Backup/restore tablespaces in noarchivelog mode

In our office there is a oracle 10g box that's used for testing purposes.
It's only got 1 database, but each user has their own tablespace.
As it's not a 'live' box, archivelog and flashrecovery have been disabled by the dba probably in favour of speed.
I have a NUnit test suit that runs across a tablespace, and I am trying to restore the tablespace before each run.
In noarchivelog mode, RMAN allows me to take the tablespace offline, and create a backup - so far so good.
Later on, I am able to take the tablespace offline again, and issue a "RESTORE TABLESPACE" command.
But then I cannot bring the tablespace online without issuing a "RECOVER" command.
I have tried the NOREDO option but it still says that the file needs a media recovery before it can be brought online.
Is there a way to bring the tablespace online without applying the REDO logs ?
Or is tablespace backup/restore not possible because of noarchivelog ?
Thanks.

I tried the TTS method, and it was only marginally quicker than a data_only impdp.
I suspect this is due to the nature of a fresh nunit test database, where the metadata (huge tables structure, stored proc, etc) is often larger than the table contents itself.
In the grand scheme of things it might even end up slower, as i need to drop the tablespace including contents if i want to use TTS to load up the backed up dbf.
From the comments I'm guessing that there's no way of just updating the timestamp of the tablespace without applying the REDO logs then ?
I've tested other methods as well.
Flash recovery could only work on a table or db level, I can't take the db offline as there are other users on it with their own tablespace/schemas. (it was an old dev's box, we're reusing what we can)
impdb with the truncate and data_only flag seems to be the only viable option so far, with TTS up for consideration.

Similar Messages

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    Hi,
    I am running 10g.
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    Thanks

    Hi
    I am able to backup the tablespace,
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  • System datafile block corruption - no backups and database in NOARCHIVELOG mode

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  • How to backup only one tablespace in cold backup noarchivelog mode

    Hi,
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  • Restoring backup taken in NOARCHIVELOG mode

    Hi I have a test database in noarchivelog mode. The backup I am implementing involves:
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    >
    Hi I have a test database in noarchivelog mode. The backup I am implementing involves:
    Shutting down the database in immedtiate mode. Taking a complete backup of the
    a) Datafiles
    b) Controlfiles
    c) Redo log files
    d) Parameter file
    e) Password file
    Now, when I want to restore in case of any media failure, I will copy all the above file to their respective locations.
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    What I am thinking is to open the database with alter database open
    >
    Your thinking is right :-) You have chosen the simplest but not necessarily most efficient or reliable backup method. You simply get the whole database back from backup, so there is no resetlogs necessary. But keep in mind that you lose all modifications since your backup.
    Kind regards
    Uwe
    http://uhesse.wordpress.com

  • Restore using incremental backup with noarchivelog mode

    Hello experts,
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    Regards,
    Venkateshwar

    If you do not want to read the whole doc This is the snippet for you.
    Recovering a NOARCHIVELOG Database with Incremental Backups
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  • ORA-01152 when restoring from RMAN backupset in NOARCHIVELOG mode

