【Oracle Database】數據庫控制文件管理

移動控制文件
[oracle@wallet01?~]$?sqlplus?/?as?sysdba
SQL>?set?line?200
SQL>?col?name?for?a60
SQL>?select?status,name?from?v$controlfile;

STATUS??NAME
-------?------------------------------------------------------------
????????/u01/app/oracle/oradata/wallet/control01.ctl
????????/u01/app/oracle/fast_recovery_area/wallet/control02.ctl
??????????????????????
SQL>?alter?system?set?control_files=
'/u01/app/oracle/oradata/wallet/control01.ctl',
'/u02/app/oracle/oradata/wallet/control02.ctl'?scope=spfile;
System?altered.

SQL>?shutdown?immediate???
Database?closed.
Database?dismounted.
ORACLE?instance?shut?down.

[oracle@wallet01?~]$?cp?/u01/app/oracle/oradata/wallet/control01.ctl?/u02/app/oracle/oradata/wallet/control02.ctl

[oracle@wallet01?~]$?sqlplus?/?as?sysdba
SQL>?startup
ORACLE?instance?started.

Total?System?Global?Area?1068937216?bytes
Fixed?Size??????????????????2260088?bytes
Variable?Size?????????????335545224?bytes
Database?Buffers??????????725614592?bytes
Redo?Buffers????????????????5517312?bytes
Database?mounted.
Database?opened.

SQL>?set?line?200
SQL>?col?name?for?a60
SQL>?select?status,name?from?v$controlfile;

STATUS??NAME
-------?------------------------------------------------------------
????????/u01/app/oracle/oradata/wallet/control01.ctl
????????/u02/app/oracle/oradata/wallet/control02.ctl
??????????????????????
SQL>?host?rm?-rf?/u01/app/oracle/flash_recovery_area/wallet/control02.ctl

重建控制文件
SQL>?show?parameter?user_dump_dest
NAME?????????????????????????????????TYPE??????????????????????????????VALUE
------------------------------------?---------------------------------?------------------------------
user_dump_dest???????????????????????string????????????????????????????/u01/app/oracle/diag/rdbms/kin
???????????????????????????????????????????????????????????????????????g/wallet/trace
???????????????????????????????????????????????????????????????????????
SQL>?alter?session?set?tracefile_identifier='trace_control';
Session?altered.

SQL>?alter?database?backup?controlfile?to?trace;
Database?altered.

[oracle@wallet01?~]$?cd?/u01/app/oracle/diag/rdbms/wallet/wallet/trace

[oracle@wallet01?trace]$?more?wallet_ora_28356_trace_control.trc

SQL>?shutdown?immediate
Database?closed.
Database?dismounted.
ORACLE?instance?shut?down.

SQL>?host?rm?-rf?/u01/app/oracle/oradata/wallet/control01.ctl

SQL>?host?rm?-rf?/u02/app/oracle/oradata/wallet/control02.ctl

SQL>?startup?nomount
ORACLE?instance?started.

Total?System?Global?Area?1068937216?bytes
Fixed?Size??????????????????2260088?bytes
Variable?Size?????????????335545224?bytes
Database?Buffers??????????725614592?bytes
Redo?Buffers????????????????5517312?bytes

SQL>?CREATE?CONTROLFILE?REUSE?DATABASE?"WALLET"?NORESETLOGS??ARCHIVELOG
????MAXLOGFILES?16
????MAXLOGMEMBERS?3
????MAXDATAFILES?100
????MAXINSTANCES?8
????MAXLOGHISTORY?292
LOGFILE
??GROUP?1?(
????'/u01/app/oracle/oradata/wallet/redo01a.log',
????'/u02/app/oracle/oradata/wallet/redo01b.log'
??)?SIZE?50M?BLOCKSIZE?512,
??GROUP?2?(
????'/u01/app/oracle/oradata/wallet/redo02a.log',
????'/u02/app/oracle/oradata/wallet/redo02b.log'
??)?SIZE?50M?BLOCKSIZE?512,
??GROUP?3?(
????'/u01/app/oracle/oradata/wallet/redo03a.log',
????'/u02/app/oracle/oradata/wallet/redo03b.log'
??)?SIZE?50M?BLOCKSIZE?512
--?STANDBY?LOGFILE
DATAFILE
??'/u01/app/oracle/oradata/wallet/system01.dbf',
??'/u01/app/oracle/oradata/wallet/sysaux01.dbf',
??'/u01/app/oracle/oradata/wallet/undotbs01.dbf',
??'/u01/app/oracle/oradata/wallet/users01.dbf',
??'/u01/app/oracle/oradata/wallet/soe01.dbf',
??'/u01/app/oracle/oradata/wallet/soe02.dbf',
CHARACTER?SET?AL32UTF8;
Control?file?created.

SQL>?shutdown?abort????
ORACLE?instance?shut?down.

SQL>?startup
ORACLE?instance?started.

Total?System?Global?Area?1068937216?bytes
Fixed?Size??????????????????2260088?bytes
Variable?Size?????????????335545224?bytes
Database?Buffers??????????725614592?bytes
Redo?Buffers????????????????5517312?bytes
Database?mounted.
Database?opened.