本篇内容介绍了“怎么将spfile从ASM里迁移到文件系统”的有关知识，在实际案例的操作过程中，不少人都会遇到这样的困境，接下来就让小编带领大家学习一下如何处理这些情况吧！希望大家仔细阅读，能够学有所成！

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[oracle@node1 /]$ su - oracle
[oracle@node1 /]$ sqlplus / as sysdba

SQL*Plus: Release 10.2.0.1.0 - Production on Fri Sep 16 14:28:57 2011
Copyright (c) 1982, 2005, Oracle.  All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options

SQL> show parameter spfile;                                  //查看当前参数文件存放路径

NAME         TYPE  VALUE
------------------------------------ ----------- ------------------------------
spfile         string  +DATA/oradb/parameterfile/spfi
       le.268.762004477
SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options

[oracle@node1 /]$ cd /u01/oracle/product/10g/dbs             //进入系统参数文件存放路径
[oracle@node1 /]$ cat initoradb.ora                          //查看参数文件内容
spfile=+DATA/oradb/parameterfile/spfile.268.762004477
[oracle@node1 /]$ rm -rf initoradb.ora                       //将参数文件删除

[oracle@node1 /]$ export ORACLE_SID=+ASM                     //设置ASM实例环境变量
[oracle@node1 /]$ asmcmd
ASMCMD> cd data/oradb/parameterfile                          //进入ASM 参数文件存放路径
ASMCMD> ls -lt                                               //查看参数文件名
Type           Redund  Striped  Time             Sys  Name
PARAMETERFILE  MIRROR  COARSE   SEP 16 13:00:00  Y    spfile.268.762004477
ASMCMD> exit

[oracle@node1 /]$ export ORACLE_SID=oradb               //设置环境变量
[oracle@node1 ~]$ sqlplus / as sysdba                     //进入数据库

SQL*Plus: Release 10.2.0.1.0 - Production on Fri Sep 16 14:34:00 2011

Copyright (c) 1982, 2005, Oracle.  All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options

SQL> create pfile='/u01/oracle/product/10g/dbs/initoradb.ora' from spfile;    //创建pfile参数文件，并指定参数文件路径与文件名

File created.

SQL> !ls -lrt /u01/oracle/product/10g/dbs/initoradb.ora                  //查看创建结果
-rw-r--r-- 1 oracle oinstall 989 Sep 16 14:34 /u01/oracle/product/10g/dbs/initoradb.ora
SQL> shutdown immediate                                         //关闭数据库
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> exit

[oracle@node1 /]$ export ORACLE_SID=+ASM                        //设置ASM实例环境变量
[oracle@node1 /]$ asmcmd
ASMCMD> cd data/oradb/parameterfile                                     //进入参数文件
ASMCMD> ls -lt
Type           Redund  Striped  Time             Sys  Name
PARAMETERFILE  MIRROR  COARSE   SEP 16 13:00:00  Y    spfile.268.762004477
ASMCMD> rm spfile.268.762004477                                    //删除ASM实例上的参数文件
ASMCMD> exit

[oracle@node1 /]$ export ORACLE_SID=oradb
[oracle@node1 ~]$ sqlplus / as sysdba

SQL*Plus: Release 10.2.0.1.0 - Production on Fri Sep 16 14:34:00 2011

Copyright (c) 1982, 2005, Oracle.  All rights reserved.

SQL> 
SQL> create spfile='/u01/oracle/product/10g/dbs/spfileoradb.ora' from pfile='/u01/oracle/product/10g/dbs/initoradb.ora';  //创建SPFILE参数文件
File created.
SQL> startup                                                           //开启数据库
ORACLE instance started.

Total System Global Area  230686720 bytes
Fixed Size      1218676 bytes
Variable Size     71305100 bytes
Database Buffers   155189248 bytes
Redo Buffers      2973696 bytes
Database mounted.
Database opened.

SQL> show parameter spfile;                                           //查看迁移后的参数文件

NAME         TYPE  VALUE
------------------------------------ ----------- ------------------------------
spfile         string  /u01/oracle/product/10g/dbs/sp
       fileoradb.ora
SQL> exit
[oracle@node1 dbs]$ cd /u01/oracle/product/10g/dbs
[oracle@node1 dbs]$ cat spfileoradb.ora                           //查看迁移后参数文件内容
?2kk-oradb.__db_cache_size=155189248
oradb.__java_pool_size=4194304
oradb.__large_pool_size=4194304
oradb.__shared_pool_size=62914560
oradb.__streams_pool_size=0
*.audit_file_dest='/u01/oracle/product/admin/oradb/adump'
*.background_dump_dest='/u01/oracle/product/admin/oradb/bdump'
*.compatible='10.2.0.1.0'
*.control_files='+DATA/oradb/controlfile/backup.259.762002877'#Restore Controlfile
*.core_dump_dest='/u01/oracle/product/admin/oradb/cdump'
*.db_block_size=8192
*.db_create_file_dest='+DATA'
*.db_create_online_log_dest_1='+DATA'
*.db_domain=''
*.db_file_multiblock_read_count=16
*.db_name='oradb'
*.db_recovery_file_dest_size=2147483648
*.db_recovery_file_dest='+DATA'
*.dispatchers='(PROTOCOL=TCP) (SERVICE=oradbXDB)'
*.job_queue_processes=10
*.open_cursors=300
*.pga_aggregate_target=75497472
*.processes=150
*.remote_login_passwordfile='EXCLUSIVE'
*.sga_target=228589568
*.undo_management='AUTO'
*.undo_tablespace='UNDOTBS1'
*.user_dump_dest='/u01/oracle/product/admin/oradb/udump'

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