怎么解决Oracle报错ORA-01194、ORA-01110问题
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使用_allow_resetlogs_corruption打开无归档日志rman备份库,运维DBA反映服务器宕机后,开启数据库报错ORA-01194 ORA-01110,分析原因为Oracle SCN不一致导致数据库无法启动,使用_allow_resetlogs_corruption打开数据库
1.rman还原恢复操作
--还原数据库RMAN> restore database;--恢复数据库RMAN> recover database;Starting recover at 2012-03-08 21:20:45using target database control file instead of recovery catalogallocated channel: ORA_DISK_1channel ORA_DISK_1: SID=65 device type=DISKstarting media recoveryRMAN-00571: ===========================================================RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============RMAN-00571: ===========================================================RMAN-03002: failure of recover command at 03/08/2012 21:20:47RMAN-06053: unable to perform media recovery because of missing logRMAN-06025: no backup of archived log for thread 1 with sequence 2936 and starting SCN of 25991695 found to restoreRMAN-06025: no backup of archived log for thread 1 with sequence 2935 and starting SCN of 25991652 found to restoreRMAN-06025: no backup of archived log for thread 1 with sequence 2934 and starting SCN of 25991649 found to restore……………………RMAN-06025: no backup of archived log for thread 1 with sequence 2902 and starting SCN of 25991156 found to restore这里报日志缺少,实际上是备份的数据库文件后,没有备份归档日志,归档日志全部丢失
进行不完全恢复
SQL> recover database until cancel; ORA-00279: change 25991194 generated at 03/08/2012 20:33:58 needed for thread 1 ORA-00289: suggestion : /opt/oracle/oradata/archivelog/chf/1_2902_752334071.dbf ORA-00280: change 25991194 for thread 1 is in sequence #2902 Specify log: {
=suggested | filename | AUTO | CANCEL} cancel ORA-01547: warning: RECOVER succeeded but OPEN RESETLOGS would get error below ORA-01194: file 1 needs more recovery to be consistent ORA-01110: data file 1: '/opt/oracle/oradata/chf/system01.dbf' ORA-01112: media recovery not started SQL> alter database open resetlogs; alter database open resetlogs * ERROR at line 1: ORA-01194: file 1 needs more recovery to be consistent ORA-01110: data file 1: '/opt/oracle/oradata/chf/system01.dbf'
2.查看相关SCN
SQL> select file#,to_char(checkpoint_change#,'999999999999') from v$datafile; FILE# TO_CHAR(CHECK---------- ------------- 1 25992214 2 25992214 3 25992214 4 25992214 5 25992214 6 25992214 7 25992214 8 25992214 9 25992214 10 25992214 11 25992214 FILE# TO_CHAR(CHECK---------- ------------- 13 25992214 14 2599221413 rows selected.SQL> select file#,online_status,to_char(change#,'999999999999') from v$recover_file; FILE# ONLINE_ TO_CHAR(CHANG---------- ------- ------------- 1 ONLINE 25991194 2 ONLINE 25991194 3 ONLINE 25991194 4 ONLINE 25991194 5 ONLINE 25991194 6 ONLINE 25991194 7 ONLINE 25991194 8 ONLINE 25991194 9 ONLINE 25991194 10 ONLINE 25991194 11 ONLINE 25991194 FILE# ONLINE_ TO_CHAR(CHANG---------- ------- ------------- 13 ONLINE 25991194 14 ONLINE 2599119413 rows selected.SQL> select file#,to_char(checkpoint_change#,'999999999999') from v$datafile_header; FILE# TO_CHAR(CHECK---------- ------------- 1 25991194 2 25991194 3 25991194 4 25991194 5 25991194 6 25991194 7 25991194 8 25991194 9 25991194 10 25991194 11 25991194 FILE# TO_CHAR(CHECK---------- ------------- 13 25991194 14 2599119413 rows selected.--发现数据文件scn和控制文件不一致,重建控制文件,然后查询相关scnSQL> select file#,to_char(checkpoint_change#,'999999999999') from v$datafile; FILE# TO_CHAR(CHECK---------- ------------- 1 25991194 2 25991194 3 25991194 4 25991194 5 25991194 6 25991194 7 25991194 8 25991194 9 25991194 10 25991194 11 25991194 FILE# TO_CHAR(CHECK---------- ------------- 13 25991194 14 2599119413 rows selected.SQL> select file#,online_status,to_char(change#,'999999999999') from v$recover_file; FILE# ONLINE_ TO_CHAR(CHANG---------- ------- ------------- 1 ONLINE 25991194 2 ONLINE 25991194 3 ONLINE 25991194 4 ONLINE 25991194 5 ONLINE 25991194 6 ONLINE 25991194 7 ONLINE 25991194 8 ONLINE 25991194 9 ONLINE 25991194 10 ONLINE 25991194 11 ONLINE 25991194 FILE# ONLINE_ TO_CHAR(CHANG---------- ------- ------------- 13 ONLINE 25991194 14 ONLINE 2599119413 rows selected.SQL> select file#,to_char(checkpoint_change#,'999999999999') from v$datafile_header; FILE# TO_CHAR(CHECK---------- ------------- 1 25991194 2 25991194 3 25991194 4 25991194 5 25991194 6 25991194 7 25991194 8 25991194 9 25991194 10 25991194 11 25991194 FILE# TO_CHAR(CHECK---------- ------------- 13 25991194 14 2599119413 rows selected.--此时所有scn均一致
3.尝试打开数据库
SQL> alter database open resetlogs; alter database open resetlogs * ERROR at line 1: ORA-01194: file 1 needs more recovery to be consistent ORA-01110: data file 1: '/opt/oracle/oradata/chf/system01.dbf' SQL> recover database using backup controlfile until cancel; ORA-00279: change 25991194 generated at 03/08/2012 20:33:58 needed for thread 1 ORA-00289: suggestion : /opt/oracle/oradata/archivelog/chf/1_2902_752334071.dbf ORA-00280: change 25991194 for thread 1 is in sequence #2902 Specify log: {
=suggested | filename | AUTO | CANCEL} cancel ORA-01547: warning: RECOVER succeeded but OPEN RESETLOGS would get error below ORA-01194: file 1 needs more recovery to be consistent ORA-01110: data file 1: '/opt/oracle/oradata/chf/system01.dbf' ORA-01112: media recovery not started SQL> alter database open resetlogs; alter database open resetlogs * ERROR at line 1: ORA-01194: file 1 needs more recovery to be consistent ORA-01110: data file 1: '/opt/oracle/oradata/chf/system01.dbf'
5.使用隐含参数打开数据库
SQL> create pfile='/tmp/pfile' from spfile;File created.-------/tmp/pfile中加上----------_allow_resetlogs_corruption= TRUE---------------------------------SQL> startup mount pfile='/tmp/pfile' forceORACLE instance started.Total System Global Area 622149632 bytesFixed Size 2230912 bytesVariable Size 419431808 bytesDatabase Buffers 192937984 bytesRedo Buffers 7548928 bytesDatabase mounted.SQL> alter database open resetlogs;Database altered.SQL> select open_mode from v$database;OPEN_MODE--------------------READ WRITE
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