将文件系统数据库迁移到ASM中

使用裸设备配置ASM实例

http://www.cnblogs.com/myrunning/p/4270849.html

1.查看我们创建的磁盘组

[oracle@std ~]$ export ORACLE_SID=+ASM

[oracle@std ~]$ sqlplus '/as sysdba'

SQL*Plus: Release 10.2.0.4. - Production on Mon Feb  :: 

Copyright (c) , , Oracle.  All Rights Reserved.

Connected to:

Oracle Database 10g Enterprise Edition Release 10.2.0.4. - Production

With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> select name,total_mb,free_mb from v$asm_diskgroup;

NAME                             TOTAL_MB    FREE_MB

------------------------------ ---------- ----------

DATA

FLA

2.启动数据库实例查看数据文件等

SQL> select * from v$dbfile;   

     FILE# NAME

---------- --------------------------------------------------

          /u02/app/oradata/ZDJS/users01.dbf

          /u02/app/oradata/ZDJS/sysaux01.dbf

          /u02/app/oradata/ZDJS/undotbs01.dbf

          /u02/app/oradata/ZDJS/system01.dbf

          /u02/app/oradata/ZDJS/example01.dbf

          /u02/app/oradata/ZDJS/rlsc01.dbf

 rows selected.

SQL> select file#,name from v$tempfile;

     FILE# NAME

---------- --------------------------------------------------

          /u02/app/oradata/ZDJS/temp01.dbf

SQL> show parameter control_

NAME                                 TYPE        VALUE

------------------------------------ ----------- ------------------------------

control_file_record_keep_time        integer

control_files                        string      /u02/app/oradata/ZDJS/control0

                                                 .ctl, /u02/app/oradata/ZDJS/c

                                                 ontrol02.ctl, /u02/app/oradata

                                                 /ZDJS/control03.ctl

SQL> show parameter spfile

NAME                                 TYPE        VALUE

------------------------------------ ----------- ------------------------------

spfile                               string      /u02/app/product/10.2./db_1/d

                                                 bs/spfileZDJS.ora

SQL> select group#,member from v$logfile;

    GROUP# MEMBER

---------- --------------------------------------------------

          /u02/app/oradata/ZDJS/redo03.log

          /u02/app/oradata/ZDJS/redo02.log

          /u02/app/oradata/ZDJS/redo01.log

3.对RDBMS做一个备份

[oracle@std ~]$ rman target /

Recovery Manager: Release 10.2.0.4. - Production on Mon Feb  :: 

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

connected to target database: ZDJS (DBID=)

RMAN> backup as copy database format '+DATA';

Starting backup at -FEB-

using target database control file instead of recovery catalog

allocated channel: ORA_DISK_1

channel ORA_DISK_1: sid= devtype=DISK

channel ORA_DISK_1: starting datafile copy

input datafile fno= name=/u02/app/oradata/ZDJS/system01.dbf

output filename=+DATA/zdjs/datafile/system.256.870616471 tag=TAG20150202T135428 recid= stamp=

channel ORA_DISK_1: datafile copy complete, elapsed time: ::

channel ORA_DISK_1: starting datafile copy

input datafile fno= name=/u02/app/oradata/ZDJS/undotbs01.dbf

output filename=+DATA/zdjs/datafile/undotbs1.257.870616525 tag=TAG20150202T135428 recid= stamp=

channel ORA_DISK_1: datafile copy complete, elapsed time: ::

channel ORA_DISK_1: starting datafile copy

input datafile fno= name=/u02/app/oradata/ZDJS/sysaux01.dbf

output filename=+DATA/zdjs/datafile/sysaux.258.870616569 tag=TAG20150202T135428 recid= stamp=

channel ORA_DISK_1: datafile copy complete, elapsed time: ::

channel ORA_DISK_1: starting datafile copy

input datafile fno= name=/u02/app/oradata/ZDJS/example01.dbf

output filename=+DATA/zdjs/datafile/example.259.870616605 tag=TAG20150202T135428 recid= stamp=

channel ORA_DISK_1: datafile copy complete, elapsed time: ::

channel ORA_DISK_1: starting datafile copy

input datafile fno= name=/u02/app/oradata/ZDJS/rlsc01.dbf

output filename=+DATA/zdjs/datafile/rlsc.260.870616621 tag=TAG20150202T135428 recid= stamp=

channel ORA_DISK_1: datafile copy complete, elapsed time: ::

channel ORA_DISK_1: starting datafile copy

input datafile fno= name=/u02/app/oradata/ZDJS/users01.dbf

output filename=+DATA/zdjs/datafile/users.261.870616635 tag=TAG20150202T135428 recid= stamp=

channel ORA_DISK_1: datafile copy complete, elapsed time: ::

