Oracle/Oracle Study
UNDO tablespace 변경
평생초보
2011. 7. 26. 15:10
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1. 또 다른 undo tablespace를 생성한다.
create undo tablespace undotbs2
create undo tablespace undotbs2
datafile '/data4/oradata/undotbs2.dbf' size 1G autoextend on next 64M maxsize unlimited;
2. 새로 생성한 undo를 임시로 default 로 설정한다.
alter system set undo_tablespace = UNDOTBS2;
3. 기존 undo tablespace를 삭제한다.
drop tablespace undotbs1 including contents and datafiles cascade constraints;
4. 새로 적용할 undo tablespace를 생성한다.
create undo tablespace undotbs1
datafile '/data1/oradata/undotbs01.dbf' size 2G autoextend on next 100M maxsize 4G,
'/data2/oradata/undotbs02.dbf' size 2G autoextend on next 100M maxsize 4G,
'/data3/oradata/undotbs03.dbf' size 2G autoextend on next 100M maxsize 4G,
'/data4/oradata/undotbs04.dbf' size 2G autoextend on next 100M maxsize 4G
;
5. default undo tablespace의 값을 재설정한다.
alter system set undo_tablespace = UNDOTBS1;
6. 임시로 만들어 놓은 undo tablespace를 삭제한다.
drop tablespace undotbs2 including contents and datafiles cascade constraints;
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