--创建pfile文件
SQL> create pfile ='/tmp/pfile' from spfile;
File created.
SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Production
With the Partitioning, OLAP and Data Mining options
--修改pfile中关于asm中的内容
control_files
db_recovery_file_dest
log_archive_dest_1
指定到文件系统
--登录rman
[oracle@localhost tmp]$ rman target /
Recovery Manager: Release 10.2.0.3.0 - Production on Mon Jun 27 12:48:26 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
connected to target database: TOS (DBID=1569606545)
--执行backup as copy datafile
RMAN> backup as copy datafile '+DATA/tos/datafile/users.276.754906035' format '/u01/oradata/tos/USERS01.dbf';
Starting backup at 27-JUN-11
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=141 devtype=DISK
channel ORA_DISK_1: starting datafile copy
input datafile fno=00004 name=+DATA/tos/datafile/users.276.754906035
output filename=/u01/oradata/tos/USERS01.dbf tag=TAG20110627T124853 recid=17 stamp=754922939
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:07
Finished backup at 27-JUN-11
RMAN> backup as copy datafile '+DATA/tos/datafile/sysaux.271.754905929' format '/u01/oradata/tos/SYSAUX01.dbf';
Starting backup at 27-JUN-11
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile fno=00003 name=+DATA/tos/datafile/sysaux.271.754905929
output filename=/u01/oradata/tos/SYSAUX01.dbf tag=TAG20110627T124929 recid=18 stamp=754923029
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:01:05
Finished backup at 27-JUN-11
RMAN> backup as copy datafile '+DATA/tos/datafile/undotbs1.273.754906021' format '/u01/oradata/tos/UNDOTBS101.dbf';
Starting backup at 27-JUN-11
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile fno=00002 name=+DATA/tos/datafile/undotbs1.273.754906021
output filename=/u01/oradata/tos/UNDOTBS101.dbf tag=TAG20110627T125049 recid=19 stamp=754923057
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:15
Finished backup at 27-JUN-11
RMAN> backup as copy datafile '+DATA/tos/datafile/system.270.754905833' format '/u01/oradata/tos/SYSTEM01.dbf';
Starting backup at 27-JUN-11
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile fno=00001 name=+DATA/tos/datafile/system.270.754905833
output filename=/u01/oradata/tos/SYSTEM01.dbf tag=TAG20110627T125112 recid=20 stamp=754923150
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:01:25
channel ORA_DISK_1: starting datafile copy
copying current control file
RMAN-03009: failure of backup command on ORA_DISK_1 channel at 06/27/2011 12:52:39
ORA-01580: error creating control backup file /u01/oradata/tos/SYSTEM01.dbf
ORA-27038: created file already exists
Additional information: 1
continuing other job steps, job failed will not be re-run
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 1 at 27-JUN-11
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on ORA_DISK_1 channel at 06/27/2011 12:52:42
ORA-19504: failed to create file "/u01/oradata/tos/SYSTEM01.dbf"
ORA-27038: created file already exists
Additional information: 1
注：因为默认情况下，备份system数据文件是，会自动备份控制文件，这里因为system01.dbf已经备份好，而控制文件再次备份为该名称所以失败
RMAN> backup as copy datafile '+DATA/tos/datafile/example.272.754905995' format '/u01/oradata/tos/EXAMPLE01.dbf';
Starting backup at 27-JUN-11
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile fno=00005 name=+DATA/tos/datafile/example.272.754905995
output filename=/u01/oradata/tos/EXAMPLE01.dbf tag=TAG20110627T125341 recid=21 stamp=754923244
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:25
Finished backup at 27-JUN-11
RMAN> backup as copy datafile '+DATA/tos/datafile/xff.274.754906027' format '/u01/oradata/tos/XFF01.dbf';
Starting backup at 27-JUN-11
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile fno=00006 name=+DATA/tos/datafile/xff.274.754906027
output filename=/u01/oradata/tos/XFF01.dbf tag=TAG20110627T125415 recid=22 stamp=754923257
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:03
Finished backup at 27-JUN-11
RMAN> backup as copy datafile '+DATA/tos/datafile/xff.275.754906031' format '/u01/oradata/tos/XFF02.dbf';
Starting backup at 27-JUN-11
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile fno=00007 name=+DATA/tos/datafile/xff.275.754906031
output filename=/u01/oradata/tos/XFF02.dbf tag=TAG20110627T125507 recid=23 stamp=754923309
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:04
Finished backup at 27-JUN-11
RMAN> exit
Recovery Manager complete.