channel ORA_DISK_1: starting datafile copy

copying current control file

output filename=+DATA/zdjs/controlfile/backup.262.870616639 tag=TAG20150202T135428 recid= stamp=

channel ORA_DISK_1: datafile copy complete, elapsed time: ::

channel ORA_DISK_1: starting full datafile backupset

channel ORA_DISK_1: specifying datafile(s) in backupset

including current SPFILE in backupset

channel ORA_DISK_1: starting piece  at -FEB-

channel ORA_DISK_1: finished piece  at -FEB-

piece handle=+DATA/zdjs/backupset/2015_02_02/nnsnf0_tag20150202t135428_0.263.870616647 tag=TAG20150202T135428 comment=NONE

channel ORA_DISK_1: backup set complete, elapsed time: ::

Finished backup at -FEB-

4.修改RDBMS参数

SQL> alter system set db_recovery_file_dest_size=3g scope=both;

System altered.

SQL> alter system set db_recovery_file_dest='+FLA' scope=both;

System altered.

SQL> alter system set db_create_file_dest='+DATA' scope=both;  

System altered.

SQL> alter system set db_create_online_log_dest_1='+DATA' scope=spfile;

System altered.

5.迁移联机日志到ASM磁盘

SQL> select a.group#,a.status,b.member from v$log a,v$logfile b

    where a.group#=b.group#;

    GROUP# STATUS           MEMBER

---------- ---------------- --------------------------------------------------

          INACTIVE         /u02/app/oradata/ZDJS/redo03.log

          INACTIVE         /u02/app/oradata/ZDJS/redo02.log

          CURRENT          /u02/app/oradata/ZDJS/redo01.log

SQL> alter database add logfile member '+DATA','+FLA' to group ;

Database altered.

SQL> alter database add logfile member '+DATA','+FLA' to group ;

Database altered.

SQL> alter database add logfile member '+DATA','+FLA' to group ;

Database altered.

SQL> select a.group#,a.status,b.member from v$log a,v$logfile b

    where a.group#=b.group#;

    GROUP# STATUS           MEMBER

---------- ---------------- --------------------------------------------------

          INACTIVE         /u02/app/oradata/ZDJS/redo03.log

          INACTIVE         /u02/app/oradata/ZDJS/redo02.log

          CURRENT          /u02/app/oradata/ZDJS/redo01.log

          CURRENT          +DATA/zdjs/onlinelog/group_1.264.870617701

          CURRENT          +FLA/zdjs/onlinelog/group_1.256.870617713

          INACTIVE         +DATA/zdjs/onlinelog/group_2.265.870617759

          INACTIVE         +FLA/zdjs/onlinelog/group_2.257.870617769

          INACTIVE         +DATA/zdjs/onlinelog/group_3.266.870618057

          INACTIVE         +FLA/zdjs/onlinelog/group_3.258.870618067

 rows selected.

删除原来的状态为INACTIVE的联机日志，通过alter system switch logfile;命令切换日志

SQL> alter database drop logfile member '/u02/app/oradata/ZDJS/redo01.log';

Database altered.

SQL> alter database drop logfile member '/u02/app/oradata/ZDJS/redo02.log';

Database altered.

SQL> alter database drop logfile member '/u02/app/oradata/ZDJS/redo03.log';

Database altered.

SQL> select a.group#,a.status,b.member from v$log a,v$logfile b

    where a.group#=b.group# order by group#;

    GROUP# STATUS           MEMBER

---------- ---------------- --------------------------------------------------

          CURRENT          +DATA/zdjs/onlinelog/group_1.264.870617701

          CURRENT          +FLA/zdjs/onlinelog/group_1.256.870617713

          INACTIVE         +DATA/zdjs/onlinelog/group_2.265.870617759

          INACTIVE         +FLA/zdjs/onlinelog/group_2.257.870617769

          INACTIVE         +DATA/zdjs/onlinelog/group_3.266.870618057

          INACTIVE         +FLA/zdjs/onlinelog/group_3.258.870618067

 rows selected.

6.迁移临时表空间到ASM磁盘

SQL> select tablespace_name,file_name,bytes// size_m

    from dba_temp_files;

TABLESPACE_NAME      FILE_NAME                                    SIZE_M

-------------------- ---------------------------------------- ----------

TEMP                 /u02/app/oradata/ZDJS/temp01.dbf                 

SQL> alter tablespace temp add tempfile size 100m;

Tablespace altered.

SQL> select tablespace_name,file_name,bytes// size_m

    from dba_temp_files;

TABLESPACE_NAME      FILE_NAME                                    SIZE_M

-------------------- ---------------------------------------- ----------

TEMP                 +DATA/zdjs/tempfile/temp.267.870619111

TEMP                 /u02/app/oradata/ZDJS/temp01.dbf                 

SQL> alter database tempfile '/u02/app/oradata/ZDJS/temp01.dbf' drop ;

Database altered.

