTEM ARCHIVE LOG CURRENT';
    backup archivelog all;
    report obsolete;
    delete obsolete;
    restore validate database;
    restore validate controlfile;
    exit
    Saturday the incr level 0 was done without any issues, but next day while running level1 it should take the level0(Saturday) as base, but here it shows that '*no parent copy or data file found* ' and it again takes the full backup.
    Please let me know if I did anything wrong. Also my retention policy is set to RETENTION POLICY TO RECOVERY WINDOW OF 8 DAYS and my controlfile_record_keep_time is 7.
    Please help me
    Thanks,
    Priya
    Edited by: Priya on Sep 22, 2010 6:12 AM

    Log of Incremental Level 0
    Recovery Manager: Release 10.2.0.3.0 - Production on Mon Sep 20 12:07:45 2010
    Copyright (c) 1982, 2005, Oracle. All rights reserved.
    connected to target database: FUJIVDB (DBID=639859515)
    RMAN> run
    2> {
    3> show all;
    4> backup incremental level 0 database;
    5> sql 'ALTER SYSTEM ARCHIVE LOG CURRENT';
    6> backup archivelog all;
    7> report obsolete;
    8> delete obsolete;
    9> restore validate database;
    10> restore validate controlfile;
    11>
    12> }
    13> exit
    using target database control file instead of recovery catalog
    RMAN configuration parameters are:
    CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 8 DAYS;
    CONFIGURE BACKUP OPTIMIZATION OFF; # default
    CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
    CONFIGURE CONTROLFILE AUTOBACKUP ON;
    CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO 'C:\Backups\Controlfile\cf_%F';
    CONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET;
    CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
    CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
    CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT 'C:\Backups\datafile\ora_df%t_s%s_s%p';
    CONFIGURE MAXSETSIZE TO UNLIMITED; # default
    CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
    CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default
    CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default
    CONFIGURE SNAPSHOT CONTROLFILE NAME TO 'C:\ORACLE\ORA102\DATABASE\SNCFFUJIVDB_%F%.ORA';
    Starting backup at 20-SEP-10
    allocated channel: ORA_DISK_1
    channel ORA_DISK_1: sid=323 devtype=DISK
    channel ORA_DISK_1: starting incremental level 0 datafile backupset
    channel ORA_DISK_1: specifying datafile(s) in backupset
    input datafile fno=00003 name=C:\ORACLE\ORADATA\FUJIVDB\SYSAUX01.DBF
    input datafile fno=00004 name=C:\ORACLE\ORADATA\FUJIVDB\UNDO02.DBF
    input datafile fno=00002 name=C:\ORACLE\ORADATA\FUJIVDB\UNDO01.DBF
    input datafile fno=00001 name=C:\ORACLE\ORADATA\FUJIVDB\SYSTEM01.DBF
    input datafile fno=00006 name=C:\ORACLE\ORADATA\FUJIVDB\USER01.DBF
    input datafile fno=00011 name=C:\ORACLE\ORADATA\FUJIVDB\INDX01.DBF
    input datafile fno=00007 name=C:\ORACLE\ORADATA\FUJIVDB\USER11.DBF
    input datafile fno=00008 name=C:\ORACLE\ORADATA\FUJIVDB\USER12.DBF
    input datafile fno=00009 name=C:\ORACLE\ORADATA\FUJIVDB\USER13.DBF
    input datafile fno=00010 name=C:\ORACLE\ORADATA\FUJIVDB\USER14.DBF
    input datafile fno=00012 name=C:\ORACLE\ORADATA\FUJIVDB\INDX11.DBF
    input datafile fno=00013 name=C:\ORACLE\ORADATA\FUJIVDB\INDX12.DBF
    input datafile fno=00014 name=C:\ORACLE\ORADATA\FUJIVDB\INDX13.DBF
    input datafile fno=00015 name=C:\ORACLE\ORADATA\FUJIVDB\INDX14.DBF
    input datafile fno=00005 name=C:\ORACLE\ORADATA\FUJIVDB\TOOLS01.DBF
    channel ORA_DISK_1: starting piece 1 at 20-SEP-10
    channel ORA_DISK_1: finished piece 1 at 20-SEP-10
    piece handle=C:\BACKUPS\DATAFILE\ORA_DF730210069_S31_S1 tag=TAG20100920T120749 comment=NONE
