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currentonlineredologfile丢失的处理方法(二)
2015-07-24 11:16:09 来源: 作者: 【 】 浏览:10
Tags:currentonlineredologfile 丢失 处理 方法
mplete, elapsed time: 00:01:46
Finished restore at 26-AUG-14

RMAN> exit

Recovery Manager complete.

由于rman并不备份在线日志文件,刚才的rman只是做了个全库备份和控制文件的备份,可以看到redo01.log,redo02.log,redo03.log这3个文件并不存在

[oracle@ora10g ~]$ sqlplus / as sysdba

SQL*Plus: Release 10.2.0.1.0 - Production on Tue Aug 26 14:52:35 2014

Copyright (c) 1982, 2005, Oracle. All rights reserved.

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options

SQL> select open_mode from v$database;

OPEN_MODE
----------
MOUNTED

SQL> col member for a60
SQL> select group#,member from v$logfile;


GROUP# MEMBER
---------- ------------------------------------------------------------
3 /u01/app/oracle/oradata/ora10g/redo03.log
2 /u01/app/oracle/oradata/ora10g/redo02.log
1 /u01/app/oracle/oradata/ora10g/redo01.log

SQL> alter database open resetlogs;
alter database open resetlogs
*
ERROR at line 1:
ORA-01152: file 1 was not restored from a sufficiently old backup
ORA-01110: data file 1: '/u01/app/oracle/oradata/ora10g/system01.dbf'

由于只是restore了数据库,还未recover,数据库是无法打开的

SQL> recover database
ORA-00283: recovery session canceled due to errors
ORA-01610: recovery using the BACKUP CONTROLFILE option must be done

SQL> recover database until cancel;
ORA-00283: recovery session canceled due to errors
ORA-01610: recovery using the BACKUP CONTROLFILE option must be done

SQL> recover database using backup controlfile;
ORA-00279: change 502729 generated at 08/26/2014 15:36:54 needed for thread 1
ORA-00289: suggestion :
/u01/app/oracle/flash_recovery_area/ORA10G/archivelog/2014_08_26/o1_mf_1_3_%u_.arc
ORA-00280: change 502729 for thread 1 is in sequence #3

Specify log: {=suggested | filename | AUTO | CANCEL}
auto
ORA-00308: cannot open archived log
'/u01/app/oracle/flash_recovery_area/ORA10G/archivelog/2014_08_26/o1_mf_1_3_%u_.arc'
ORA-27037: unable to obtain file status
Linux Error: 2: No such file or directory
Additional information: 3

ORA-00308: cannot open archived log
'/u01/app/oracle/flash_recovery_area/ORA10G/archivelog/2014_08_26/o1_mf_1_3_%u_.arc'
ORA-27037: unable to obtain file status
Linux Error: 2: No such file or directory
Additional information: 3

SQL> recover database using backup controlfile until cancel;
ORA-00279: change 502729 generated at 08/26/2014 15:36:54 needed for thread 1
ORA-00289: suggestion :
/u01/app/oracle/flash_recovery_area/ORA10G/archivelog/2014_08_26/o1_mf_1_3_%u_.arc
ORA-00280: change 502729 for thread 1 is in sequence #3

Specify log: {=suggested | filename | AUTO | CANCEL}
cancel
Media recovery cancelled.
SQL>

由于之前的归档没有用rman备份,而现在也不存在了,无法recover数据库,就算用resetlogs也无法open数据库。此时,只有通过隐含参数_allow_resetlogs_corruption来open数据库了

SQL> show parameter spfile

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
spfile string /u01/app/oracle/product/10.2.0
/db_1/dbs/spfileora10g.ora

--创建pfile
SQL> create pfile from spfile;

File created.

--编辑$ORACLE_HOME/dbs/initora10g.ora初始化参数文件,在文件末尾添加*._allow_resetlogs_corruption = true
[oracle@ora10g ora10g]$ vi $ORACLE_HOME/dbs/initora10g.ora


ora10g.__db_cache_size=180355072
ora10g.__java_pool_size=4194304
ora10g.__large_pool_size=4194304
ora10g.__shared_pool_size=9
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上一篇丢失所有控制文件,noresetlogs重.. 下一篇为什么riak集群最好至少要五个节..

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