SQL> select tablespace_name,file_name,bytes// size_m

    from dba_temp_files;

TABLESPACE_NAME      FILE_NAME                                    SIZE_M

-------------------- ---------------------------------------- ----------

TEMP                 +DATA/zdjs/tempfile/temp.267.870619111

7.迁移控制文件、数据文件到ASM磁盘

在整个迁移过程中，只有这一步需要对数据库实例进行关闭、启动;这一步实际就是一个完全恢复的过程。

SQL> show parameter control 

NAME                                 TYPE        VALUE

------------------------------------ ----------- ------------------------------

control_file_record_keep_time        integer

control_files                        string      /u02/app/oradata/ZDJS/control0

                                                 .ctl, /u02/app/oradata/ZDJS/c

                                                 ontrol02.ctl, /u02/app/oradata

                                                 /ZDJS/control03.ctl

SQL> alter system set control_files='+DATA/ZDJS/CONTROLFILE/control01.ctl',

    '+DATA/ZDJS/CONTROLFILE/control02.ctl','+DATA/ZDJS/CONTROLFILE/control03.ctl'

    scope=spfile;

System altered.

SQL> shutdown immediate

Database closed.

Database dismounted.

ORACLE instance shut down.

SQL> startup nomount

ORACLE instance started.

Total System Global Area   bytes

Fixed Size                   bytes

Variable Size              bytes

Database Buffers           bytes

Redo Buffers                 bytes

把数据库启动到nomount状态后使用rman进行恢复：

[oracle@std ~]$ rman target /

Recovery Manager: Release 10.2.0.4. - Production on Mon Feb  :: 

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

connected to target database: ZDJS (not mounted)

RMAN> restore controlfile from '/u02/app/oradata/ZDJS/control01.ctl';

Starting restore at -FEB-

using target database control file instead of recovery catalog

allocated channel: ORA_DISK_1

channel ORA_DISK_1: sid= devtype=DISK

channel ORA_DISK_1: copied control file copy

output filename=+DATA/zdjs/controlfile/control01.ctl

output filename=+DATA/zdjs/controlfile/control02.ctl

output filename=+DATA/zdjs/controlfile/control03.ctl

Finished restore at -FEB-

使用rman从最近的控制文件直接恢复控制文件，我们使用asmcmd工具确认一下恢复的控制文件是否存在：

ASMCMD> pwd

+DATA/ZDJS/CONTROLFILE

ASMCMD> ls

Backup.262.870616639

control01.ctl

control02.ctl

control03.ctl

current.268.870620187

current.269.870620189

current.270.870620189

mount数据库后使用rman switch数据库：

SQL> alter database mount;

Database altered.

[oracle@std ~]$ rman target /

Recovery Manager: Release 10.2.0.4. - Production on Mon Feb  :: 

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

connected to target database: ZDJS (DBID=, not open)

RMAN> list copy;

using target database control file instead of recovery catalog

List of Datafile Copies

Key     File S Completion Time Ckp SCN    Ckp Time        Name

------- ---- - --------------- ---------- --------------- ----

           A -FEB-            -FEB-       +DATA/zdjs/datafile/system.256.870616471

           A -FEB-            -FEB-       +DATA/zdjs/datafile/undotbs1.257.870616525

           A -FEB-            -FEB-       +DATA/zdjs/datafile/sysaux.258.870616569

           A -FEB-            -FEB-       +DATA/zdjs/datafile/users.261.870616635

           A -FEB-            -FEB-       +DATA/zdjs/datafile/example.259.870616605

           A -FEB-            -FEB-       +DATA/zdjs/datafile/rlsc.260.870616621

List of Control File Copies

Key     S Completion Time Ckp SCN    Ckp Time        Name

------- - --------------- ---------- --------------- ----

       A -FEB-            -FEB-       +DATA/zdjs/controlfile/backup.262.870616639

       A -FEB-            -FEB-       +DATA/zdjs/controlfile/backup.256.870616081

List of Archived Log Copies

Key     Thrd Seq     S Low Time  Name

------- ---- ------- - --------- ----

                 A -JAN- /u02/ZDJS_ARCH/1_35_869134589.dbf

                 A -FEB- /u02/ZDJS_ARCH/1_36_869134589.dbf

                 A -FEB- /u02/ZDJS_ARCH/1_37_869134589.dbf

                 A -FEB- /u02/ZDJS_ARCH/1_38_869134589.dbf

                 A -FEB- /u02/ZDJS_ARCH/1_39_869134589.dbf

                 A -FEB- /u02/ZDJS_ARCH/1_40_869134589.dbf

                 A -FEB- /u02/ZDJS_ARCH/1_41_869134589.dbf

                 A -FEB- /u02/ZDJS_ARCH/1_42_869134589.dbf

                 A -FEB- /u02/ZDJS_ARCH/1_43_869134589.dbf

RMAN> switch database to copy;



