ORA-00376: 此時無法讀取檔案問題…
Alertlog中的錯誤資訊：
Created Oracle managed file
D:\ORACLE\PRODUCT\10.1.0\FLASH_RECOVERY_AREA\MYORACLE\ARCHIVELOG\2010_07_17\O1_MF_1_7329_641T9YS2_.ARC
Sat Jul 17 08:29:35 2010
KCF: write/open error block=0x148de
online=1
file=3 D:\ORACLE\PRODUCT\10.1.0\ORADATA\MYORACLE\SYSAUX01.DBF
error=27072 txt: 'OSD-04008: WriteFile() 失敗, 無法寫入檔案
O/S-Error: (OS 1453) 配額不足，無法完成請求的服務。'
Automatic datafile offline due to write error on
file 3: D:\ORACLE\PRODUCT\10.1.0\ORADATA\MYORACLE\SYSAUX01.DBF
Sat Jul 17 08:29:37 2010
Errors in file d:\oracle\product\10.1.0\admin\myoracle\udump\myoracle_ora_5436.trc:
ORA-00202: 控制檔案: 'D:\DISK3\CONTROL01.CTL'
ORA-27091: 無法將 I/O 排隊
ORA-27070: 非同步讀取/寫入失敗
OSD-04006: ReadFile() 失敗, 無法讀取檔案
O/S-Error: (OS 1453) 配額不足，無法完成請求的服務。
KCF: write/open error block=0x112 online=1
file=7
D:\ORACLE\PRODUCT\10.1.0\ORADATA\MYORACLE\JERRY_UNDO.DBF
error=27072 txt: 'OSD-04008: WriteFile() 失敗, 無法寫入檔案
O/S-Error: (OS 1453) 配額不足，無法完成請求的服務。'
Automatic datafile offline due to write error on
file 7:
D:\ORACLE\PRODUCT\10.1.0\ORADATA\MYORACLE\JERRY_UNDO.DBF
Sat Jul 17 08:31:47 2010
ORA-376 encountered when generating server alert SMG-3503
Sat Jul 17 08:31:48 2010
Errors in file
d:\oracle\product\10.1.0\admin\myoracle\udump\myoracle_ora_7120.trc:
ORA-00376: file 3 cannot be read at this time
ORA-01110: data file 3:
'D:\ORACLE\PRODUCT\10.1.0\ORADATA\MYORACLE\SYSAUX01.DBF'
ORA-06512: at "SYSMAN.MGMT_JOB_ENGINE", line 7097
ORA-06512: at line 1
Sat Jul 17 08:31:48 2010
Errors in file
d:\oracle\product\10.1.0\admin\myoracle\udump\myoracle_ora_8132.trc:
ORA-00376: file 3 cannot be read at this time
ORA-01110: data file 3:
'D:\ORACLE\PRODUCT\10.1.0\ORADATA\MYORACLE\SYSAUX01.DBF'
ORA-06512: at "SYS.DBMS_AQ", line 577
ORA-06512: at "SYSMAN.EMD_NOTIFICATION", line 492
ORA-06512: at line 1
Sat Jul 17 08:31:49 2010
KCF: write/open error block=0x116e online=1
file=1 D:\ORACLE\PRODUCT\10.1.0\ORADATA\MYORACLE\SYSTEM01.DBF
error=27072 txt: 'OSD-04008: WriteFile() 失敗, 無法寫入檔案
O/S-Error: (OS 1453) 配額不足，無法完成請求的服務。'
Sat Jul 17 08:31:49 2010
Errors in file
d:\oracle\product\10.1.0\admin\myoracle\bdump\myoracle_smon_1656.trc:
ORA-00376: file 7 cannot be read at this time
ORA-01110: data file 7:
'D:\ORACLE\PRODUCT\10.1.0\ORADATA\MYORACLE\JERRY_UNDO.DBF'
Sat Jul 17 08:31:50 2010
Errors in file
d:\oracle\product\10.1.0\admin\myoracle\bdump\myoracle_dbw0_1596.trc:
ORA-01243: system tablespace file suffered media failure
ORA-01114: IO error writing block to file 1 (block # 4462)
ORA-01110: data file 1:
'D:\ORACLE\PRODUCT\10.1.0\ORADATA\MYORACLE\SYSTEM01.DBF'
ORA-27072: File I/O error
OSD-04008: WriteFile() 失敗, 無法寫入檔案
O/S-Error: (OS 1453) 配額不足，無法完成請求的服務。
DBW0: terminating instance due to error 1243
Sat Jul 17 08:31:51 2010
Errors in file
d:\oracle\product\10.1.0\admin\myoracle\bdump\myoracle_smon_1656.trc:
ORA-00376: file 7 cannot be read at this time
ORA-01110: data file 7:
'D:\ORACLE\PRODUCT\10.1.0\ORADATA\MYORACLE\JERRY_UNDO.DBF'
Sat Jul 17 08:31:51 2010
Errors in file
d:\oracle\product\10.1.0\admin\myoracle\bdump\myoracle_pmon_1472.trc:
ORA-01243: system tablespace file suffered media failure
Sat Jul 17 08:31:53 2010
Errors in file
