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临时段reuse引起的异常,小记!
SQL> create index cwdtest.testidx1 on cwdtest.tab_level_2(FID) tablespace testidx;
create index cwdtest.testidx1 on cwdtest.tab_level_2(FID) tablespace testidx
*
ERROR at line 1:
ORA-00376: file 3 cannot be read at this time
ORA-01110: data file 3: '/opt/app/oracle/oradata/orcl/testidx01.dbf'
alter system set db_block_checksum=false;
System altered.
select 'exec dbms_space_admin.segment_corrupt('''||tablespace_name||''','||relative_fno||','||HEADER_BLOCK||')'
2 from dba_segments where SEGMENT_TYPE='TEMPORARY'and TABLESPACE_NAME = 'TESTIDX';
'EXECDBMS_SPACE_ADMIN.SEGMENT_CORRUPT('''||TABLESPACE_NAME||''','||RELATIVE_FNO|
--------------------------------------------------------------------------------
exec dbms_space_admin.segment_corrupt('TESTIDX',3,130)
SQL> SQL> exec dbms_space_admin.segment_corrupt('TESTIDX',3,130);
PL/SQL procedure successfully completed.
select 'exec dbms_space_admin.segment_drop_corrupt('''||tablespace_name||''','||relative_fno||','||HEADER_BLOCK||')'
2 from dba_segments where SEGMENT_TYPE='TEMPORARY'and TABLESPACE_NAME = 'TESTIDX';
'EXECDBMS_SPACE_ADMIN.SEGMENT_DROP_CORRUPT('''||TABLESPACE_NAME||''','||RELATIVE
--------------------------------------------------------------------------------
exec dbms_space_admin.segment_drop_corrupt('TESTIDX',3,130)
SQL> exec dbms_space_admin.segment_drop_corrupt('TESTIDX',3,130);
PL/SQL procedure successfully completed.
select owner, segment_name, tablespace_name, relative_fno, HEADER_BLOCK
from dba_segments
where SEGMENT_TYPE='TEMPORARY'
4 and TABLESPACE_NAME = 'TESTIDX';
no rows selected
SQL> exec SYS.DBMS_SPACE_ADMIN.TABLESPACE_REBUILD_BITMAPS('TESTIDX');
BEGIN SYS.DBMS_SPACE_ADMIN.TABLESPACE_REBUILD_BITMAPS('TESTIDX'); END;
*
ERROR at line 1:
ORA-00376: file 3 cannot be read at this time
ORA-01110: data file 3: '/opt/app/oracle/oradata/orcl/testidx01.dbf'
ORA-06512: at "SYS.DBMS_SPACE_ADMIN", line 120
ORA-06512: at line 1
SQL> SHOW PARAMETER db_block_checksum
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
db_block_checksum string FALSE
SQL> alter system set db_block_checksum=true;
System altered.
SELECT distinct(segment_name), owner, segment_type, partition_name FROM dba_extents
2 WHERE tablespace_name = 'TESTIDX';
no rows selected
SQL> create index cwdtest.testidx1 on cwdtest.tab_level_2(FID) tablespace testidx;
Index created.
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