--登录sqlplus
[oracle@localhost tmp]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.3.0 - Production on Mon Jun 27 12:55:29 2011
Copyright (c) 1982, 2006, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Production
With the Partitioning, OLAP and Data Mining options
--备份控制文件
SQL> alter database backup controlfile to '/tmp/control.ctl';
Database altered.
--关闭数据库
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
--启动数据库只nomount状态
SQL> startup pfile='/tmp/pfile' nomount;
ORACLE instance started.
Total System Global Area 167772160 bytes
Fixed Size 1260672 bytes
Variable Size 79692672 bytes
Database Buffers 79691776 bytes
Redo Buffers 7127040 bytes
SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Production
With the Partitioning, OLAP and Data Mining options
[oracle@localhost tmp]$ rman target /
Recovery Manager: Release 10.2.0.3.0 - Production on Mon Jun 27 12:58:22 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
connected to target database: tos (not mounted)
--恢复控制文件
RMAN> restore controlfile from '/tmp/control.ctl';
Starting restore at 27-JUN-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/oradata/tos/control01.ctl
output filename=/u01/oradata/tos/control02.ctl
Finished restore at 27-JUN-11
--启动数据库只mount状态
RMAN> alter database mount;
database mounted
released channel: ORA_DISK_1
--修改数据文件在控制文件中位置
RMAN> switch tablespace SYSTEM to copy;
Starting implicit crosscheck backup at 27-JUN-11
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=156 devtype=DISK
Finished implicit crosscheck backup at 27-JUN-11
Starting implicit crosscheck copy at 27-JUN-11
using channel ORA_DISK_1
Crosschecked 15 objects
Finished implicit crosscheck copy at 27-JUN-11
searching for all files in the recovery area
cataloging files...
no files cataloged
datafile 1 switched to datafile copy "/u01/oradata/tos/SYSTEM01.dbf"
RMAN> switch tablespace UNDOTBS1 to copy;
datafile 2 switched to datafile copy "/u01/oradata/tos/UNDOTBS101.dbf"
RMAN> switch tablespace SYSAUX to copy;
datafile 3 switched to datafile copy "/u01/oradata/tos/SYSAUX01.dbf"
RMAN> switch tablespace USERS to copy;
datafile 4 switched to datafile copy "/u01/oradata/tos/USERS01.dbf"
RMAN> switch tablespace EXAMPLE to copy;
datafile 5 switched to datafile copy "/u01/oradata/tos/EXAMPLE01.dbf"
RMAN> switch tablespace XFF to copy;
datafile 6 switched to datafile copy "/u01/oradata/tos/XFF01.dbf"
datafile 7 switched to datafile copy "/u01/oradata/tos/XFF02.dbf"
--恢复数据库
RMAN> recover database;
Starting recover at 27-JUN-11
using channel ORA_DISK_1
starting media recovery
archive log thread 1 sequence 9 is already on disk as file +DATA/tos/onlinelog/group_6.279.754906321
archive log filename=+DATA/tos/onlinelog/group_6.279.754906321 thread=1 sequence=9
media recovery complete, elapsed time: 00:00:03
Finished recover at 27-JUN-11
--打开数据库
RMAN> alter database open;
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of alter db command at 06/27/2011 13:00:36
ORA-01589: must use RESETLOGS or NORESETLOGS option for database open
RMAN> alter database open resetlogs;
database opened
注：不能直接使用open打开
RMAN> exit
Recovery Manager complete.
