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Oracle±¸·ÝÓë»Ö¸´°¸Àý£¨10£©¡¾×ªÌû¡¿

ÉÏһƪ / ÏÂһƪ  2007-11-20 12:17:57

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5.1Ëð»µÁª»úÈÕÖ¾µÄ»Ö¸´·½·¨

5.1.1Ë𻵷ǵ±Ç°Áª»úÈÕÖ¾

´ó¼Ò¶¼Çå³þ£¬Áª»úÈÕÖ¾·ÖΪµ±Ç°Áª»úÈÕÖ¾ºÍ·Çµ±Ç°Áª»úÈÕÖ¾£¬·Çµ±Ç°Áª»úÈÕÖ¾µÄËð»µÊDZȽϼòµ¥µÄ£¬Ò»°ãͨ¹ýclearÃüÁî¾Í¿ÉÒÔ½â¾öÎÊÌâ¡£


1
¡¢Æô¶¯Êý¾Ý¿â£¬Óöµ½ORA-00312 or ORA-00313´íÎó£¬Èç

ORA-00313: open failed for members of log group 1 of thread 1

ORA-00312: online log 1 thread 1: 'D:\Oracle\ORADATA\TEST\REDO01.LOG'

´ÓÕâÀïÎÒÃÇÖªµÀÈÕÖ¾×é1µÄÊý¾ÝÎļþËð»µÁË

´Ó±¨¾¯Îļþ¿ÉÒÔ¿´µ½¸üÏêϸµÄÐÅÏ¢

2¡¢²é¿´V$logÊÓͼ

SQL> select group#,sequence#,archived,status from v$log;

 

   GROUP#  SEQUENCE#  ARCHIVED STATUS

---------- ---------- -------- ----------------

        1         1   YES     INACTIVE

        2         2   YES     INACTIVE

        3         3   NO      CURRENT

¿ÉÒÔÖªµÀ£¬¸Ã×éÊǷǵ±Ç°×´Ì¬£¬¶øÇÒÒѾ­¹éµµ¡£

3¡¢ÓÃCLEARÃüÁîÖؽ¨¸ÃÈÕÖ¾Îļþ

SQL>alter database clear logfile group 1;

Èç¹ûÊǸÃÈÕÖ¾×黹ûÓй鵵£¬ÔòÐèÒªÓÃ

SQL>alter database clear unarchived logfile group 1;

4¡¢´ò¿ªÊý¾Ý¿â£¬ÖØб¸·ÝÊý¾Ý¿â

SQL>alter database open;

 

×¢£º

1¡¢Èç¹ûË𻵵ÄÊǷǵ±Ç°µÄÁª»úÈÕÖ¾Îļþ£¬Ò»°ãÖ»ÐèÒªclear¾Í¿ÉÒÔÖؽ¨¸ÃÈÕÖ¾Îļþ£¬µ«ÊÇÈç¹û¸ÃÊý¾Ý¿â´¦Óڹ鵵״̬µ«¸ÃÈÕÖ¾»¹Ã»Óй鵵£¬¾ÍÐèҪǿÐÐclear£»

2¡¢½¨Òéclear£¬ÌرðÊÇÇ¿ÐÐclearºó×÷Ò»´ÎÊý¾Ý¿âµÄÈ«±¸·Ý£»

3¡¢´Ë·½·¨ÊÊÓÃÓڹ鵵Óë·Ç¹éµµÊý¾Ý¿â¡£

5.1.2Ë𻵵±Ç°Áª»úÈÕÖ¾

¹éµµÄ£Ê½Ïµ±Ç°ÈÕÖ¾µÄËð»µÓÐÁ½ÖÖÇé¿ö£¬

Ò»¡¢ÊÇÊý¾Ý¿âÊÇÕý³£¹Ø±Õ£¬ÈÕÖ¾ÎļþÖÐûÓÐδ¾öµÄÊÂÎñÐèҪʵÀý»Ö¸´£¬µ±Ç°ÈÕÖ¾×éµÄËð »µ¾Í¿ÉÒÔÖ±½ÓÓÃalter database clear unarchived logfile group nÀ´Öؽ¨¡£

¶þ¡¢ÊÇÈÕÖ¾×éÖÐÓлµÄÊÂÎñ£¬Êý¾Ý¿âÐèҪýÌå»Ö¸´£¬ÈÕÖ¾×éÐèÒªÓÃÀ´Í¬²½£¬ÓÐÁ½ÖÖ²¹¾È°ì·¨:

A.×îºÃµÄ°ì·¨¾ÍÊÇͨ¹ý²»ÍêÈ«»Ö¸´£¬¿ÉÒÔ±£Ö¤Êý¾Ý¿âµÄÒ»ÖÂÐÔ£¬µ«ÊÇÕâÖÖ°ì·¨ÒªÇóÔڹ鵵·½Ê½Ï£¬²¢ÇÒÓпÉÓõı¸·Ý

B.ͨ¹ýÇ¿ÖÆÐÔ»Ö¸´£¬µ«ÊÇ¿ÉÄܵ¼ÖÂÊý¾Ý¿â²»Ò»Ö¡£


ÏÂÃæ·Ö±ðÓÃÀ´ËµÃ÷ÕâÁ½ÖÖ»Ö¸´·½·¨£º

5.1.2.1ͨ¹ý±¸·ÝÀ´»Ö¸´

1¡¢´ò¿ªÊý¾Ý¿â£¬»áÓöµ½Ò»¸öÀàËƵĴíÎó

ORA-00313: open failed for members of log group 1 of thread 1

ORA-00312: online log 1 thread 1: 'D:\Oracle\ORADATA\TEST\REDO01.LOG'

ORA-27041: unable to open file

OSD-04002: unable to open file

O/S-Error: (OS 2)ϵͳÕÒ²»µ½Ö¸¶¨µÄÎļþ

 

