DBID and DBNAME

We are using oracle 10.2.0.3 RAC in window environment and have two instances with different database installed on the same host. If we are going to use RMAN and not going to use recovery catalog, is there impact if our dbid and dbname are the same for the two database (because the second one is restored from the first one) ? Of course, the dbuniquename is different.
Thanks !

DBID and DBNAME should be unique for each independent database. You can use DBNEWID to change both.

Similar Messages

  • Oracle 10 Express Edition, SID and DBNAME HELP!!!

    Hi i'm from Russia and my english is very bad!
    Please, help!
    I'm use Oracle 10 Express Edition and i have a problem:
    My soft use speciefied database name, how i can (and may be then)
    rename SID and DBNAME?
    I .. change instance with "oradim" ,and change SID, DBNAME with "nid"
    I change not listener configuration.
    Please, help me. ...Thank's

    The Express Edition SID is 'XE'.
    If you change that, it is quite possible your database instance will stop working - or worse, work mostly, but not correctly all the time. XE is a special configuration and stuff like the SID are hardcoded in funny areas.
    The database registers itself with the listener. You should not need to change the listener configuration.

  • Dbid,dbname

    Hello
    Are dbid and dbname stored in both controlfile, datafile and redologs ?

    Scofield wrote:
    Hello
    Are dbid and dbname stored in both controlfile, datafile and redologs ?Well the answer is yes but I would suggest that one should think little bit deeply about it. If its not there in these files, how would they come to know for which db they are working?
    HTH
    Aman....

  • Changing SID

    Hello everyone,
    I use Oracle 10g R2 on Fedora Core 4.
    I was trying to change the SID of my test database.
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    Copyright (c) 1991, 2005, Oracle. All rights reserved.
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    TNS-00583: Valid node checking: unable to parse configuration parameters
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    here is the listener.ora:
    LISTENER =
    (DESCRIPTION_LIST =
    (DESCRIPTION =
    (ADDRESS_LIST =
    (ADDRESS = (PROTOCOL = TCP)(HOST = TestSys)(PORT = 1521))
    SID_LIST_LISTENER =
    (SID_LIST =
    (SID_DESC =
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    tDbSID.__java_pool_size=4194304
    tDbSID.__large_pool_size=4194304
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    tDbSID.__streams_pool_size=0
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    *.background_dump_dest='/u01/app/oracle/admin/testDb/bdump'
    *.compatible='10.2.0.1.0'
    *.control_files='/u01/app/oracle/oraData/testDb/control01.ctl','/u01/app/oracle/oraData/testDb/control02.ctl','/u01/app/oracle/oraData/testDb/control03.ctl'
    *.core_dump_dest='/u01/app/oracle/admin/testDb/cdump'
    *.db_block_size=8192
    *.db_domain='TestSys'
    *.db_file_multiblock_read_count=16
    *.db_name='testDb'
    *.open_cursors=300
    *.pga_aggregate_target=16777216
    *.processes=150
    *.remote_login_passwordfile='EXCLUSIVE'
    *.sga_target=167772160
    *.undo_management='AUTO'
    *.undo_tablespace='UNDOTBS'
    *.user_dump_dest='/u01/app/oracle/admin/testDb/udump'
    and tnsnames.ora:
    TESTDB =
    (DESCRIPTION =
    (ADDRESS_LIST =
    (ADDRESS = (PROTOCOL = TCP)(HOST = TestSys)(PORT = 1521))
    (CONNECT_DATA =
    (SERVER = DEDICATED)
    (SERVICE_NAME = tDbSID)
    The error is talking about an error in parsing the listener file.
    But the file looks alright. I thought maybe something else causing this problem.
    Someone in another forum has mentioned that I had to use NID. But NID is just for changing DBID and DbNAME, not SID.
    Any Idea, Please?
    Thanks in advance
    Amir Gheibi

    Thanks a lot for the reply,
    Eventually someone got what I mean?
    Actually that's the place that I found my answer few days ago and I've done the same thing and endup with this problem.
    So when I published my problem, everyone keep telling me use NID.
    Now, do you think the problem is in the Listener.ora?
    Because, as you can see in the first post, the error is talking about parsing problem.
    Thanks again
    Amir

  • Colne db2 to db1 on same server ??