d:\oracle\product\10.1.0\admin\myoracle\bdump\myoracle_lgwr_1600.trc:
ORA-01243: system tablespace file suffered media failure
Sat Jul 17 08:31:53 2010
Errors in file
d:\oracle\product\10.1.0\admin\myoracle\bdump\myoracle_ckpt_1576.trc:
ORA-01243: system tablespace file suffered media failure
Sat Jul 17 08:31:54 2010
Errors in file
d:\oracle\product\10.1.0\admin\myoracle\bdump\myoracle_mman_1592.trc:
ORA-01243: system tablespace file suffered media failure
Sat Jul 17 08:32:14 2010
Errors in file
d:\oracle\product\10.1.0\admin\myoracle\bdump\myoracle_q000_2332.trc:
ORA-01243: system tablespace file suffered media failure
Sat Jul 17 08:32:15 2010
Errors in file
d:\oracle\product\10.1.0\admin\myoracle\bdump\myoracle_reco_1660.trc:
ORA-01243: system tablespace file suffered media failure
Sat Jul 17 08:32:17 2010
Instance terminated by DBW0, pid = 1596
Dump file
d:\oracle\product\10.1.0\admin\myoracle\bdump\alert_myoracle.log
ALERTLOG中，
ublished database character set on system events channel
Wed Jul 21 16:04:04 2010
All processes have switched to database character set
Wed Jul 21 16:04:04 2010
Errors in file
d:\oracle\product\10.1.0\admin\myoracle\udump\myoracle_ora_5780.trc:
ORA-00604: 遞迴 SQL 級別 1 出現錯誤
ORA-00376: 此時無法讀取檔案 7
ORA-01110: 資料檔案 7:
'D:\ORACLE\PRODUCT\10.1.0\ORADATA\MYORACLE\JERRY_UNDO.DBF'
Error 604 happened during db open, shutting down database
USER: terminating instance due to error 604
Wed Jul 21 16:04:05 2010
Errors in file
d:\oracle\product\10.1.0\admin\myoracle\bdump\myoracle_dbw0_3056.trc:
ORA-00604: error occurred at recursive SQL level
Wed Jul 21 16:04:05 2010
Errors in file
d:\oracle\product\10.1.0\admin\myoracle\bdump\myoracle_pmon_1660.trc:
ORA-00604: error occurred at recursive SQL level
Wed Jul 21 16:04:05 2010
Errors in file
d:\oracle\product\10.1.0\admin\myoracle\bdump\myoracle_mman_4788.trc:
ORA-00604: error occurred at recursive SQL level
Wed Jul 21 16:04:05 2010
Errors in file
d:\oracle\product\10.1.0\admin\myoracle\bdump\myoracle_ckpt_5344.trc:
ORA-00604: error occurred at recursive SQL level
Wed Jul 21 16:04:06 2010
Errors in file
d:\oracle\product\10.1.0\admin\myoracle\bdump\myoracle_reco_3448.trc:
ORA-00604: error occurred at recursive SQL level
Wed Jul 21 16:04:06 2010
Errors in file
d:\oracle\product\10.1.0\admin\myoracle\bdump\myoracle_lgwr_4160.trc:
ORA-00604: error occurred at recursive SQL level
Instance terminated by USER, pid = 5780
ORA-1092 signalled during: alter database open...
原因可能是斷電引起的，導致2個檔案（資料檔案3和資料檔案7需要恢復），恢復後還是無法開啟資料庫，因為資料檔案處於離線狀態，導致無法開啟。
關於該錯誤的一個解釋：
Possible causes and solutions summary:=====================================
A. Tablespace or Datafile offline.
B. Datafile does not exist at the OS level.
C. Datafile locked by Backup Software.
D. Incorrectly set ULIMIT on UNIX.
E. Rollback Segment with active transactions is unavailable
F. Possible Other Causes.
SQL> /
STATUS
FILE#
------- ----------
SYSTEM
1
ONLINE
2
OFFLINE
3
ONLINE
4
ONLINE
5
ONLINE
6
ONLINE
7
ONLINE
8
ONLINE
9
ONLINE
10
ONLINE
11
STATUS
FILE#
------- ----------
ONLINE
12
ONLINE
13
ONLINE
14
ONLINE
15
已選擇15行。
SQL> alter database datafile 3 online;
資料庫已更改。
SQL> alter database open;
資料庫已更改。
SQL>