    channel ORA_DISK_1: backup set complete, elapsed time: 00:02:06
    Finished backup at 20-SEP-10
    Starting Control File and SPFILE Autobackup at 20-SEP-10
    piece handle=C:\BACKUPS\CONTROLFILE\CF_C-639859515-20100920-00 comment=NONE
    Finished Control File and SPFILE Autobackup at 20-SEP-10
    sql statement: ALTER SYSTEM ARCHIVE LOG CURRENT
    Starting backup at 20-SEP-10
    current log archived
    using channel ORA_DISK_1
    channel ORA_DISK_1: starting archive log backupset
    channel ORA_DISK_1: specifying archive log(s) in backup set
    input archive log thread=1 sequence=1 recid=9 stamp=729858731
    input archive log thread=1 sequence=2 recid=10 stamp=729887062
    input archive log thread=1 sequence=3 recid=11 stamp=729953114
    input archive log thread=1 sequence=4 recid=12 stamp=729973634
    input archive log thread=1 sequence=5 recid=13 stamp=729973634
    input archive log thread=1 sequence=6 recid=14 stamp=730015209
    input archive log thread=1 sequence=7 recid=15 stamp=730058416
    input archive log thread=1 sequence=8 recid=16 stamp=730058416
    input archive log thread=1 sequence=9 recid=17 stamp=730144816
    input archive log thread=1 sequence=10 recid=18 stamp=730144816
    input archive log thread=1 sequence=11 recid=19 stamp=730210042
    input archive log thread=1 sequence=12 recid=20 stamp=730210200
    input archive log thread=1 sequence=13 recid=21 stamp=730210201
    channel ORA_DISK_1: starting piece 1 at 20-SEP-10
    channel ORA_DISK_1: finished piece 1 at 20-SEP-10
    piece handle=C:\BACKUPS\DATAFILE\ORA_DF730210201_S33_S1 tag=TAG20100920T121001 comment=NONE
    channel ORA_DISK_1: backup set complete, elapsed time: 00:00:17
    Finished backup at 20-SEP-10
    Starting Control File and SPFILE Autobackup at 20-SEP-10
    piece handle=C:\BACKUPS\CONTROLFILE\CF_C-639859515-20100920-01 comment=NONE
    Finished Control File and SPFILE Autobackup at 20-SEP-10
    RMAN retention policy will be applied to the command
    RMAN retention policy is set to recovery window of 8 days
    no obsolete backups found
    RMAN retention policy will be applied to the command
    RMAN retention policy is set to recovery window of 8 days
    using channel ORA_DISK_1
    no obsolete backups found
    Starting restore at 20-SEP-10
    using channel ORA_DISK_1
    channel ORA_DISK_1: starting validation of datafile backupset
    channel ORA_DISK_1: reading from backup piece C:\BACKUPS\DATAFILE\ORA_DF729786183_S13_S1
    channel ORA_DISK_1: restored backup piece 1
    piece handle=C:\BACKUPS\DATAFILE\ORA_DF729786183_S13_S1 tag=TAG20100915T142303
    channel ORA_DISK_1: validation complete, elapsed time: 00:00:25
    Finished restore at 20-SEP-10
    Starting restore at 20-SEP-10
    using channel ORA_DISK_1
    channel ORA_DISK_1: starting validation of datafile backupset
    channel ORA_DISK_1: reading from backup piece C:\BACKUPS\CONTROLFILE\CF_C-639859515-20100920-01
    channel ORA_DISK_1: restored backup piece 1
    piece handle=C:\BACKUPS\CONTROLFILE\CF_C-639859515-20100920-01 tag=TAG20100920T121018
    channel ORA_DISK_1: validation complete, elapsed time: 00:00:03
    Finished restore at 20-SEP-10
    Recovery Manager complete.
    Next day Log Of Incremental Level 1
    Recovery Manager: Release 10.2.0.3.0 - Production on Tue Sep 21 17:58:00 2010
    Copyright (c) 1982, 2005, Oracle. All rights reserved.
    connected to target database: FUJIVDB (DBID=639859515)
    RMAN> run
    2> {
    3> show all;
    4> backup incremental level 1 database;
    5> sql 'ALTER SYSTEM ARCHIVE LOG CURRENT';
    6> backup archivelog all;
    7> report obsolete;
    8> delete obsolete;
    9> restore validate database;
