測試服務器做了RMAN還原后，發現告警日志文件有如下錯誤信息ORA-01110: data file 206: '/u04/epps/oradata/temp02.dbf'
Errors in file /u01/app/oracle/admin/epps/bdump/epps_j000_12672.trc:
ORA-01157: cannot identify/lock data file 206 - see DBWR trace file
ORA-01110: data file 206: '/u04/epps/oradata/temp02.dbf'
Thu Apr 16 22:00:08 2015
Errors in file /u01/app/oracle/admin/epps/bdump/epps_j000_12672.trc:
ORA-01157: cannot identify/lock data file 206 - see DBWR trace file
ORA-01110: data file 206: '/u04/epps/oradata/temp02.dbf'
Thu Apr 16 22:00:37 2015
Errors in file /u01/app/oracle/admin/epps/bdump/epps_j000_12672.trc:
ORA-01157: cannot identify/lock data file 206 - see DBWR trace file
ORA-01110: data file 206: '/u04/epps/oradata/temp02.dbf'
Thu Apr 16 22:00:43 2015
Errors in file /u01/app/oracle/admin/epps/bdump/epps_j000_12672.trc:
ORA-01157: cannot identify/lock data file 206 - see DBWR trace file
/u01/app/oracle/admin/epps/bdump/epps_j000_12672.trc
最后檢查時，發現TEMP表空間的數據文件有問題。最后刪除、重建了TEMP表空間的tempfile后，問題解決。