1> asm实例环境
[oracle@liuxiong ~]$ export ORACLE_SID=+ASM //设置ASM实例环境变量
[oracle@liuxiong ~]$ sqlplus / as sysdba
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SQL*Plus: Release 10.2.0.1.0 - Production on Fri Sep 16 17:43:30 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
SQL> select instance_name,status from v$instance;
INSTANCE_NAME STATUS
---------------- ------------
+ASM STARTED
SQL> select name,state,total_mb,free_mb from v$asm_diskgroup; //查看ASM磁盘组信息
NAME STATE TOTAL_MB FREE_MB
------------------------------ ----------- ---------- ----------
DATA1 MOUNTED 3922 3820
SQL> col path format a12
SQL> select state,total_mb,free_mb,name,path from v$asm_disk; //查看ASM磁盘信息
STATE TOTAL_MB FREE_MB NAME PATH
-------- ---------- ---------- ------------------------------ ------------
NORMAL 1961 1910 VOL1 ORCL:VOL1
NORMAL 1961 1910 VOL2 ORCL:VOL2
2> 迁移在线重做日志文件
[oracle@liuxiong ~]$ export ORACLE_SID=oradb
[oracle@liuxiong ~]$ sqlplus / as sysdba
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SQL*Plus: Release 10.2.0.1.0 - Production on Fri Sep 16 17:43:30 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
SQL> select instance_name,status from v$instance;
INSTANCE_NAME STATUS
---------------- ------------
oradb OPEN
SQL> select group#,status,type,member from v$logfile; //查看当前使用的日志文件
GROUP# STATUS TYPE MEMBER
------ ------- ------- ---------------------------------------------
3 ONLINE /u01/oracle/product/oradata/oradb/redo03.log
2 ONLINE /u01/oracle/product/oradata/oradb/redo02.log
1 STALE ONLINE /u01/oracle/product/oradata/oradb/redo01.log
SQL> show parameter create_online //查看日志文件存储参数设置
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
db_create_online_log_dest_1 string
db_create_online_log_dest_2 string
db_create_online_log_dest_3 string
db_create_online_log_dest_4 string
db_create_online_log_dest_5 string
SQL> alter system set db_create_online_log_dest_1='+DATA1'; //修改连接重做日志文件创建路径到ASM磁盘组
System altered.
SQL> alter system set db_create_file_dest='+DATA1'; //修改数据文件的创建路径
System altered.
SQL> alter system set db_recovery_file_dest='+DATA1'; //修改回滚数据文件存储路径
System altered.
SQL> show parameter db_create //查看设置后的结果
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
db_create_file_dest string +DATA1
db_create_online_log_dest_1 string +DATA1
db_create_online_log_dest_2 string
db_create_online_log_dest_3 string
db_create_online_log_dest_4 string
db_create_online_log_dest_5 string
SQL> show parameter db_recovery //查看设置后的结果
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
db_recovery_file_dest string +DATA1
db_recovery_file_dest_size big integer 2G
SQL> alter database add logfile group 4 size 30M; //添加连机重做日志文件4，并指定大小为30M
Database altered.
SQL> alter database add logfile group 5 size 30M; //添加连机重做日志文件5，并指定大小为30M
Database altered.
SQL> alter database add logfile group 6 size 30M; //添加连机重做日志文件6，并指定大小为30M
Database altered.
SQL> select group#,status from v$log; //查看添加后的日志文件，及当前使用日志文件
GROUP# STATUS
------ ----------------
1 INACTIVE
2 CURRENT //组2为当前连机日志文件
3 INACTIVE
4 UNUSED
5 UNUSED
6 UNUSED
6 rows selected.
SQL> select group#,status,type,member from v$logfile; //查看新添加的重做日志文件存放路径
GROUP# STATUS TYPE MEMBER
------ ------- ------- ---------------------------------------------
3 ONLINE /u01/oracle/product/oradata/oradb/redo03.log
2 ONLINE /u01/oracle/product/oradata/oradb/redo02.log
1 STALE ONLINE /u01/oracle/product/oradata/oradb/redo01.log
4 ONLINE +DATA1/oradb/onlinelog/group_4.256.762028249
5 ONLINE +DATA1/oradb/onlinelog/group_5.257.762028271
6 ONLINE +DATA1/oradb/onlinelog/group_6.258.762028305
SQL> alter database drop logfile group 1; //删除未使用的重做日志文件1
Database altered.