2¡¢²é¿´V$log£¬·¢ÏÖÊǵ±Ç°ÈÕÖ¾

SQL> select group#,sequence#,archived,status from v$log;

 

   GROUP#  SEQUENCE# ARCHIVED STATUS

--------- ---------- -------- ----------------

        1         1   NO      CURRENT

        2         2   YES     INACTIVE

        3         3   YES     INACTIVE

 

3¡¢·¢ÏÖclear²»³É¹¦

SQL> alter database clear unarchived logfile group 1;

alter database clear unarchived logfile group 1

*

ERROR at line 1:

ORA-01624: log 1 needed for crash recovery of thread 1

ORA-00312: online log 1 thread 1: 'D:\Oracle\ORADATA\TEST\REDO01.LOG'

 

4¡¢¿½±´ÓÐЧµÄÊý¾Ý¿âµÄÈ«±¸·Ý£¬²¢²»ÍêÈ«»Ö¸´Êý¾Ý¿â£º

¿ÉÒÔ²ÉÓûñÈ¡×î½üµÄSCNµÄ°ì·¨ÓÃuntil scn»Ö¸´»òÓÃuntil cnacel»Ö¸´

recover database until cancel

ÏÈÑ¡Ôñauto£¬¾¡Á¿»Ö¸´¿ÉÒÔÀûÓõĹ鵵ÈÕÖ¾£¬È»ºóÖØÐÂ

recover database until cancel

Õâ´ÎÊäÈëcancel£¬Íê³É²»ÍêÈ«»Ö¸´£¬Ò²¾ÍÊÇ˵»Ö¸´Á½´Î¡£

È磺

SQL> recover database until cancel;

Auto

¡­¡­

SQL> recover database until cancel;

Cancel;

5¡¢ÀûÓÃalter database open resetlogs´ò¿ªÊý¾Ý¿â.

 

×¢£º

 1¡¢ÕâÖÖ°ì·¨»Ö¸´µÄÊý¾Ý¿âÊÇÒ»ÖµIJ»ÍêÈ«»Ö¸´£¬»á¶ªÊ§µ±Ç°Áª»úÈÕÖ¾ÖеÄÊÂÎñÊý¾Ý;

 2¡¢ÕâÖÖ·½·¨ÊʺÏÓڹ鵵Êý¾Ý¿â²¢ÇÒÓпÉÓõÄÊý¾Ý¿âÈ«±¸·Ý;

 3¡¢»Ö¸´³É¹¦Ö®ºó£¬¼ÇµÃÔÙ×öÒ»´ÎÊý¾Ý¿âµÄÈ«±¸·Ý;

 4¡¢½¨ÒéÁª»úÈÕÖ¾ÎļþÒ»¶¨ÒªÊµÏÖ¾µÏàÔÚ²»Í¬µÄ´ÅÅÌÉÏ£¬±ÜÃâÕâÖÖÇé¿öµÄ·¢Éú£¬ÒòΪÈκÎÊý¾ÝµÄ¶ªÊ§¶ÔÓÚÉú²úÀ´Ëµ¶¼ÊDz»ÈÝÐíµÄ¡£

5.1.2.2Èç¹ûûÓб¸·Ý£¬½øÐÐÇ¿ÖÆÐÔ»Ö¸´

1¡¢´ò¿ªÊý¾Ý¿â£¬»áÓöµ½Ò»¸öÀàËƵĴíÎó

ORA-00313: open failed for members of log group 1 of thread 1

ORA-00312: online log 1 thread 1: 'D:\Oracle\ORADATA\TEST\REDO01.LOG'

ORA-27041: unable to open file

OSD-04002: unable to open file

O/S-Error: (OS 2)ϵͳÕÒ²»µ½Ö¸¶¨µÄÎļþ

 

2¡¢²é¿´V$log£¬·¢ÏÖÊǵ±Ç°ÈÕÖ¾

SQL> select group#,sequence#,archived,status from v$log;

 

   GROUP# SEQUENCE# ARCHIVED STATUS

---------- ---------- -------- ----------------

        1         1 NO      CURRENT

        2         2 YES     INACTIVE

        3         3 YES     INACTIVE

 

3¡¢·¢ÏÖclear²»³É¹¦

SQL> alter database clear unarchived logfile group 1;

alter database clear unarchived logfile group 1

*

ERROR at line 1:

ORA-01624: log 1 needed for crash recovery of thread 1

ORA-00312: online log 1 thread 1: 'D:\Oracle\ORADATA\TEST\REDO01.LOG'

 

4¡¢°ÑÊý¾Ý¿âdownµô

  SQL>shutdown immediate

 

5¡¢ÔÚinit<sid>.oraÖмÓÈëÈçϲÎÊý

   _allow_resetlogs_corruption=TRUE

 

6¡¢ÖØÐÂÆô¶¯Êý¾Ý¿â,ÀûÓÃuntil cancel»Ö¸´

  SQL>recover database until cancel;

  Cancel

Èç¹û³ö´í£¬²»ÔÙÀí»á£¬·¢³ö

SQL>alter database open resetlogs;

 

7¡¢Êý¾Ý¿â±»´ò¿ªºó£¬ÂíÉÏÖ´ÐÐÒ»¸öfull export

 

8¡¢shutdownÊý¾Ý¿â,È¥µô_all_resetlogs_corrupt²ÎÊý

 

9¡¢Öؽ¨¿â

 

10¡¢import²¢Íê³É»Ö¸´

 

11¡¢½¨ÒéÖ´ÐÐÒ»ÏÂANALYZE TABLE ...VALIDATE STRUCTURE CASCADE;

×¢£º

1¡¢¸Ã»Ö¸´·½·

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