    Hi all,
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    Recovery Manager: Release 10.2.0.1.0 - Production on Tue Feb 13 00:36:55 2007
    Copyright (c) 1982, 2005, Oracle. All rights reserved.
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    output filename=D:\ORACLE\ORADATA\DAWA\CONTROL02.CTL
    output filename=D:\ORACLE\ORADATA\DAWA\CONTROL03.CTL
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    'E:\ORACLE\PRODUCT\10.1.0\ORADATA\DAWA\UNDOTBS202' TO
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    RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
    RMAN-00571: ===========================================================
    RMAN-03002: failure of alter db command at 08/18/2011 08:44:45
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    SYS @ DAWA> shutdown immediate
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    ORACLE instance shut down.
    SYS @ DAWA> startup mount
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    Fixed Size                   792200 bytes
    Variable Size             551807352 bytes
    Database Buffers          494927872 bytes
    Redo Buffers                1048576 bytes
    Database mounted.
    SYS @ DAWA> recover database using backup controlfile until cancel;
    ORA-00279: change 329012 generated at 03/08/2005 16:24:46 needed for thread 1
    ORA-00289: suggestion :
    X:\ORACLE\ORADATA\FLASH_REC\DAWA\ARCHIVELOG\2011_08_18\O1_MF_1_6_%U_.ARC
    ORA-00280: change 329012 for thread 1 is in sequence #6
    Specify log: {<RET>=suggested | filename | AUTO | CANCEL}
    ORA-00308: cannot open archived log
    'X:\ORACLE\ORADATA\FLASH_REC\DAWA\ARCHIVELOG\2011_08_18\O1_MF_1_6_%U_.ARC'
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    ORA-01110: data file 1: 'X:\ORACLE\ORADATA\DAWA\SYSTEM01.DBF'You can download the alert log from here:
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  • Restore in noarchivelog mode ( redo log files have been dropped )

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  • Hot backup on NOARCHIVELOG mode?

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  • What files can be excluded from user-managed backup in noarchivelog mode?

    what files can be excluded from user-managed backup in noarchivelog mode?
    control files,
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    ... and don't forget pfile or spfile... it can help too.
    Re: What are generally backed up during the backup?
    Nicolas.

  • Can't backup database in NOarchivelog mode

    Hi there,
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    channel ORA_DISK_1: specifying datafile(s) in backupset
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    RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
    RMAN-00571: ===========================================================
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    ORA-19602: cannot backup or copy active file in NOARCHIVELOG mode
    please help.
    Thanks in advance!

    user13286861 wrote:
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  • ORA-19602: cannot backup or copy active file in NOARCHIVELOG mode

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    Thanks

    ORA-19602: cannot backup or copy active file in NOARCHIVELOG modeIs your database in archivelog or noarchivelog mode?
    How to Turn Archiving ON and OFF [ID 69739.1]
    Please also see these docs/links.
    ORA-19602 Using RMAN to Backup Database [ID 246183.1]
    COLD RMAN backup fails: Ora-19602 even after SHUTDOWN IMMEDIATE and STARTUP MOUNT [ID 373828.1]
    Backup & Recovery
    http://www.oracle.com/pls/db112/portal.portal_db?selected=14&frame=#backup_and_recovery
    Thanks,
    Hussein

  • Rman backup in noarchivelog mode

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    Message was edited by:
    ArchanaTewatia

    Hi,
    Try to study the errors Correctly ..
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    RMAN-00571: ===========================================================
    RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
    RMAN-00571: ===========================================================
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    RMAN-06403: could not obtain a fully authorized session
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    ORA-27101: shared memory realm does not exist
    Try to mount the Target DataBase it will work.
    Thanks
    Pavan Kumar N

  • Single Tablespace Backup, Restore and Recovery

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    You cannot copy a tablespace from one database to another using the normal Backup/Restore methods.
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    Hemant K Chitale
    http://hemantoracledba.blogspot.com

