⑴Oracle Database g Enterprise Edition Release .... - Production
⑵With the Partitioning, OLAP, Data Mining and Real Application Testing options
⑶SQL》 alter database datafile offline;
⑷Database altered.
⑸SQL》 recover datafile ;
⑹Media recovery plete.
⑺SQL》 alter database datafile online;
⑻Database altered.
⑼SQL》 shutdown immediate;
⑽Database closed.
⑾Database dismounted.
⑿ORACLE instance shut down.
⒀SQL》 startup
⒁ORACLE instance started.
⒂Total System Global Area bytes
⒃Fixed Size bytes
⒄Variable Size bytes
⒅Database Buffers bytes
⒆Redo Buffers bytes
⒇Database mounted.
⒈Database opened.
⒉注:如果数据库重启之后,还能恢复吗,测试一下:
⒊[oracleprimary dbwdn]$ rm users.dbf[oracleprimary dbwdn]$ ps -ef |grep dbw
⒋oracle : ? :: ora_dbw_dbwdn
⒌oracle : pts/ :: grep dbw
⒍[oracleprimary dbwdn]$ ll /proc//fd
⒎lr-x------ oracle oinstall Nov : -》 /dev/null
⒏lr-x------ oracle oinstall Nov : -》 /dev/null
⒐lr-x------ oracle oinstall Nov : -》 /dev/zero
⒑lr-x------ oracle oinstall Nov : -》 /dev/zero
⒒lr-x------ oracle oinstall Nov : -》 /u/app/oracle/product/../db_/rdbms/mesg/oraus.msb
⒓lrwx------ oracle oinstall Nov : -》 /u/app/oracle/product/../db_/dbs/hc_dbwdn.dat
⒔lrwx------ oracle oinstall Nov : -》 /u/app/oracle/product/../db_/dbs/lkDBWDN
⒕lrwx------ oracle oinstall Nov : -》 /u/app/oracle/oradata/dbwdn/control.ctl
⒖lrwx------ oracle oinstall Nov : -》 /u/app/oracle/oradata/dbwdn/control.ctl
⒗lrwx------ oracle oinstall Nov : -》 /u/app/oracle/oradata/dbwdn/control.ctl
⒘lrwx------ oracle oinstall Nov : -》 /u/app/oracle/oradata/dbwdn/system.dbf
⒙lrwx------ oracle oinstall Nov : -》 /u/app/oracle/oradata/dbwdn/undotbs.dbf
⒚lr-x------ oracle oinstall Nov : -》 /dev/null
⒛lrwx------ oracle oinstall Nov : -》 /u/app/oracle/oradata/dbwdn/sysaux.dbf
①lrwx------ oracle oinstall Nov : -》 /u/app/oracle/oradata/dbwdn/users.dbf (deletedlrwx------ oracle oinstall Nov : -》 /u/app/oracle/oradata/dbwdn/test.dbf
②lrwx------ oracle oinstall Nov : -》 /u/app/oracle/oradata/dbwdn/ggs.dbf
③lrwx------ oracle oinstall Nov : -》 /u/app/oracle/oradata/dbwdn/perfstat.dbf
④lrwx------ oracle oinstall Nov : -》 /u/app/oracle/oradata/dbwdn/shkz_data_.dbf
⑤数据库没有重启,这个数据文件还能恢复,如果我重启数据库之后,还能看见这个数据文件吗?
⑥[oracleprimary dbwdn]$ sqlplus “/as sysdba”
⑦SQL*Plus: Release .... - Production on Tue Nov ::
⑧Copyright (c , , Oracle. All Rights Reserved.
⑨Connected to:
⑩Oracle Database g Enterprise Edition Release .... - Production
ⅠWith the Partitioning, OLAP, Data Mining and Real Application Testing options
ⅡSQL》 shutdown immediate;
ⅢORA-: error in opening database file
ⅣORA-: data file : ‘/u/app/oracle/oradata/dbwdn/users.dbf’
ⅤORA-: unable to open file
ⅥLinux Error: : No such file or directory
ⅦAdditional information:
ⅧSQL》 shutdown abort;ORACLE instance shut down.
ⅨSQL》 exit
ⅩDisconnected from Oracle Database g Enterprise Edition Release .... - Production
㈠With the Partitioning, OLAP, Data Mining and Real Application Testing options
㈡[oracleprimary dbwdn]$ sqlplus “/as sysdba”
㈢SQL*Plus: Release .... - Production on Tue Nov ::
㈣Copyright (c , , Oracle. All Rights Reserved.
㈤Connected to an idle instance.
㈥SQL》 startup
㈦ORACLE instance started.
㈧Total System Global Area bytes
㈨Fixed Size bytes
㈩Variable Size bytes
Database Buffers bytes
Redo Buffers bytes
Database mounted.
ORA-: cannot identify/lock data file - see DBWR trace file
ORA-: data file : ‘/u/app/oracle/oradata/dbwdn/users.dbf’
SQL》 exit