引數檔案丟失無法啟動_ 利用alert日誌修復

1、為了試驗需要，現刪除D:\work_tools\oracle\product\10.2.0\db_1\database下，SPFILEDXM.ORA 和 INITdxm.ORA

2、SQL> startup
ORA-01078: failure in processing system parameters
LRM-00109: could not open parameter file 'D:\WORK_TOOLS\ORACLE\PRODUCT\10.2.0\DB
_1\DATABASE\INITDXM.ORA'
SQL>

3、利用D:\work_tools\oracle\product\10.2.0\admin\dxm\bdump\alert_dxm.log 建立文字引數檔案

    建立D:\work_tools\oracle\product\10.2.0\db_1\database\INITdxm.ORA

    將alert_dxm.log中的如下部分，copy到INITdxm.ORA
    processes                = 400
__shared_pool_size       = 88080384
shared_pool_size         = 37748736
__large_pool_size        = 4194304
__java_pool_size         = 4194304
__streams_pool_size      = 4194304
sga_target               = 285212672
control_files            = D:\WORK_TOOLS\ORACLE\PRODUCT\10.2.0\ORADATA\DXM\CONTROL01.CTL, D:\WORK_TOOLS\ORACLE\PRODUCT\10.2.0\ORADATA\DXM\CONTROL02.CTL, D:\WORK_TOOLS\ORACLE\PRODUCT\10.2.0\ORADATA\DXM\CONTROL03.CTL
db_block_size            = 8192
__db_cache_size          = 176160768
db_cache_size            = 50331648
compatible               = 10.2.0.1.0
db_file_multiblock_read_count= 16
db_recovery_file_dest    = D:\work_tools\oracle\product\10.2.0\flash_recovery_area
db_recovery_file_dest_size= 2147483648
undo_management          = AUTO
undo_tablespace          = UNDOTBS1
remote_login_passwordfile= EXCLUSIVE
db_domain                =
dispatchers              = (PROTOCOL=TCP) (SERVICE=dxmXDB)
job_queue_processes      = 10
audit_file_dest          = D:\WORK_TOOLS\ORACLE\PRODUCT\10.2.0\ADMIN\DXM\ADUMP
background_dump_dest     = D:\WORK_TOOLS\ORACLE\PRODUCT\10.2.0\ADMIN\DXM\BDUMP
user_dump_dest           = D:\WORK_TOOLS\ORACLE\PRODUCT\10.2.0\ADMIN\DXM\UDUMP
core_dump_dest           = D:\WORK_TOOLS\ORACLE\PRODUCT\10.2.0\ADMIN\DXM\CDUMP
db_name                  = dxm
open_cursors             = 300
pga_aggregate_target     = 94371840
-------------------------------------------------------------------------------------------------
4、然後
SQL> startup force
ORA-01078: failure in processing system parameters
LRM-00116: syntax error at 'dispatchers' following '='
SQL>

5、根據錯誤提示，修改INITdxm.ORA
processes                = 400
__shared_pool_size       = 88080384
shared_pool_size         = 37748736
__large_pool_size        = 4194304
__java_pool_size         = 4194304
__streams_pool_size      = 4194304
sga_target               = 285212672
control_files            = D:\WORK_TOOLS\ORACLE\PRODUCT\10.2.0\ORADATA\DXM\CONTROL01.CTL, D:\WORK_TOOLS\ORACLE\PRODUCT\10.2.0\ORADATA\DXM\CONTROL02.CTL, D:\WORK_TOOLS\ORACLE\PRODUCT\10.2.0\ORADATA\DXM\CONTROL03.CTL
db_block_size            = 8192
__db_cache_size          = 176160768
db_cache_size            = 50331648
compatible               = 10.2.0.1.0
db_file_multiblock_read_count= 16
db_recovery_file_dest    = D:\work_tools\oracle\product\10.2.0\flash_recovery_area
db_recovery_file_dest_size= 2147483648
undo_management          = AUTO
undo_tablespace          = UNDOTBS1
remote_login_passwordfile= EXCLUSIVE
db_domain                = ''
dispatchers              = '(PROTOCOL=TCP) (SERVICE=dxmXDB)'
job_queue_processes      = 10
audit_file_dest          = D:\WORK_TOOLS\ORACLE\PRODUCT\10.2.0\ADMIN\DXM\ADUMP
background_dump_dest     = D:\WORK_TOOLS\ORACLE\PRODUCT\10.2.0\ADMIN\DXM\BDUMP
user_dump_dest           = D:\WORK_TOOLS\ORACLE\PRODUCT\10.2.0\ADMIN\DXM\UDUMP
core_dump_dest           = D:\WORK_TOOLS\ORACLE\PRODUCT\10.2.0\ADMIN\DXM\CDUMP
db_name                  = dxm
open_cursors             = 300
pga_aggregate_target     = 94371840

6、根據文字檔案INITdxm.ORA 啟動資料庫
SQL> startup
ORACLE instance started.

Total System Global Area 285212672 bytes
Fixed Size                  1248552 bytes
Variable Size             100664024 bytes
Database Buffers          176160768 bytes
Redo Buffers                7139328 bytes
Database mounted.
Database opened.
SQL> show parameter pfile;

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
spfile string
SQL> show parameter spfile;

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
spfile string
SQL>

7、根據文字檔案建立二進位制檔案
SQL> create pfile from spfile;
create pfile from spfile
*
ERROR at line 1:
ORA-27041: unable to open file
OSD-04002: unable to open file
O/S-Error: (OS 2) 系統找不到指定的檔案。

SQL> create spfile from pfile;

File created.

SQL> show parameter spfile;

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
spfile string
SQL> show parameter pfile;

NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
spfile string
SQL> startup force
ORACLE instance started.

Total System Global Area 285212672 bytes
Fixed Size                  1248552 bytes
Variable Size             100664024 bytes
Database Buffers          176160768 bytes
Redo Buffers                7139328 bytes
Database mounted.
Database opened.
SQL> show parameter pfile;

NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
spfile                               string      D:\WORK_TOOLS\ORACLE\PRODUCT\1
                                                 0.2.0\DB_1\DATABASE\SPFILEDXM.
                                                 ORA
SQL>

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引數檔案丟失無法啟動_ 利用alert日誌修復

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