    10> restore validate controlfile;
    11> }
    12> exit
    using target database control file instead of recovery catalog
    RMAN configuration parameters are:
    CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 8 DAYS;
    CONFIGURE BACKUP OPTIMIZATION OFF; # default
    CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
    CONFIGURE CONTROLFILE AUTOBACKUP ON;
    CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO 'C:\Backups\Controlfile\cf_%F';
    CONFIGURE DEVICE TYPE DISK PARALLELISM 1 BACKUP TYPE TO BACKUPSET;
    CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
    CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
    CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT 'C:\Backups\datafile\ora_df%t_s%s_s%p';
    CONFIGURE MAXSETSIZE TO UNLIMITED; # default
    CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
    CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default
    CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default
    CONFIGURE SNAPSHOT CONTROLFILE NAME TO 'C:\ORACLE\ORA102\DATABASE\SNCFFUJIVDB_%F%.ORA';
    Starting backup at 21-SEP-10
    allocated channel: ORA_DISK_1
    channel ORA_DISK_1: sid=321 devtype=DISK
    no parent backup or copy of datafile 3 found
    no parent backup or copy of datafile 4 found
    no parent backup or copy of datafile 2 found
    no parent backup or copy of datafile 1 found
    no parent backup or copy of datafile 6 found
    no parent backup or copy of datafile 11 found
    no parent backup or copy of datafile 7 found
    no parent backup or copy of datafile 8 found
    no parent backup or copy of datafile 9 found
    no parent backup or copy of datafile 10 found
    no parent backup or copy of datafile 12 found
    no parent backup or copy of datafile 13 found
    no parent backup or copy of datafile 14 found
    no parent backup or copy of datafile 15 found
    no parent backup or copy of datafile 5 found
    channel ORA_DISK_1: starting incremental level 1 datafile backupset
    channel ORA_DISK_1: specifying datafile(s) in backupset
    input datafile fno=00003 name=C:\ORACLE\ORADATA\FUJIVDB\SYSAUX01.DBF
    input datafile fno=00004 name=C:\ORACLE\ORADATA\FUJIVDB\UNDO02.DBF
    input datafile fno=00002 name=C:\ORACLE\ORADATA\FUJIVDB\UNDO01.DBF
    input datafile fno=00001 name=C:\ORACLE\ORADATA\FUJIVDB\SYSTEM01.DBF
    input datafile fno=00006 name=C:\ORACLE\ORADATA\FUJIVDB\USER01.DBF
    input datafile fno=00011 name=C:\ORACLE\ORADATA\FUJIVDB\INDX01.DBF
    input datafile fno=00007 name=C:\ORACLE\ORADATA\FUJIVDB\USER11.DBF
    input datafile fno=00008 name=C:\ORACLE\ORADATA\FUJIVDB\USER12.DBF
    input datafile fno=00009 name=C:\ORACLE\ORADATA\FUJIVDB\USER13.DBF
    input datafile fno=00010 name=C:\ORACLE\ORADATA\FUJIVDB\USER14.DBF
    input datafile fno=00012 name=C:\ORACLE\ORADATA\FUJIVDB\INDX11.DBF
    input datafile fno=00013 name=C:\ORACLE\ORADATA\FUJIVDB\INDX12.DBF
    input datafile fno=00014 name=C:\ORACLE\ORADATA\FUJIVDB\INDX13.DBF
    input datafile fno=00015 name=C:\ORACLE\ORADATA\FUJIVDB\INDX14.DBF
    input datafile fno=00005 name=C:\ORACLE\ORADATA\FUJIVDB\TOOLS01.DBF
    channel ORA_DISK_1: starting piece 1 at 21-SEP-10
    channel ORA_DISK_1: finished piece 1 at 21-SEP-10
    piece handle=C:\BACKUPS\DATAFILE\ORA_DF730317484_S56_S1 tag=TAG20100921T175803 comment=NONE
    channel ORA_DISK_1: backup set complete, elapsed time: 00:02:06
    Finished backup at 21-SEP-10
    Starting Control File and SPFILE Autobackup at 21-SEP-10
    piece handle=C:\BACKUPS\CONTROLFILE\CF_C-639859515-20100921-06 comment=NONE
    Finished Control File and SPFILE Autobackup at 21-SEP-10
    sql statement: ALTER SYSTEM ARCHIVE LOG CURRENT
    Starting backup at 21-SEP-10
