ORA-20000故障排除手記
1、發現故障。
在Oracle10.2.0.1的alert.log檔案中發現如下錯誤。
Wed Jul 8 22:00:08 2009
Errors in file /export/home/oracle/admin/ora10g/bdump/ora10g_j000_1472.trc:
ORA-12012: error on auto execute of job 8888
ORA-20000: ORA-20000: Content of the tablespace specified is not permanent or tablespace name is invalid
ORA-06512: at "SYS.PRVT_ADVISOR", line 1624
ORA-06512: at "SYS.DBMS_ADVISOR", line 186
ORA-06512: at "SYS.DBMS_SPACE", line 1338
ORA-06512: at "SYS.DBMS_SPACE", line 1554
仔細檢查,幾乎每天晚上10點都報這個錯。顯然是某個job出錯了。
2、檢視trc檔案,發現如下錯
*** ACTION NAME:(AUTO_SPACE_ADVISOR_JOB) 2009-07-07 22:00:08.968
*** MODULE NAME:(DBMS_SCHEDULER) 2009-07-07 22:00:08.968
*** SERVICE NAME:(SYS$USERS) 2009-07-07 22:00:08.968
*** SESSION ID:(1005.30306) 2009-07-07 22:00:08.968
是Oracle AUTO_SPACE_ADVISOR_JOB任務。
3、再現并驗證錯誤
SQL> exec dbms_space.auto_space_advisor_job_proc;
BEGIN dbms_space.auto_space_advisor_job_proc; END;
*
ERROR at line 1:
ORA-20000: Content of the tablespace specified is not permanent or tablespace
name is invalid
ORA-06512: at "SYS.PRVT_ADVISOR", line 1624
ORA-06512: at "SYS.DBMS_ADVISOR", line 186
ORA-06512: at "SYS.DBMS_SPACE", line 1338
ORA-06512: at "SYS.DBMS_SPACE", line 1554
ORA-06512: at line 1
果然出現同樣的錯誤。
4、找出問題表空間名:參見( otn的一篇文章 )
SQL> select distinct tablespace_name from DBA_AUTO_SEGADV_CTL;
TABLESPACE_NAME
------------------------------
TBS_DNINMSV30
...
SQL> select tablespace_name from dba_tablespaces;
TABLESPACE_NAME
------------------------------
...
TBS_DNINMSV3
果然,存在不一緻情況(這是Oracle的一個Bug所緻,Oracle10.2.0.1沒有自動的更新字典表)。
繼續
SQL> select count(*) from DBA_AUTO_SEGADV_CTL where tablespace_name = ' TBS_DNINMSV3 ';
COUNT(*)
1
SQL> select segment_owner, segment_name, status from DBA_AUTO_SEGADV_CTL where tablespace_name=' TBS_DNINMSV3 ';
SEGMENT_OWNER SEGMENT_NAME STATUS
BEING_PROCESSED
5、三步搞定,解決問題 ( 參考文檔 )
建立DBA_AUTO_SEGADV_CTL中存在,但實際卻不存在的表空間(100K就夠了,目的也就是借用它的“名字”):
create tablespace TBS_DNINMSV30 datafile '/export/home/oracle/tmp/dninsmv30temp.dbf' size 100k;
運作
exec dbms_space.auto_space_advisor_job_proc; ----果然不報錯了
删除表空間
drop tablespace TBS_DNINMSV30
6、再次驗證
運作
exec dbms_space.auto_space_advisor_job_proc; ----依然不報錯,說明問題解決。
另注:
直接删除DBA_AUTO_SEGADV_CTL中的條目是是不可以的。
delete DBA_AUTO_SEGADV_CTL where tablespace_name='TBS_DNINMSV30';
一旦運作exec dbms_space.auto_space_advisor_job_proc; TBS_DNINMSV30又會出現