---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;