改oracle的name和dbid
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改oracle的name和dbid
-- 我们可以使用NID 命令只修改DBNAME， 或者只修改DBID，或者2个都修改。
--本文不修改 instance_name
他们的区别如下：
1.If you change the DBID you must open the database with the RESETLOGS option,which re-creates the online redo logs and resets their sequence to 1.
-- 修改DBID，必须要用resetlogs 打开数据库。这个在之前的DBID 的介绍里说过，因为DBID 存在与数据文件，redo log 和控制文件。所以如果修改了DBID，则必须要使用resetlogs打开。
2. If you change the DBNAME without changing the DBID then this does not require you to open with the RESETLOGS option, so database backups and archived logs are not invalidated. You must change the DB_NAME initialization parameter after a database name change to reflect the new name. Also, you may have to re-create the Oracle password file. If you restore an old backup of the control file (before the name change, then you should use the initialization parameter file and password file from before the database name change.
具体步骤如下：
SQL>
SQL>select name,dbid,db_unique_name from v$database;
NAME DBID DB_UNIQUE_NAME
------------------ ---------- ------------------------------------------------------------
PROD9 4167122059 PROD9
SQL>select instance_name from v$instance;
INSTANCE_NAME
--------------------------------
PROD9
SQL>
SQL>shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL>
SQL>
SQL>startup mount;
ORACLE instance started.
Total System Global Area 5.3687E+10 bytes
Fixed Size 2239008 bytes
Variable Size 1480119776 bytes
Database Buffers 5.2194E+10 bytes
Redo Buffers 10813440 bytes
Database mounted.
SQL>
SQL>
SQL>exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
bash-3.2$nid
DBNEWID: Release 10.2.0.4.0 - Production on Mon May 21 10:31:35 2012
Copyright (c) 1982, 2007, Oracle. All rights reserved.
Keyword Description (Default)
----------------------------------------------------
TARGET Username/Password (NONE)
DBNAME New database name (NONE)
LOGFILE Output Log (NONE)
REVERT Revert failed change NO
SETNAME Set a new database name only NO
APPEND Append to output log NO
HELP Displays these messages NO
bash-3.2$
bash-3.2$nid target=/ dbname=rac #注意：这里的rac指的是新的dbname
DBNEWID: Release 10.2.0.4.0 - Production on Mon May 21 10:32:32 2012
Copyright (c) 1982, 2007, Oracle. All rights reserved.
Connected to database PROD9 (DBID=4167122059)
Connected to server version 10.2.0
Control Files in database:
/u22/system/cntrl01.dbf
/u52/idx/cntrl02.dbf
/u21/undo/cntrl03.dbf
Change database ID and database name PROD9 to RAC? (Y/[N]) =>Y #要手动输入Y
Proceeding with operation
Changing database ID from 4167122059 to 2371814656
Changing database name from PROD9 to RAC
Control File /u22/system/cntrl01.dbf - modified
Control File /u52/idx/cntrl02.dbf - modified
Control File /u21/undo/cntrl03.dbf - modified
Datafile /u22/system/system01.dbf - dbid changed, wrote new name
Datafile /u22/system/system02.dbf - dbid changed, wrote new name
Datafile /u22/system/system03.dbf - dbid changed, wrote new name
Datafile /u22/system/system04.dbf - dbid changed, wrote new name
Datafile /u22/system/system05.dbf - dbid changed, wrote new name
Datafile /u22/system/ctxd01.dbf - dbid changed, wrote new name
Datafile /u22/system/owad01.dbf - dbid changed, wrote new name
Datafile /u21/undo/rbs06.dbf - dbid changed, wrote new name
Datafile /u21/undo/rbs07.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA26.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX25.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA27.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX26.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA28.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX27.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX28.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA29.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX29.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA30.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX30.dbf - dbid changed, wrote new name
Datafile /u21/undo/rbs04.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA31.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA32.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX31.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA33.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX32.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA34.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA35.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX33.dbf - dbid changed, wrote new name
Datafile /u22/system/APPS_TS_SUMMARY06.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA36.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX34.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA37.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX35.dbf - dbid changed, wrote new name
Datafile /u21/undo/rbs08.dbf - dbid changed, wrote new name
Datafile /u21/undo/rbs09.dbf - dbid changed, wrote new name
Datafile /u21/undo/rbs10.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA38.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX36.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX37.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX38.dbf - dbid changed, wrote new name
Datafile /u22/system/APPS_TS_SUMMARY07.dbf - dbid changed, wrote new name
Datafile /u22/system/sysaux01.dbf - dbid changed, wrote new name
Datafile /u22/system/igid01.dbf - dbid changed, wrote new name
Datafile /u22/system/system06.dbf - dbid changed, wrote new name
Datafile /u22/system/cfsd01.dbf - dbid changed, wrote new name
Datafile /u22/system/cfsx01.dbf - dbid changed, wrote new name
Datafile /u22/system/cuxd01.dbf - dbid changed, wrote new name
Datafile /u22/system/cuxx01.dbf - dbid changed, wrote new name
Datafile /u22/system/system07.dbf - dbid changed, wrote new name
Datafile /u22/system/oem_repository.dbf - dbid changed, wrote new name
Datafile /u22/system/oem_01.dbf - dbid changed, wrote new name
Datafile /u22/system/interim.dbf - dbid changed, wrote new name