datafile  switched to datafile copy "+DATA/zdjs/datafile/system.256.870616471"

datafile  switched to datafile copy "+DATA/zdjs/datafile/undotbs1.257.870616525"

datafile  switched to datafile copy "+DATA/zdjs/datafile/sysaux.258.870616569"

datafile  switched to datafile copy "+DATA/zdjs/datafile/users.261.870616635"

datafile  switched to datafile copy "+DATA/zdjs/datafile/example.259.870616605"

datafile  switched to datafile copy "+DATA/zdjs/datafile/rlsc.260.870616621"

RMAN> recover database;  --切换后现在使用的是磁盘组里的备份文件，所有我们需要进行恢复

Starting recover at -FEB-

allocated channel: ORA_DISK_1

channel ORA_DISK_1: sid= devtype=DISK

starting media recovery

archive log thread  sequence  is already on disk as file /u02/ZDJS_ARCH/1_35_869134589.dbf

archive log thread  sequence  is already on disk as file /u02/ZDJS_ARCH/1_36_869134589.dbf

archive log thread  sequence  is already on disk as file /u02/ZDJS_ARCH/1_37_869134589.dbf

archive log thread  sequence  is already on disk as file /u02/ZDJS_ARCH/1_38_869134589.dbf

archive log thread  sequence  is already on disk as file /u02/ZDJS_ARCH/1_39_869134589.dbf

archive log thread  sequence  is already on disk as file /u02/ZDJS_ARCH/1_40_869134589.dbf

archive log thread  sequence  is already on disk as file /u02/ZDJS_ARCH/1_41_869134589.dbf

archive log thread  sequence  is already on disk as file /u02/ZDJS_ARCH/1_42_869134589.dbf

archive log thread  sequence  is already on disk as file /u02/ZDJS_ARCH/1_43_869134589.dbf

archive log filename=/u02/ZDJS_ARCH/1_35_869134589.dbf thread= sequence=

archive log filename=/u02/ZDJS_ARCH/1_36_869134589.dbf thread= sequence=

archive log filename=/u02/ZDJS_ARCH/1_37_869134589.dbf thread= sequence=

archive log filename=/u02/ZDJS_ARCH/1_38_869134589.dbf thread= sequence=

archive log filename=/u02/ZDJS_ARCH/1_39_869134589.dbf thread= sequence=

archive log filename=/u02/ZDJS_ARCH/1_40_869134589.dbf thread= sequence=

archive log filename=/u02/ZDJS_ARCH/1_41_869134589.dbf thread= sequence=

media recovery complete, elapsed time: ::

Finished recover at -FEB-

RMAN> alter database open;

database opened

8.验证迁移后的文件

SQL> select * from v$dbfile;

     FILE# NAME

---------- --------------------------------------------------

          +DATA/zdjs/datafile/users.261.870616635

          +DATA/zdjs/datafile/sysaux.258.870616569

          +DATA/zdjs/datafile/undotbs1.257.870616525

          +DATA/zdjs/datafile/system.256.870616471

          +DATA/zdjs/datafile/example.259.870616605

          +DATA/zdjs/datafile/rlsc.260.870616621

 rows selected.

SQL> select file#,name from v$tempfile;

     FILE# NAME

---------- --------------------------------------------------

          +DATA/zdjs/tempfile/temp.267.870619111

SQL> show parameter control_

NAME                                 TYPE        VALUE

------------------------------------ ----------- ------------------------------

control_file_record_keep_time        integer

control_files                        string      +DATA/zdjs/controlfile/control

                                                 .ctl, +DATA/zdjs/controlfile

                                                 /control02.ctl, +DATA/zdjs/con

                                                 trolfile/control03.ctl

SQL> select group#,member from v$logfile;

    GROUP# MEMBER

---------- --------------------------------------------------

          +DATA/zdjs/onlinelog/group_1.264.870617701

          +FLA/zdjs/onlinelog/group_1.256.870617713

          +DATA/zdjs/onlinelog/group_2.265.870617759

          +FLA/zdjs/onlinelog/group_2.257.870617769

          +DATA/zdjs/onlinelog/group_3.266.870618057

          +FLA/zdjs/onlinelog/group_3.258.870618067

 rows selected.

#ASM和OS文件系统之间交换可以使用dbms_file_transfer包或rman的convert方法

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