Shulou(Shulou.com)06/01 Report--

Abnormality caused by temporary reuse, note!

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',3130)

SQL > SQL > exec dbms_space_admin.segment_corrupt ('TESTIDX',3130)

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',3130)

SQL > exec dbms_space_admin.segment_drop_corrupt ('TESTIDX',3130)

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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