  • Unable to restore TABLESPACE using RMAN backups

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    Redo Buffers                   6381568 bytes
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    set newname for clone datafile  1 to new;
    set newname for clone datafile  7 to new;
    set newname for clone datafile  2 to new;
    set newname for clone tempfile  1 to new;
    set newname for datafile  6 to
    "/oracle/oradata/TRAINEE/datafile/o1_mf_test1_95w9fln9_.dbf";
    # switch all tempfiles
    switch clone tempfile all;
    # restore the tablespaces in the recovery set and the auxiliary set
    restore clone datafile  1, 7, 2, 6;
    switch clone datafile all;
    executing Memory Script
    executing command: SET until clause
    executing command: SET NEWNAME
    executing command: SET NEWNAME
    executing command: SET NEWNAME
    executing command: SET NEWNAME
    executing command: SET NEWNAME
    renamed tempfile 1 to /tmp/TRAINEE/datafile/o1_mf_temp_%u_.tmp in control file
    Starting restore at 16-OCT-13
    using channel ORA_AUX_DISK_1
    channel ORA_AUX_DISK_1: starting datafile backup set restore
    channel ORA_AUX_DISK_1: specifying datafile(s) to restore from backup set
    channel ORA_AUX_DISK_1: restoring datafile 00001 to /tmp/TRAINEE/datafile/o1_mf_system_%u_.dbf
    channel ORA_AUX_DISK_1: restoring datafile 00007 to /tmp/TRAINEE/datafile/o1_mf_undotbs2_%u_.dbf
    channel ORA_AUX_DISK_1: restoring datafile 00002 to /tmp/TRAINEE/datafile/o1_mf_sysaux_%u_.dbf
    channel ORA_AUX_DISK_1: restoring datafile 00006 to /oracle/oradata/TRAINEE/datafile/o1_mf_test1_95w9fln9_.dbf
    channel ORA_AUX_DISK_1: reading from backup piece /tmp/1iomi9rv_1_1
    channel ORA_AUX_DISK_1: piece handle=/tmp/1iomi9rv_1_1 tag=TAG20131016T144935
    channel ORA_AUX_DISK_1: restored backup piece 1
    channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:15
    Finished restore at 16-OCT-13
    datafile 1 switched to datafile copy
    input datafile copy RECID=11 STAMP=828975325 file name=/tmp/TRAINEE/datafile/o1_mf_system_95wbkybb_.dbf
    datafile 7 switched to datafile copy
    input datafile copy RECID=12 STAMP=828975325 file name=/tmp/TRAINEE/datafile/o1_mf_undotbs2_95wbkycy_.dbf
    datafile 2 switched to datafile copy
    input datafile copy RECID=13 STAMP=828975325 file name=/tmp/TRAINEE/datafile/o1_mf_sysaux_95wbkybz_.dbf
    contents of Memory Script:
    # set requested point in time
    set until  logseq 706 thread 1;
    # online the datafiles restored or switched
    sql clone "alter database datafile  1 online";
    sql clone "alter database datafile  7 online";
    sql clone "alter database datafile  2 online";
    sql clone "alter database datafile  6 online";
    # recover and open resetlogs
    recover clone database tablespace  "TEST1", "SYSTEM", "UNDOTBS2", "SYSAUX" delete archivelog;
    alter clone database open resetlogs;
    executing Memory Script
    executing command: SET until clause
    sql statement: alter database datafile  1 online
    sql statement: alter database datafile  7 online
    sql statement: alter database datafile  2 online
    sql statement: alter database datafile  6 online
    Starting recover at 16-OCT-13
    using channel ORA_AUX_DISK_1
    starting media recovery
    archived log for thread 1 with sequence 702 is already on disk as file /oracle/product/11.2.0/dbhome_1/dbs/arch1_702_807275402.dbf
    archived log for thread 1 with sequence 703 is already on disk as file /oracle/product/11.2.0/dbhome_1/dbs/arch1_703_807275402.dbf
    archived log for thread 1 with sequence 704 is already on disk as file /oracle/product/11.2.0/dbhome_1/dbs/arch1_704_807275402.dbf
    archived log for thread 1 with sequence 705 is already on disk as file /oracle/product/11.2.0/dbhome_1/dbs/arch1_705_807275402.dbf
    archived log file name=/oracle/product/11.2.0/dbhome_1/dbs/arch1_702_807275402.dbf thread=1 sequence=702