Datafile /u21/undo/rbs05.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA01.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX01.dbf - dbid changed, wrote new name
Datafile /u22/system/APPS_TS_SEED01.dbf - dbid changed, wrote new name
Datafile /u22/system/APPS_TS_INTERFACE01.dbf - dbid changed, wrote new name
Datafile /u22/system/APPS_TS_SUMMARY01.dbf - dbid changed, wrote new name
Datafile /u22/system/APPS_TS_NOLOGGING01.dbf - dbid changed, wrote new name
Datafile /u22/system/APPS_TS_ARCHIVE01.dbf - dbid changed, wrote new name
Datafile /u22/system/APPS_TS_QUEUES01.dbf - dbid changed, wrote new name
Datafile /u22/system/APPS_TS_MEDIA01.dbf - dbid changed, wrote new name
Datafile /u22/system/APPS_TS_TOOLS01.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA02.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA03.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA04.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA05.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA06.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA07.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA08.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA09.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA10.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA11.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA12.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA13.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA14.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA15.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA16.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA17.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA18.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA19.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA20.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA21.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA22.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA23.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA24.dbf - dbid changed, wrote new name
Datafile /u62/data/APPS_TS_TX_DATA25.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX02.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX03.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX04.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX05.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX06.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX07.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX08.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX09.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX10.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX11.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX12.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX13.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX14.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX15.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX16.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX17.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX18.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX19.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX20.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX21.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX22.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX23.dbf - dbid changed, wrote new name
Datafile /u52/idx/APPS_TS_TX_IDX24.dbf - dbid changed, wrote new name
Datafile /u22/system/APPS_TS_SUMMARY02.dbf - dbid changed, wrote new name
Datafile /u22/system/APPS_TS_SUMMARY03.dbf - dbid changed, wrote new name
Datafile /u22/system/APPS_TS_SUMMARY04.dbf - dbid changed, wrote new name
Datafile /u22/system/APPS_TS_SUMMARY05.dbf - dbid changed, wrote new name
Datafile /u52/idx/temp09.dbf - dbid changed, wrote new name
Datafile /u52/idx/temp08.dbf - dbid changed, wrote new name
Datafile /u52/idx/temp07.dbf - dbid changed, wrote new name
Datafile /u52/idx/temp06.dbf - dbid changed, wrote new name
Datafile /u52/idx/temp05.dbf - dbid changed, wrote new name
Datafile /u52/idx/temp04.dbf - dbid changed, wrote new name
Datafile /u52/idx/temp03.dbf - dbid changed, wrote new name
Datafile /u52/idx/temp02.dbf - dbid changed, wrote new name
Datafile /u52/idx/temp01.dbf - dbid changed, wrote new name
Control File /u22/system/cntrl01.dbf - dbid changed, wrote new name
Control File /u52/idx/cntrl02.dbf - dbid changed, wrote new name
Control File /u21/undo/cntrl03.dbf - dbid changed, wrote new name
Instance shut down
Database name changed to RAC.
Modify parameter file and generate a new password file before restarting.
Database ID for database RAC changed to 2371814656.
All previous backups and archived redo logs for this database are unusable.
Database has been shutdown, open database with RESETLOGS option.
Succesfully changed database name and ID.
DBNEWID - Completed succesfully.
bash-3.2$
bash-3.2$
bash-3.2$sqlplus /nolog
SQL*Plus: Release 10.2.0.4.0 - Production on Mon May 21 10:35:08 2012
Copyright (c) 1982, 2007, Oracle. All Rights Reserved.
SQL>conn / as sysdba
Connected to an idle instance.
SQL>create pfile from spfile;
File created.
修改pfile里的db_name:
[oracle@singledb dbs]$ cat initPROD9.ora
...
*.db_name='rac' #只修改这一行即可
...
SQL>
SQL>startup mount pfile='/export/home/ora10/prod10db/10.2.0/dbs/initPROD9.ora';
ORACLE instance started.
Total System Global Area 5.3687E+10 bytes
Fixed Size 2239008 bytes
Variable Size 1564005856 bytes
Database Buffers 5.2110E+10 bytes
Redo Buffers 10813440 bytes
Database mounted.
SQL>alter database open resetlogs;
Database altered.
SQL>create spfile from pfile;
File created.
SQL>select name,dbid,db_unique_name from v$database;
NAME DBID DB_UNIQUE_NAME
------------------ ---------- ------------------------------------------------------------
RAC 2371814656 RAC
SQL>select instance_name from v$instance;
INSTANCE_NAME
--------------------------------
PROD9
SQL>
SQL>shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL>
SQL>startup
SQL>
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