    current log archived
    using channel ORA_DISK_1
    channel ORA_DISK_1: starting archive log backupset
    channel ORA_DISK_1: specifying archive log(s) in backup set
    input archive log thread=1 sequence=1 recid=9 stamp=729858731
    input archive log thread=1 sequence=2 recid=10 stamp=729887062
    input archive log thread=1 sequence=3 recid=11 stamp=729953114
    input archive log thread=1 sequence=4 recid=12 stamp=729973634
    input archive log thread=1 sequence=5 recid=13 stamp=729973634
    input archive log thread=1 sequence=6 recid=14 stamp=730015209
    input archive log thread=1 sequence=7 recid=15 stamp=730058416
    input archive log thread=1 sequence=8 recid=16 stamp=730058416
    input archive log thread=1 sequence=9 recid=17 stamp=730144816
    input archive log thread=1 sequence=10 recid=18 stamp=730144816
    input archive log thread=1 sequence=11 recid=19 stamp=730210042
    input archive log thread=1 sequence=12 recid=20 stamp=730210200
    input archive log thread=1 sequence=13 recid=21 stamp=730210201
    input archive log thread=1 sequence=14 recid=22 stamp=730210443
    input archive log thread=1 sequence=15 recid=23 stamp=730210444
    input archive log thread=1 sequence=16 recid=24 stamp=730231219
    input archive log thread=1 sequence=17 recid=25 stamp=730231220
    input archive log thread=1 sequence=18 recid=26 stamp=730261837
    input archive log thread=1 sequence=19 recid=27 stamp=730299124
    input archive log thread=1 sequence=20 recid=28 stamp=730299125
    input archive log thread=1 sequence=21 recid=29 stamp=730299448
    input archive log thread=1 sequence=22 recid=30 stamp=730299459
    input archive log thread=1 sequence=23 recid=31 stamp=730299531
    input archive log thread=1 sequence=24 recid=32 stamp=730299531
    input archive log thread=1 sequence=25 recid=33 stamp=730317616
    input archive log thread=1 sequence=26 recid=34 stamp=730317616
    channel ORA_DISK_1: starting piece 1 at 21-SEP-10
    channel ORA_DISK_1: finished piece 1 at 21-SEP-10
    piece handle=C:\BACKUPS\DATAFILE\ORA_DF730317617_S58_S1 tag=TAG20100921T180016 comment=NONE
    channel ORA_DISK_1: backup set complete, elapsed time: 00:00:18
    Finished backup at 21-SEP-10
    Starting Control File and SPFILE Autobackup at 21-SEP-10
    piece handle=C:\BACKUPS\CONTROLFILE\CF_C-639859515-20100921-07 comment=NONE
    Finished Control File and SPFILE Autobackup at 21-SEP-10
    RMAN retention policy will be applied to the command
    RMAN retention policy is set to recovery window of 8 days
    no obsolete backups found
    RMAN retention policy will be applied to the command
    RMAN retention policy is set to recovery window of 8 days
    using channel ORA_DISK_1
    no obsolete backups found
    Starting restore at 21-SEP-10
    using channel ORA_DISK_1
    channel ORA_DISK_1: starting validation of datafile backupset
    channel ORA_DISK_1: reading from backup piece C:\BACKUPS\DATAFILE\ORA_DF729786183_S13_S1
    channel ORA_DISK_1: restored backup piece 1
    piece handle=C:\BACKUPS\DATAFILE\ORA_DF729786183_S13_S1 tag=TAG20100915T142303
    channel ORA_DISK_1: validation complete, elapsed time: 00:00:26
    Finished restore at 21-SEP-10
    Starting restore at 21-SEP-10
    using channel ORA_DISK_1
    channel ORA_DISK_1: starting validation of datafile backupset
    channel ORA_DISK_1: reading from backup piece C:\BACKUPS\CONTROLFILE\CF_C-639859515-20100921-07
    channel ORA_DISK_1: restored backup piece 1
    piece handle=C:\BACKUPS\CONTROLFILE\CF_C-639859515-20100921-07 tag=TAG20100921T180035
    channel ORA_DISK_1: validation complete, elapsed time: 00:00:02
    Finished restore at 21-SEP-10
    Recovery Manager complete.

