更改Oracle数据文件名及数据文件存放路径
SQL> select * from v$dbfile;        FILE# NAME ---------- --------------------------------------------------------------------------------          1 /db2/oracle/oradata/db2/system01.dbf          2 /db2/oracle/oradata/db2/sysaux01.dbf          3 /db2/oracle/oradata/db2/undotbs01.dbf          4 /db2/oracle/oradata/db2/users01.dbf          5 /db2/oracle/product/11.2.0/db_1/dbs/D:ORACLE11GADMINORADATAADMINgg01.dbf          6 /db2/oracle/oradata/db2/db201.dbf
一、关闭数据库进行修改 [oracle@db1 ~]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on Thu Jul 26 17:43:38 2012
Copyright (c) 1982, 2009, Oracle.  All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> shutdown immediate Database closed. Database dismounted. ORACLE instance shut down.
[oracle@db1 ~]$ mv /db2/oracle/product/11.2.0/db_1/dbs/D\:ORACLE11GADMINORADATAADMINgg01.dbf  /db2/oracle/oradata/db2/gg01.dbf
SQL*Plus: Release 11.2.0.1.0 Production on Thu Jul 26 17:48:31 2012
Copyright (c) 1982, 2009, Oracle.  All rights reserved.
Connected to an idle instance.
SQL> startup mount ORACLE instance started.
Total System Global Area  521936896 bytes Fixed Size      2214936 bytes Variable Size    163578856 bytes Database Buffers   352321536 bytes Redo Buffers      3821568 bytes Database mounted.
SQL> alter database rename file '/db2/oracle/product/11.2.0/db_1/dbs/D\:ORACLE11GADMINORADATAADMINgg01.dbf' to '/db2/oracle/oradata/db2/gg01.dbf';
Database altered.
SQL> select * from v$dbfile;        FILE# NAME ---------- --------------------------------------------------------------------------------          1 /db2/oracle/oradata/db2/system01.dbf          2 /db2/oracle/oradata/db2/sysaux01.dbf          3 /db2/oracle/oradata/db2/undotbs01.dbf          4 /db2/oracle/oradata/db2/users01.dbf          5 /db2/oracle/oradata/db2/gg01.dbf          6 /db2/oracle/oradata/db2/db201.dbf   6 rows selected
二、在线修改 方法1:表空间offline SQL> select  *  from dba_data_files;   FILE_NAME                                                                           FILE_ID TABLESPACE_NAME                     BYTES     BLOCKS STATUS    RELATIVE_FNO AUTOEXTENSIBLE   MAXBYTES  MAXBLOCKS INCREMENT_BY USER_BYTES USER_BLOCKS ONLINE_STATUS -------------------------------------------------------------------------------- ---------- ------------------------------ ---------- ---------- --------- ------------ -------------- ---------- ---------- ------------ ---------- ----------- ------------- /db2/oracle/oradata/db2/system01.dbf                                                      1 SYSTEM                          734003200      89600 AVAILABLE            1 YES            3435972198    4194302         1280  732954624       89472 SYSTEM /db2/oracle/oradata/db2/sysaux01.dbf                                                      2 SYSAUX                          629145600      76800 AVAILABLE            2 YES            3435972198    4194302         1280  628097024       76672 ONLINE /db2/oracle/oradata/db2/undotbs01.dbf                                                     3 UNDOTBS1                        618659840      75520 AVAILABLE            3 YES            3435972198    4194302          640  617611264       75392 ONLINE /db2/oracle/oradata/db2/users01.dbf                                                       4 USERS                             5242880        640 AVAILABLE            4 YES            3435972198    4194302          160    4194304         512 ONLINE /db2/oracle/oradata/db2/gg01.dbf                                                          5 GG                              104857600      12800 AVAILABLE            5 NO                      0          0            0  103809024       12672 ONLINE /db2/oracle/oradata/db2/db201.dbf                                                         6 DB2                             104857600      12800 AVAILABLE            6 NO                      0          0            0  103809024       12672 ONLINE   SQL> alter tablespace gg offline;   Tablespace altered
SQL> host mv /db2/oracle/oradata/db2/gg01.dbf /db2/oracle/oradata/db2/admin.dbf
SQL> alter database rename file '/db2/oracle/oradata/db2/gg01.dbf' to '/db2/oracle/oradata/db2/admin.dbf';   Database altered
SQL> alter tablespace gg online;   Tablespace altered
