總結(jié):最初的db_name是orcl,重建控制文件,想把db_name修改為orclK,如果重建控制文件使用REUSE,會提示ORA-01503: CREATE CONTROLFILE failedORA-01161: database name ORCL in file header does not match given name of ORCLKORA-01110: data file 1: '/u01/app/oracle/oradata/orcl/system01.dbf'最初數(shù)據(jù)庫的名字是orcl
sqlplus / as sysdba
SQL> show parameter db_name
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
db_name string orcl
SQL> alter database backup controlfile to trace as '/home/oracle/control';
/etc/oratab新增了數(shù)據(jù)庫orclK的配置,具體配置如下
orcl:/u01/app/oracle/product/11.2.0/dbhome_1:Y
orclK:/u01/app/oracle/product/11.2.0/dbhome_1:Y
cp initorcl.ora initorclK.ora
把initorclK.ora里面的*.db_name='orcl'修改為*.db_name='orclK'
實驗1,使用REUSE修改/home/oracle/control內(nèi)容,使用默認的REUSE,把ORCL修改為ORCLK
STARTUP NOMOUNT
CREATE CONTROLFILE REUSE DATABASE "ORCLK" RESETLOGS NOARCHIVELOG XXX
.oraenv
orclK
sqlplus / as sysdba
SQL> @/home/oracle/control
ORACLE instance started.
Total System Global Area 1272213504 bytes
Fixed Size 1344680 bytes
Variable Size 352324440 bytes
Database Buffers 905969664 bytes
Redo Buffers 12574720 bytes
CREATE CONTROLFILE REUSE DATABASE "ORCLK" RESETLOGS NOARCHIVELOG
*
ERROR at line 1:
ORA-01503: CREATE CONTROLFILE failed
ORA-01161: database name ORCL in file header does not match given name of ORCLK
ORA-01110: data file 1: '/u01/app/oracle/oradata/orcl/system01.dbf'
實驗2,使用SET修改/home/oracle/control內(nèi)容,把REUSE修改為SET,把ORCL修改為ORCLK
STARTUP NOMOUNT
CREATE CONTROLFILE SET DATABASE "ORCLK" RESETLOGS NOARCHIVELOG XXX
.oraenv
orclK
sqlplus / as sysdba
SQL> @/home/oracle/control.sql
ORACLE instance started.
Total System Global Area 1272213504 bytes
Fixed Size 1344680 bytes
Variable Size 352324440 bytes
Database Buffers 905969664 bytes
Redo Buffers 12574720 bytes
Control file created.
SQL> alter database open resetlogs;
Database altered.
SQL> show parameter db_name
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
db_name string orclK
實驗也發(fā)現(xiàn)/home/oracle/control里面的內(nèi)容大小寫敏感,大小寫結(jié)果一樣,比如ORCLK都是大寫,但是實際db_name是orclK
本文名稱:CREATECONTROLFILE修改DB_NAME一定不能使用REUSE
標題來源:http://vcdvsql.cn/article16/gjeddg.html
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