  • 9i to 10g Incremental Backup

    I have an Oracle 9i database which I need to do incremental backup into my 10g database in the different server. What is the best way to do this?
    any help would be greatly appreciated

    I'm not sure I understand what you're after.
    "Backup" generally means a physical backup-- RMAN or user managed backups. But that doesn't sound like what you're after. You don't restore physical backups into another database and the restored backup will always be the same Oracle version as the source database.
    "Backup" might also refer to a logical backup taken via export (classic or DataPump). But you cannot (functionally and practically) generate an incremental export. You could import an export generated from a 9i database into a 10g database.
    Perhaps you mean "replication" rather than "backup". If that is the case, can you explain the business problem you're trying to solve? There are a variety of ways to replicate data from one database to another-- Streams, materialized views, CDC, DataGuard, etc.-- depending on the problem you're trying to solve.
    Justin

  • Need help on incremental backup

    Hi,
    I am running a rman backup using 10g DBCONSOLE. I selected level 0 backup and it's running. this is the command.
    >>
    backup incremental level 0 cumulative device type disk filesperset = 5 tag 'BACKUP_DHAVA.SOS.S_081507014538' database;
    >>
    my question is when should run my level 1 backup?? can i run every week level 1backup and run level 0 back every 4 week?
    if i want to recover in what order should i recover??
    thanks

    can i run every week level 1backup and run level 0 back every 4 week?There's no fix rule. But I would do a level 0 backup more frequently, let's say once a week. And a level 1 backup the other days. Otherwise a restore/recovery could run very long.
    if i want to recover in what order should i recover??You don't have to care about this, RMAN knows which backups are needed in which order. Restore process starts always with a level 0 backup, afterwards it reads all needed level 1 backups and the following recover process applies the archivelogs.
    Werner

  • About incremental backup

    Dear Friends ,
    We have a ORacle 10g database server which is 24x7 hours running . We take everyday RMAN full backup ,now we want to run "Incremental rman backup" 6 days in a week and "Full Backup" rest of the week . But in oracle article we read that
    "RMAN can only create incremental backups of datafiles, not of archived redo log files or other files."
    (source: http://download.oracle.com/docs/cd/B19306_01/backup.102/b14192/bkup001.htm#BRBSC131)
    In this moment I think , archivelog is very important for database recovery and it is necessary to take archivelog backup regularly .Now if we want to run Incremental backup then I think I cannot take "archivelog" backup using following script :
    run
    allocate channel t1 type 'sbt_tape' parms
    'ENV=(TDPO_OPTFILE=/usr/tivoli/tsm/client/oracle/bin64/tdpo.opt)';
    sql "alter system switch logfile";
    backup incremental level 1 database plus archivelog;
    Give me some idea plz ... ...what should I need to ?