SQL> alter database drop logfile group 3; //删除未使用的重做日志文件2
Database altered.
SQL> alter system switch logfile; //手动进行日志切换
System altered.
SQL> alter system checkpoint; //手动触发检查点，将日志数据文件写入磁盘
System altered.
SQL> select group#,status from v$log; //查看当前使用日志文件
GROUP# STATUS
------ ----------------
2 INACTIVE
4 CURRENT
5 UNUSED
6 UNUSED
SQL> alter database drop logfile group 2; //删除重做日志文件2
Database altered.
SQL> select group#,status,type,member from v$logfile; //检验重做日志文件的迁移结果
GROUP# STATUS TYPE MEMBER
------ ------- ------- ---------------------------------------------
4 ONLINE +DATA1/oradb/onlinelog/group_4.256.762028249
5 ONLINE +DATA1/oradb/onlinelog/group_5.257.762028271
6 ONLINE +DATA1/oradb/onlinelog/group_6.258.762028305
SQL> show parameter control //查看当前控制文件
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
control_file_record_keep_time integer 7
control_files string /u01/oracle/product/oradata/or
adb/control01.ctl, /u01/oracle
/product/oradata/oradb/control
02.ctl, /u01/oracle/product/or
adata/oradb/control03.ctl
SQL> alter system set control_files='+DATA1' scope=spfile; //修改控制文件 存储到ASMD磁盘组
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
3> 迁移数据文件与控制文件到ASM磁盘组
[oracle@liuxiong /]$ rman target/
Recovery Manager: Release 10.2.0.1.0 - Production on Fri Sep 16 19:12:44 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
connected to target database (not started)
RMAN> startup nomount;
RMAN> restore controlfile from '/u01/oracle/product/oradata/oradb/control01.ctl'; //利用文件系统上的控制文件重建控制文件到ASM磁盘组
Starting restore at 16-SEP-11
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=156 devtype=DISK
channel ORA_DISK_1: copied control file copy
output filename=/u01/oracle/product/10g/dbs/DATA1
Finished restore at 16-SEP-11
RMAN> alter database mount;
RMAN> run{ //备份数据文件到ASM磁盘组
2> allocate channel c1 device type disk;
3> allocate channel c2 device type disk;
4> backup as copy database format '+DATA1';
5> }
using target database control file instead of recovery catalog
allocated channel: c1
channel c1: sid=155 devtype=DISK
allocated channel: c2
channel c2: sid=156 devtype=DISK
Starting backup at 16-SEP-11
channel c1: starting datafile copy
input datafile fno=00001 name=/u01/oracle/product/oradata/oradb/system01.dbf
channel c2: starting datafile copy
output filename=+DATA1/oradb/datafile/sysaux.266.762031105 tag=TAG20110916T191816 recid=8 stamp=762031163
channel c2: datafile copy complete, elapsed time: 00:01:16
channel c2: starting datafile copy
input datafile fno=00005 name=/u01/oracle/product/oradata/oradb/example01.dbf
output filename=+DATA1/oradb/datafile/system.265.762031103 tag=TAG20110916T191816 recid=9 stamp=762031173
channel c1: datafile copy complete, elapsed time: 00:01:19
channel c1: starting datafile copy
input datafile fno=00002 name=/u01/oracle/product/oradata/oradb/undotbs01.dbf
output filename=+DATA1/oradb/datafile/undotbs1.268.762031177 tag=TAG20110916T191816 recid=10 stamp=762031183
channel c1: datafile copy complete, elapsed time: 00:00:15
channel c1: starting datafile copy
input datafile fno=00004 name=/u01/oracle/product/oradata/oradb/users01.dbf
output filename=+DATA1/oradb/datafile/example.267.762031177 tag=TAG20110916T191816 recid=11 stamp=762031189
channel c2: datafile copy complete, elapsed time: 00:00:18
channel c2: starting datafile copy
copying current control file
output filename=+DATA1/oradb/datafile/users.269.762031193 tag=TAG20110916T191816 recid=13 stamp=762031194
channel c1: datafile copy complete, elapsed time: 00:00:03
channel c1: starting full datafile backupset
channel c1: specifying datafile(s) in backupset
output filename=+DATA1/oradb/controlfile/backup.270.762031193 tag=TAG20110916T191816 recid=12 stamp=762031194
channel c2: datafile copy complete, elapsed time: 00:00:04
including current SPFILE in backupset
channel c1: starting piece 1 at 16-SEP-11
channel c1: finished piece 1 at 16-SEP-11
piece handle=+DATA1/oradb/backupset/2011_09_16/nnsnf0_tag20110916t191816_0.271.762031197 tag=TAG20110916T191816 comment=NONE
channel c1: backup set complete, elapsed time: 00:00:02
Finished backup at 16-SEP-11
released channel: c1
released channel: c2
RMAN> switch database to copy; //利用RMAN的SWITCH 命令修改控制文件内数据文件的指针,使其指向新位置.