    I have 2 DB, lets call them db1 and db2....
    lets say i want to restore db2 into db1....
    and they are both on the same server...
    db2 get loaded with some new data...and now we want db2 to reflect
    as db1 (without replication)...as we want to do a restore of db1
    couple of times after our stress testing is done..
    both DB are up and running, i take a backup of db2...
    then how do i proceed? how can i used backup of db2 and restore it into db1?..
    if i were to start db2 restore, it will obviously start the restore but will have same dbid and
    and db name (that is db2)...i know i can use nid tool to change dbid and dbname later...but
    what are the exact step...i am not sure of that...
    from what i can tell...these are teh steps i can think of...
    take backup of db2..
    then shutdown db2, and db1
    delete db1 ...
    then what do i do here??
    restore db2 (if i do this, wouldnt it overwrite db2, so how can i clone db2) ???
    and at the end use nid to changed the DBID and DB_NAME..i am on 10.2.0.3 on hp-ux

    Hi S2K,
    Best option is to use the duplicate command.
    Check this link on how to set it up.
    http://www.stanford.edu/dept/itss/docs/oracle/10gR2/backup.102/b14191/rcmdupdb001.htm
    Only db1 needs to be changed to nomount and some parameters need to be set to avoid overwriting (DB_FILE_NAME_CONVERT, LOG_FILE_NAME_CONVERT) controlfile, new dbid are all automatic just as the rename of the database.
    Regards,
    Tycho

  • NI SQL database changing name of field

    I'm connected to a NI database. I want to change the name of a field. Can I just change the database scheme, or is there something more to be done?

    see the metalink note Note:224266.1, if you have metalink account. This note has clearly explained hoe to change DBID and DBNAME. I used to follow these steps when changing DBID and DBNAME.

  • CHANGE DATABASE NAME

    Hi,
    Database 10g (10.2.0.1)
    OS : redhat 4
    I want to change my test database name .
    Please give me the instruction for the same and
    is there any difference to change the name in windows enviornment.
    Thanks.

    Using DBNEWID (nid) Utility, you can change the DBID and DBNAME of a Database.
    Carefully follow the Oracle Documentations.
    http://download.oracle.com/docs/cd/B19306_01/server.102/b14215/dbnewid.htm#sthref1850
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    Sabdar Syed.
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  • Dbname in archivelogs

    Hello
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    When I clone the database "orcl" to different server with database name "orcltest" , and mount the database, I can apply the archivelogs of "orcl".
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    Yes, you can rename the database with a CREATE CONTROLFILE and apply ArchiveLogs from the "old" DB Name as long as the DBID is not changed.
    (eg see http://hemantoracledba.blogspot.com/2009/05/rename-database-while-cloning-it.html )
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  • [bdb bug]repeatly open and close db may cause memory leak

    my test code is very simple :
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    for( ; ;)
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    DB_TXN *txnp;
    db_create(&dbp,dbenvp, 0);
    dbenvp->txn_begin(dbenvp, NULL, &txnp, 0);
    ret = dbp->open(dbp, txnp, filename, dbname, DB_BTREE, DB_CREATE, 0);
    if(ret != 0)
    printf("failed to open db:%s\n",db_strerror(ret));
    return 0;
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    dbp->close(dbp, DB_NOSYNC);
    I try to run my test program for a long time opening and closing db repeatly, then use the PS command and find the RSS is increasing slowly:
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    PID TTY STAT TIME MAJFL TRS DRS RSS %MEM COMMAND
    1986 pts/0 S 0:00 466 588 4999 980 0.3 -bash
    2615 pts/0 R 0:01 588 2 5141 2500 0.9 ./test
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    ps -va
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    Edited by: user9222236 on 2010-2-25 下午10:38

    I have tested my program using Oracle Berkeley DB release 4.8.26 and 4.7.25 in redhat 9.0 (Kernel 2.4.20-8smp on an i686) and AIX Version 5.
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    #include <stdio.h>
    #include <sys/time.h>
    #include "db.h"
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    printf("failed to open db:%s\n",db_strerror(ret));
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    dbp->close(dbp, DB_NOSYNC);
    dbenvp->close(dbenvp, 0);
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    Edited by: user9222236 on 2010-2-28 下午5:42
    Edited by: user9222236 on 2010-2-28 下午5:45

  • Oracle 10 Express Edition, SID, DBNAME

    Hi i'm from Russia and my english is very bad!
    Please, help!
    I'm use Oracle 10 Express Edition and i have a problem:
    My soft use speciefied database name, how i can (and may be then)
    rename SID and DBNAME?
    I .. change instance with "oradim" ,and change SID, DBNAME with "nid"
    I change not listener configuration.
    Please, help me. ...Thank's