SQL> select  *  from dba_data_files;   FILE_NAME                                                                           FILE_ID TABLESPACE_NAME                     BYTES     BLOCKS STATUS    RELATIVE_FNO AUTOEXTENSIBLE   MAXBYTES  MAXBLOCKS INCREMENT_BY USER_BYTES USER_BLOCKS ONLINE_STATUS -------------------------------------------------------------------------------- ---------- ------------------------------ ---------- ---------- --------- ------------ -------------- ---------- ---------- ------------ ---------- ----------- ------------- /db2/oracle/oradata/db2/system01.dbf                                                      1 SYSTEM                          734003200      89600 AVAILABLE            1 YES            3435972198    4194302         1280  732954624       89472 SYSTEM /db2/oracle/oradata/db2/sysaux01.dbf                                                      2 SYSAUX                          629145600      76800 AVAILABLE            2 YES            3435972198    4194302         1280  628097024       76672 ONLINE /db2/oracle/oradata/db2/undotbs01.dbf                                                     3 UNDOTBS1                        618659840      75520 AVAILABLE            3 YES            3435972198    4194302          640  617611264       75392 ONLINE /db2/oracle/oradata/db2/users01.dbf                                                       4 USERS                             5242880        640 AVAILABLE            4 YES            3435972198    4194302          160    4194304         512 ONLINE /db2/oracle/oradata/db2/admin.dbf                                                         5 GG                              104857600      12800 AVAILABLE            5 NO                      0          0            0  103809024       12672 ONLINE /db2/oracle/oradata/db2/db201.dbf                                                         6 DB2                             104857600      12800 AVAILABLE            6 NO                      0          0            0  103809024       12672 ONLINE   方法2:数据文件脱机 （方法2必须在数据库归档模式下进行) SQL> alter database datafile 5 offline; alter database datafile 5 offline * ERROR at line 1: ORA-01145: offline immediate disallowed unless media recovery enabled
SQL> archive log list; Database log mode        No Archive Mode Automatic archival        Disabled Archive destination        USE_DB_RECOVERY_FILE_DEST Oldest online log sequence     69 Current log sequence        71
开归档 [oracle@db1 ~]$ mkdir /db2/oracle/archivelog [oracle@db1 ~]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on Thu Jul 26 18:15:52 2012
Copyright (c) 1982, 2009, Oracle.  All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> shutdown immediate Database closed. Database dismounted. ORACLE instance shut down.
SQL> startup mount ORACLE instance started.
Total System Global Area  521936896 bytes Fixed Size      2214936 bytes Variable Size    163578856 bytes Database Buffers   352321536 bytes Redo Buffers      3821568 bytes Database mounted. SQL> alter system set log_archive_dest_1='location=/db2/oracle/archivelog/';
System altered.
SQL> alter database archivelog;
Database altered.
SQL> alter database open;
Database altered.
SQL> archive log list Database log mode        Archive Mode Automatic archival        Enabled Archive destination        /db2/oracle/archivelog/ Oldest online log sequence     69 Next log sequence to archive   71 Current log sequence        71
SQL> alter database datafile 5 offline;
Database altered.
SQL> host mv /db2/oracle/oradata/db2/admin.dbf /db2/oracle/oradata/db2/gg01.dbf
SQL> alter database rename file '/db2/oracle/oradata/db2/admin.dbf' to '/db2/oracle/oradata/db2/gg01.dbf';
Database altered.
SQL> alter database datafile 5 online; alter database datafile 5 online * ERROR at line 1: ORA-01113: file 5 needs media recovery ORA-01110: data file 5: '/db2/oracle/oradata/db2/gg01.dbf'
SQL> recover datafile 5; Media recovery complete.
SQL> alter database datafile 5 online;
Database altered.
SQL> select file_id,file_name,tablespace_name,online_status from dba_data_files;      FILE_ID FILE_NAME                                                                        TABLESPACE_NAME                ONLINE_STATUS ---------- -------------------------------------------------------------------------------- ------------------------------ -------------          1 /db2/oracle/oradata/db2/system01.dbf                                             SYSTEM                         SYSTEM          2 /db2/oracle/oradata/db2/sysaux01.dbf                                             SYSAUX                         ONLINE          3 /db2/oracle/oradata/db2/undotbs01.dbf                                            UNDOTBS1                       ONLINE          4 /db2/oracle/oradata/db2/users01.dbf                                              USERS                          ONLINE          5 /db2/oracle/oradata/db2/gg01.dbf                                                 GG                             ONLINE          6 /db2/oracle/oradata/db2/db201.dbf                                                DB2                            ONLINE  

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