本文共 3530 字,大约阅读时间需要 11 分钟。
以下是Oracle数据库中将数据表空间文件转移的详细步骤说明:
sqlplus / as sysdba
select * from dba_data_files where tablespace_name like 'USERS';
检查文件名、文件ID、表空间名称、字节大小等详细信息,确保迁移的文件符合要求。
alter tablespace USERS offline;
完成后会显示“表空间已更改”。
cp /oradata/oracle/app/oracle/oradata/test/users01.dbf /oradata/oracle/datafile
alter database rename file '/oradata/oracle/app/oracle/oradata/test/users01.dbf' to '/oradata/oracle/datafile/users01.dbf';
alter tablespace USERS online;
select file_name from sys.dba_data_files;
预期结果应包括迁移后的文件路径。
select tablespace_name, sum(bytes)/1024/1024||'M' as freespaces from dba_data_files group by tablespace_name;
检查是否有足够的空闲空间供其他表空间使用。
rm -rf /oradata/oracle/app/oracle/oradata/test/users01.dbf
以下是系统表空间文件转移的详细步骤说明:
sqlplus / as sysdba
select name from v$controlfile; select name from v$datafile; select member from v$logfile; select name from v$tempfile;
create pfile from spfile; shutdown immediate;
mkdir fast_recovery_area cp /oradata/oracle/app/oracle/oradata/test/control01.ctl /oradata/oracle/datafile cp /oradata/oracle/app/oracle/fast_recovery_area/test/control02.ctl /oradata/oracle/datafile/fast_recovery_area cp /oradata/oracle/app/oracle/oradata/test/*.dbf /oradata/oracle/datafile cp /oradata/oracle/app/oracle/oradata/test/*.log /oradata/oracle/datafile
cd $ORACLE_HOME/dbs vi initwind.ora *control_files='/oradata/oracle/datafile/control01.ctl','/oradata/oracle/datafile/fast_recovery_area/control02.ctl'
startup mount;
alter database rename file '/oradata/oracle/app/oracle/oradata/test/system01.dbf' to '/oradata/oracle/datafile/system01.dbf'; alter database rename file '/oradata/oracle/app/oracle/oradata/test/sysaux01.dbf' to '/oradata/oracle/datafile/sysaux01.dbf'; alter database rename file '/oradata/oracle/app/oracle/oradata/test/undotbs01.dbf' to '/oradata/oracle/datafile/undotbs01.dbf'; alter database rename file '/oradata/oracle/app/oracle/oradata/test/redo01.log' to '/oradata/oracle/datafile/redo01.log'; alter database rename file '/oradata/oracle/app/oracle/oradata/test/redo02.log' to '/oradata/oracle/datafile/redo02.log'; alter database rename file '/oradata/oracle/app/oracle/oradata/test/redo03.log' to '/oradata/oracle/datafile/redo03.log'; alter database rename file '/oradata/oracle/app/oracle/oradata/test/standby01.log' to '/oradata/oracle/datafile/standby01.log'; alter database rename file '/oradata/oracle/app/oracle/oradata/test/standby02.log' to '/oradata/oracle/datafile/standby02.log'; alter database rename file '/oradata/oracle/app/oracle/oradata/test/standby03.log' to '/oradata/oracle/datafile/standby03.log'; alter database rename file '/oradata/oracle/app/oracle/oradata/test/standby04.log' to '/oradata/oracle/datafile/standby04.log'; alter database rename file '/oradata/oracle/app/oracle/oradata/test/temp01.dbf' to '/oradata/oracle/datafile/temp01.dbf';
select name from v$datafile; select member from v$logfile; select name from v$tempfile;
alter database open;
以上步骤可帮助您完成数据表空间和系统表空间文件的迁移,确保数据库在迁移过程中保持稳定运行。
转载地址:http://suqiz.baihongyu.com/