    archived log file name=/oracle/product/11.2.0/dbhome_1/dbs/arch1_703_807275402.dbf thread=1 sequence=703
    archived log file name=/oracle/product/11.2.0/dbhome_1/dbs/arch1_704_807275402.dbf thread=1 sequence=704
    archived log file name=/oracle/product/11.2.0/dbhome_1/dbs/arch1_705_807275402.dbf thread=1 sequence=705
    media recovery complete, elapsed time: 00:00:01
    Finished recover at 16-OCT-13
    database opened
    contents of Memory Script:
    # make read only the tablespace that will be exported
    sql clone 'alter tablespace  TEST1 read only';
    # create directory for datapump import
    sql "create or replace directory TSPITR_DIROBJ_DPDIR as ''
    /tmp''";
    # create directory for datapump export
    sql clone "create or replace directory TSPITR_DIROBJ_DPDIR as ''
    /tmp''";
    executing Memory Script
    sql statement: alter tablespace  TEST1 read only
    sql statement: create or replace directory TSPITR_DIROBJ_DPDIR as ''/tmp''
    sql statement: create or replace directory TSPITR_DIROBJ_DPDIR as ''/tmp''
    Performing export of metadata...
       EXPDP> Starting "SYS"."TSPITR_EXP_CsFz":
       EXPDP> Processing object type TRANSPORTABLE_EXPORT/PLUGTS_BLK
       EXPDP> Processing object type TRANSPORTABLE_EXPORT/TABLE
       EXPDP> Processing object type TRANSPORTABLE_EXPORT/POST_INSTANCE/PLUGTS_BLK
       EXPDP> Master table "SYS"."TSPITR_EXP_CsFz" successfully loaded/unloaded
       EXPDP> ******************************************************************************
       EXPDP> Dump file set for SYS.TSPITR_EXP_CsFz is:
       EXPDP>   /tmp/tspitr_CsFz_17454.dmp
       EXPDP> ******************************************************************************
       EXPDP> Datafiles required for transportable tablespace TEST1:
       EXPDP>   /tmp/TRAINEE/datafile/o1_mf_test1_95wbkyck_.dbf
       EXPDP> Job "SYS"."TSPITR_EXP_CsFz" successfully completed at 14:56:02
    Export completed
    contents of Memory Script:
    # shutdown clone before import
    shutdown clone immediate
    executing Memory Script
    database closed
    database dismounted
    Oracle instance shut down
    Performing import of metadata...
       IMPDP> Master table "SYS"."TSPITR_IMP_CsFz" successfully loaded/unloaded
       IMPDP> Starting "SYS"."TSPITR_IMP_CsFz":
       IMPDP> Processing object type TRANSPORTABLE_EXPORT/PLUGTS_BLK
    Removing automatic instance
    Automatic instance removed
    auxiliary instance file /tmp/TRAINEE/datafile/o1_mf_temp_95wblk08_.tmp deleted
    auxiliary instance file /tmp/TRAINEE/onlinelog/o1_mf_3_95wblj14_.log deleted
    auxiliary instance file /tmp/TRAINEE/onlinelog/o1_mf_2_95wblhn8_.log deleted
    auxiliary instance file /tmp/TRAINEE/onlinelog/o1_mf_1_95wblh8q_.log deleted
    auxiliary instance file /tmp/TRAINEE/datafile/o1_mf_sysaux_95wbkybz_.dbf deleted
    auxiliary instance file /tmp/TRAINEE/datafile/o1_mf_undotbs2_95wbkycy_.dbf deleted
    auxiliary instance file /tmp/TRAINEE/datafile/o1_mf_system_95wbkybb_.dbf deleted
    auxiliary instance file /tmp/TRAINEE/controlfile/o1_mf_95wbkpvj_.ctl deleted
    RMAN-00571: ===========================================================
    RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
    RMAN-00571: ===========================================================
    RMAN-03002: failure of recover command at 10/16/2013 14:56:16
    RMAN-06963: Error received during import of metadata
    RMAN-06961:    IMPDP> ORA-39123: Data Pump transportable tablespace job aborted
    ORA-01565: error in identifying file '/oracle/oradata/TRAINEE/datafile/o1_mf_test1_95w9fln9_.dbf'
    ORA-27037: unable to obtain file status
    Linux Error: 2: No such file or directory
    Additional information: 3

    Hi,
    Cloud you please cheek below link:
    ORACLE Cookies: TSPITR to recover a dropped tablespace
    Thank you

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