ORA-01157问题怎么解决?
环境:redhat 9 + oracle 817 问题:昨天突然掉电之后数据库启动之后就提示这个错误。数据是非归档模式,而且这个数据文件还有用。怎么恢复。
[oracle@ccdevsvr root]$ svrmgrl
Oracle Server Manager Release 3.1.7.0.0 - Production
Copyright (c) 1997, 1999, Oracle Corporation. All Rights Reserved.
Oracle8i Enterprise Edition Release 8.1.7.4.0 - Production With the Partitioning option JServer Release 8.1.7.4.0 - Production
SVRMGR> connect system/manager as sysdba Connected. SVRMGR> show Instance local Spool OFF Timing OFF Termout ON Echo OFF Stoponerror OFF Autorecovery OFF Logsource <default> Maxdata 20480 Numwidth 10 Charwidth 80 Longwidth 80 Datewidth 9 Labwidth 32 Compatibility NATIVE Retries infinite Server Output OFF Autoprint OFF Fetchrows infinite Appinfo OFF (USERTEXT : Oracle Server Manager) SVRMGR> startup ORA-01081: cannot start already-running ORACLE - shut it down first SVRMGR> shutdown immediate ORA-01109: database not open Database dismounted. ORACLE instance shut down. SVRMGR> startup ORACLE instance started. Total System Global Area 73109664 bytes Fixed Size 73888 bytes Variable Size 56086528 bytes Database Buffers 16777216 bytes Redo Buffers 172032 bytes Database mounted. ORA-01157: cannot identify/lock data file 10 - see DBWR trace file ORA-01110: data file 10: '/home/oracle/dwbx_wmstat.dbf' SVRMGR>
[oracle@ccdevsvr oracle]$ pwd /home/oracle [oracle@ccdevsvr oracle]$ ll *.dbf -rwxrwxrwx 1 oracle dba 209723392 Nov 29 11:47 iwbx_wmindx.dbf -rwxrwxrwx 1 oracle dba 104865792 Dec 1 09:35 test.dbf [oracle@ccdevsvr oracle]$
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数据库是否归档模式? 在mount状态:
归档的话: SQL>alter database datafile 'I:\ORADATA\EXAMORA\TEST01.DBF' offline; 非归档的话: SQL>alter database datafile 'I:\ORADATA\EXAMORA\TEST01.DBF' offline drop;
然后在 SQL>alter database open;
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[oracle@ccdevsvr root]$ cd /home/oracle [oracle@ccdevsvr oracle]$ ll *.dbf -rwxrwxrwx 1 oracle dba 209723392 Nov 29 11:47 iwbx_wmindx.dbf -rwxrwxrwx 1 oracle dba 104865792 Dec 1 09:35 test.dbf [oracle@ccdevsvr oracle]$ exit exit SVRMGR> select sysdate from dual; SYSDATE --------- 01-DEC-04 1 row selected.
SVRMGR> alter database open 2> ; alter database open * ORA-01157: cannot identify/lock data file 10 - see DBWR trace file ORA-01110: data file 10: '/home/oracle/dwbx_wmstat.dbf' SVRMGR> alter database datafile '/home/oracle/dwbx_wmstat.dbf' offline drop; Statement processed. SVRMGR> alter database open; Statement processed. SVRMGR> 
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