[관리] user01.dbf 파일이 손상되거나 지워진 경우

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에러 상황

/oracle/oradata/ocp 안의 user01.dbf 파일이 손상되거나 지워진 경우

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1. startup mount 까지만 startup

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SQL> startup mount

ORACLE instance started.

Total System Global Area  235999352 bytes

Fixed Size                   450680 bytes

Variable Size             201326592 bytes

Database Buffers           33554432 bytes

Redo Buffers                 667648 bytes

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2. 매핑 정보를 확인..

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SQL> ed

Wrote file afiedt.buf

  1  select ts.name, df.name

  2  from v$tablespace ts, v$datafile df

  3* where ts.TS# = df.TS#

SQL>

SQL>

SQL> col NAME format a35

SQL> /

NAME                                NAME

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SYSTEM                              /oracle/oradata/ocp/system01.dbf

UNDOTBS1                            /oracle/oradata/ocp/undotbs01.dbf

CWMLITE                             /oracle/oradata/ocp/cwmlite01.dbf

DRSYS                               /oracle/oradata/ocp/drsys01.dbf

EXAMPLE                             /oracle/oradata/ocp/example01.dbf

INDX                                /oracle/oradata/ocp/indx01.dbf

ODM                                 /oracle/oradata/ocp/odm01.dbf

TOOLS                               /oracle/oradata/ocp/tools01.dbf

USERS                               /oracle/oradata/ocp/users01.dbf

XDB                                 /oracle/oradata/ocp/xdb01.dbf

10 rows selected.

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3. 마운트 정보 해제

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SQL> alter database datafile ‘/oracle/oradata/ocp/users01.dbf’ offline drop

Database altered.

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4. database를 open한다.

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SQL> alter database open;

Database altered.

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5. 테이블 지우기

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SQL> drop tablespace users;

Tablespace dropped.

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6. shutdown 한다.

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SQL> shutdown immediate

Database closed.

Database dismounted.

ORACLE instance shut down.

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7. 다시 startup하면 끄읏~

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SQL> startup

ORACLE instance started.

Total System Global Area  235999352 bytes

Fixed Size                   450680 bytes

Variable Size             201326592 bytes

Database Buffers           33554432 bytes

Redo Buffers                 667648 bytes

Database mounted.

Database opened.

SQL>