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  • oracle替换undo表空间

     ---添加错文件名!


    04:28:34 SYS@ntxdb(ntxdb)> alter tablespace UNDOTBS1 add datafile '/u01/app/oracle/oradata/ntxdb/users02.dbf' size 30g autoextend off;

    Tablespace altered.

    04:30:20 SYS@ntxdb(ntxdb)> alter tablespace UNDOTBS1 add datafile '/u01/app/oracle/oradata/ntxdb/users03.dbf' size 30g autoextend off;

    Tablespace altered.


    --undo创建错误
    create tablespace UNDOTBS2 datafile '/u01/app/oracle/oradata/ntxdb/undotbs2_01.dbf' size 5G autoextend off;

    create pfile='/home/oracle/pfile_0421' from spfile;

    --导致替换报错

    05:39:11 > alter system set undo_tablespace=undotbs2 scope=both;
    alter system set undo_tablespace=undotbs2 scope=both
    *
    ERROR at line 1:
    ORA-02097: parameter cannot be modified because specified value is invalid
    ORA-30012: undo tablespace 'UNDOTBS2' does not exist or of wrong type


    --删除错误的 undotbs2
    05:43:26 > DROP TABLESPACE UNDOTBS2 INCLUDING CONTENTS AND DATAFILES;

    Tablespace dropped.

    05:43:34 >

    --创建正确的 undo
    create undo tablespace undotbs2 datafile '/u01/app/oracle/oradata/ntxdb/undotbs2_01.dbf' size 10G ;

    --替换
    alter system set undo_tablespace=undotbs2 scope=both;

    --删除
    drop tablespace undotbs1 including contents and datafiles;

    --重新替换回来!
    create undo tablespace undotbs1 datafile '/u01/app/oracle/oradata/ntxdb/undotbs01.dbf' size 30G autoextend off;

    alter system set undo_tablespace=undotbs1 scope=both;

    drop tablespace undotbs2 including contents and datafiles;

    --更新 pfile
    create pfile from spfile;

    alter tablespace UNDOTBS1 add datafile '/u01/app/oracle/oradata/ntxdb/undotbs02.dbf' size 30g autoextend off;

    alter tablespace UNDOTBS1 add datafile '/u01/app/oracle/oradata/ntxdb/undotbs03.dbf' size 30g autoextend off;

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  • 原文地址:https://www.cnblogs.com/ss-33/p/12748345.html
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