datafile 1 switched to datafile copy "+DATA1/oradb/datafile/system.265.762031103"
datafile 2 switched to datafile copy "+DATA1/oradb/datafile/undotbs1.268.762031177"
datafile 3 switched to datafile copy "+DATA1/oradb/datafile/sysaux.266.762031105"
datafile 4 switched to datafile copy "+DATA1/oradb/datafile/users.269.762031193"
datafile 5 switched to datafile copy "+DATA1/oradb/datafile/example.267.762031177"
RMAN> recover database; //恢复当前数据库文件
Starting recover at 16-SEP-11
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=155 devtype=DISK
starting media recovery
media recovery complete, elapsed time: 00:00:00
Finished recover at 16-SEP-11
RMAN> alter database open; //打开数据库
database opened
RMAN>exit
oracle@liuxiong ~]$ sqlplus / as sysdba
SQL> col file_name format a42
SQL> col tablespace_name format a14
SQL> select file_name,tablespace_name from dba_data_files; //验证数据文件的迁移
FILE_NAME TABLESPACE_NAM
------------------------------------------ --------------
+DATA/oradb/datafile/users.264.762003057 USERS
+DATA/oradb/datafile/sysaux.261.762002983 SYSAUX
+DATA/oradb/datafile/undotbs1.263.76200305 UNDOTBS17
+DATA/oradb/datafile/system.260.762002983 SYSTEM
+DATA/oradb/datafile/example.262.762003035 EXAMPLE
SQL> show parameter control; //验证控制文件的迁移
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
control_file_record_keep_time integer 7
control_files string +DATA/oradb/controlfile/backup
.259.762002877
4> 迁移参数文件
SQL> create pfile from spfile;
File created.
SQL> show parameter spfile
NAME TYPE VALUE
------------------ ----------- --------------------------------------------
spfile string /u01/oracle/product/10g/dbs/spfileoradb.ora
SQL> create spfile='+DATA' from pfile; //创建ASM磁盘上参数文件（spfile.268.762004477）
File created.
[oracle@cent4 dbs]$ rm -rf /u01/oracle/product/10g/dbs/spfileoradb.ora //删除SP参数文件。
[root@liuxiong dbs]# vi initoradb.ora //将参数文件修改成以下内容：
spfile=+data/oradb/parameterfile/spfile.268.762004477 //注:此spfile.268.762004477 参数文件通过以下方式查看得到
[oracle@liuxiong /]$ export ORACLE_SID=+ASM
[oracle@liuxiong /]$ asmcmd
ASMCMD> cd +data/oradb/parameterfile
ASMCMD> ls
spfile.268.762004477
SQL> show parameter spfile; //数据库重启后,验证参数文件迁移.
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
spfile string +DATA/oradb/parameterfile/spfile.268.762004477
5> 迁移TEMFPILE到ASM磁盘组DATA.
[oracle@liuxiong ~]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.1.0 - Production on Fri Sep 16 11:35:33 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> select name,status,enabled from v$tempfile;
NAME STATUS ENABLED
------- ---------- -----------
/u01/oracle/product/oradata/oradb/temp01.dbf ONLINE READ WRITE
SQL> alter tablespace temp add tempfile '+DATA';
Tablespace altered.
SQL> ALTER tablespace temp drop tempfile '/u01/oracle/product/oradata/oradb/temp01.dbf';
Tablespace altered.
SQL> select name,status,enabled from v$tempfile; //验证临时表空间文件迁移
NAME STATUS ENABLED
---------------------- --------------- ------- ----------
+DATA/oradb/tempfile/temp.267.762003421 ONLINE READ WRITE