    Sorry Hemant ,
    Accroding to ur advice , I run the script following way :
    run
    allocate channel t1 type disk;
    backup incremental level 1 database;
    sql "alter system switch logfile";
    backup archivelog;
    But I got the following ERROR :
    RMAN-00571: ===========================================================
    RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
    RMAN-00571: ===========================================================
    RMAN-00558: error encountered while parsing input commands
    RMAN-01009: syntax error: found ";": expecting one of: "all, from, high, like, logseq, low, scn, sequence, time, until"
    RMAN-01007: at line 6 column 18 file: standard input
    RMAN>
    But when I use the following script , it shows no error :
    run
    allocate channel t1 type disk;
    sql "alter system switch logfile";
    backup incremental level 1 database plus archivelog;
    I think here database is backup only using LEVEL 1 , but archivelog is backed up full . Here is the output :
    RMAN> run
    2> {
    3> allocate channel t1 type disk;
    4> sql "alter system switch logfile";
    5> backup incremental level 1 database plus archivelog;
    6> }
    using target database control file instead of recovery catalog
    allocated channel: t1
    channel t1: sid=159 devtype=DISK
    sql statement: alter system switch logfile
    Starting backup at 29-JUL-08
    current log archived
    channel t1: starting archive log backupset
    channel t1: specifying archive log(s) in backup set
    input archive log thread=1 sequence=2 recid=1 stamp=661354070
    input archive log thread=1 sequence=3 recid=2 stamp=661354123
    input archive log thread=1 sequence=4 recid=3 stamp=661354895
    input archive log thread=1 sequence=5 recid=4 stamp=661354935
    input archive log thread=1 sequence=6 recid=5 stamp=661355047
    input archive log thread=1 sequence=7 recid=6 stamp=661355050
    input archive log thread=1 sequence=8 recid=7 stamp=661355072
    input archive log thread=1 sequence=9 recid=8 stamp=661355327
    channel t1: starting piece 1 at 29-JUL-08
    channel t1: finished piece 1 at 29-JUL-08
    piece handle=C:\ORACLE\PRODUCT\10.2.0\FLASH_RECOVERY_AREA\TESTDB\BACKUPSET\2008_07_29\O1_MF_ANNNN_TAG20080729T143725_48
    channel t1: backup set complete, elapsed time: 00:00:06
    Finished backup at 29-JUL-08
    Starting backup at 29-JUL-08
    channel t1: starting incremental level 1 datafile backupset
    channel t1: specifying datafile(s) in backupset
    input datafile fno=00001 name=C:\ORACLE\PRODUCT\10.2.0\ORADATA\TESTDB\SYSTEM01.DBF
    input datafile fno=00003 name=C:\ORACLE\PRODUCT\10.2.0\ORADATA\TESTDB\SYSAUX01.DBF
    input datafile fno=00002 name=C:\ORACLE\PRODUCT\10.2.0\ORADATA\TESTDB\UNDOTBS01.DBF
    input datafile fno=00004 name=C:\ORACLE\PRODUCT\10.2.0\ORADATA\TESTDB\USERS01.DBF
    channel t1: starting piece 1 at 29-JUL-08
    channel t1: finished piece 1 at 29-JUL-08
    piece handle=C:\ORACLE\PRODUCT\10.2.0\FLASH_RECOVERY_AREA\TESTDB\BACKUPSET\2008_07_29\O1_MF_NNND1_TAG20080729T143732_48
    channel t1: backup set complete, elapsed time: 00:00:15
    Finished backup at 29-JUL-08
    Starting backup at 29-JUL-08
    current log archived
    channel t1: starting archive log backupset
    channel t1: specifying archive log(s) in backup set
    input archive log thread=1 sequence=33 recid=32 stamp=661358270
    channel t1: starting piece 1 at 29-JUL-08
    channel t1: finished piece 1 at 29-JUL-08
    piece handle=C:\ORACLE\PRODUCT\10.2.0\FLASH_RECOVERY_AREA\TESTDB\BACKUPSET\2008_07_29\O1_MF_ANNNN_TAG20080729T143751_48
    channel t1: backup set complete, elapsed time: 00:00:02
    Finished backup at 29-JUL-08
    Starting Control File and SPFILE Autobackup at 29-JUL-08
    piece handle=D:\RMAN_BACK\CFC-2444681464-20080729-0C comment=NONE
    Finished Control File and SPFILE Autobackup at 29-JUL-08
    released channel: t1
    RMAN>
    what u think , am i right ?

  • RMAN: Increment backup very slow

    Hi All,
    We have Datawarehouse database having size around 7TB. Increment backup performance is extremely poor it is taking approx 14hrs to complete the process. We have also enabled block change tracking but failed to meet target.
    Below mentioned DB info & RMAN configuration parameters:
    DB: 11.1.0.6
    OS: Linux 2.6.18-128.el5 x86_64
    System has 16 processor when more than two process per CPU i.e. 32
    CONFIGURE RETENTION POLICY TO REDUNDANCY 5;
    CONFIGURE BACKUP OPTIMIZATION ON;
    CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
    CONFIGURE CONTROLFILE AUTOBACKUP ON;
    CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '/d01copy/control_bkp/autobackup_control_file%F';
    CONFIGURE DEVICE TYPE DISK PARALLELISM 13 BACKUP TYPE TO COMPRESSED BACKUPSET;
    CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
    CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
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