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    C:\>sqlplus / as sysdba
    "Connected to an idle instance."
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    Fixed Size 1286220 bytes
    Variable Size 62918580 bytes
    Database Buffers 79691776 bytes
    Redo Buffers 2904064 bytes
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    Fixed Size 1286220 bytes
    Variable Size 62918580 bytes
    Database Buffers 79691776 bytes
    Redo Buffers 2904064 bytes
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    ORACLE instance shut down.
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    MAXLOGMEMBERS 3
    MAXDATAFILES 100
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    MAXLOGHISTORY 292
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    Fixed Size 1286220 bytes
    Variable Size 62918580 bytes
    Database Buffers 79691776 bytes
    Redo Buffers 2904064 bytes
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    Fixed Size 1286220 bytes
    Variable Size 62918580 bytes
    Database Buffers 79691776 bytes
    Redo Buffers 2904064 bytes
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    Variable Size 62918580 bytes
    Database Buffers 79691776 bytes
    Redo Buffers 2904064 bytes
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  • Questions regarding *dump_dest parameters and fast_recovery_area

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    Edited by: blavoie on Oct 31, 2010 6:18 PM
    Edited by: blavoie on Oct 31, 2010 6:20 PM

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    drwxr-x--- 4 oracle oinstall 512 2010-11-02 11:24 OCPDB
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    drwxr-x--- 2 oracle oinstall 512 2010-11-02 11:06 ocpdb
    drwxr-x--- 4 oracle oinstall 512 2010-11-02 11:24 OCPDB
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    drwxr-x--- 2 oracle oinstall 512 2010-11-02 11:06 onlinelog
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    Next log sequence to archive   6
    Current log sequence           6
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    db_recovery_file_dest_size           big integer 4032M
    recovery_parallelism                 integer     0
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    control_files                        string      /u01/app/oracle/oradata/ocpdb/control01.ctl,
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    log_archive_dest_10                  string
    log_archive_dest_11                  string
    log_archive_dest_12                  string
    log_archive_dest_13                  string
    log_archive_dest_14                  string
    log_archive_dest_15                  string
    log_archive_dest_16                  string
    log_archive_dest_17                  string
    log_archive_dest_18                  string
    log_archive_dest_19                  string
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    background_dump_dest                 string      /u01/app/oracle/diag/rdbms/ocpdb/ocpdb/trace
    core_dump_dest                       string      /u01/app/oracle/diag/rdbms/ocpdb/ocpdb/cdump
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    Thanks
    Bruno

  • Restore old rman backup after changing dbid?

    Hi,
    I backed up database using rman. then i changed dbid for that databases. can i restore backup what i backed up before changing DBID?

    No.
    When you change the DBID for a database, it becomes a different database. All the datafiles are stamped with the new DBID.
    And you cannot select a DBID value either, so you cannot choose to change the DBID back to the previous value.
    A RESTORE verifies that it is restoring to the same database -- it uses the DBID to verify. Since the DBIDs for the Backup and the now-present database do not match, a RESTORE cannot be attempted.
    You can remove the database with the changed DBID and do a complete RESTORE from the backup.
    Hemant K Chitale

  • Change DBID

    Hi,
    on 11g R2 I have some manually copied databases. I back up them in nocatalog mode. Then in controlfiles.
    I heard about DBID and then I looked at documentation that says :
    Because Recovery Manager (RMAN) distinguishes databases by DBID, you could not register a seed database and a manually copied database together in the same RMAN repository. Then can we say DBID is not a concern/problem for me because I do not have a RMAN repository and it is not necessary to change DBID of copied databases ?
    Thank you.

    user522961 wrote:
    Hi,
    on 11g R2 I have some manually copied databases. I back up them in nocatalog mode. Then in controlfiles.
    I heard about DBID and then I looked at documentation that says :
    Because Recovery Manager (RMAN) distinguishes databases by DBID, you could not register a seed database and a manually copied database together in the same RMAN repository. Then can we say DBID is not a concern/problem for me because I do not have a RMAN repository and it is not necessary to change DBID of copied databases ?
    Thank you.it depends.
    answer depends upon what you are going to restore where.
    DBID must be unique on single system.

  • Get DBID

    Hi friends,
    I am new person. I saw lots of example abouy restore/revovery DB. How do I know a DBID ( for set DBID= ) during recovering DB or control file.
    Thanks
    Jim

    You can see Note 227060.1 How To Determine The DBID When Using RMAN and Note:580414.1 RMAN - How to restore the controlfile using RMAN to know where you can get dbid and under what circumstances it's needed.
    Enrique
    PS. There another not documented ways to get the dbid as stated here: http://arjudba.blogspot.com/2008/05/how-to-discover-find-dbid.html

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