[oracle@localhost tmp]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.3.0 - Production on Mon Jun 27 13:02:53 2011
Copyright (c) 1982, 2006, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Production
With the Partitioning, OLAP and Data Mining options
--增加redo log
SQL> alter database add logfile group 1 '/u01/oradata/tos/redo01.log' size 10m;
Database altered.
SQL> alter database add logfile group 2 '/u01/oradata/tos/redo02.log' size 10m;
Database altered.
SQL> alter database add logfile group 3 '/u01/oradata/tos/redo03.log' size 10m;
Database altered.
--切换日志
SQL> alter system switch logfile;
System altered.
SQL> /
System altered.
SQL> /
System altered.
SQL> /
System altered.
--内存中数据写入硬盘
SQL> alter system checkpoint;
System altered.
--查询当前日志组状态
SQL> select group#,status from v$log;
GROUP# STATUS
---------- ----------------
1 CURRENT
2 INACTIVE
3 INACTIVE
4 INACTIVE
5 INACTIVE
6 INACTIVE
6 rows selected.
--删除asm中日志
SQL> alter database drop logfile group 4;
Database altered.
SQL> alter database drop logfile group 5;
Database altered.
SQL> alter database drop logfile group 6;
Database altered.
--添加临时文件
SQL> alter tablespace temp add tempfile '/u01/oradata/tos/temp01.dbf' size 30m autoextend on maxsize 1g;
Tablespace altered.
--查看临时表空间中临时文件
SQL> select name from v$tempfile;
NAME
--------------------------------------------------------------------------------
/u01/oradata/tos/temp01.dbf
+DATA/tos/tempfile/temp.280.754906369
--删除asm中临时文件
SQL> alter tablespace temp drop tempfile '+DATA/tos/tempfile/temp.280.754906369';
Tablespace altered.
--查看迁移结果
SQL> set pagesize 100
SQL> select name from v$datafile
2 union
3 select member from v$logfile
4 union
5 select name from v$controlfile
6 union
7 select name from v$tempfile;
NAME
------------------------------------------------------------------
/u01/oradata/tos/EXAMPLE01.dbf
/u01/oradata/tos/SYSAUX01.dbf
/u01/oradata/tos/SYSTEM01.dbf
/u01/oradata/tos/UNDOTBS101.dbf
/u01/oradata/tos/USERS01.dbf
/u01/oradata/tos/XFF01.dbf
/u01/oradata/tos/XFF02.dbf
/u01/oradata/tos/control01.ctl
/u01/oradata/tos/control02.ctl
/u01/oradata/tos/redo01.log
/u01/oradata/tos/redo02.log
/u01/oradata/tos/redo03.log
/u01/oradata/tos/temp01.dbf
13 rows selected.
--创建spfile文件
SQL> create spfile from pfile='/tmp/pfile';
File created.
Category Archives: Oracle ASM
create spfile to asm
--查看sid
SQL> show parameter instance_name ;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
instance_name string tos
--创建pfile
SQL> create pfile='/tmp/tospfile' from spfile;
File created.
--创建spfile in asm
SQL> create spfile='+data' from pfile='/tmp/tospfile';
File created.
--查看spfile name in asm
ASMCMD> pwd
+data/tos/parameterfile
ASMCMD> ls
spfile.282.754913039
--编辑pfile内容（如果有该文件，先删除/重命名）
[oracle@localhost ~]$ vi $ORACLE_HOME/dbs/inittos.ora
#内容为
spfile='+data/tos/parameterfile/spfile.282.754913039'
--重命名spfile文件
[oracle@localhost dbs]$ mv spfiletos.ora spfiletos.ora_bak
--重启数据库
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.
Total System Global Area 167772160 bytes
Fixed Size 1260672 bytes
Variable Size 75498368 bytes
Database Buffers 83886080 bytes
Redo Buffers 7127040 bytes
Database mounted.
Database opened.
--查看spfile
SQL> show parameter spfile;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
spfile string +DATA/tos/parameterfile/spfile
.282.754913039
普通库迁移至ASM存储
--查看当前库文件位置
SQL> select name from v$datafile
2 union
3 select member from v$logfile
4 union
5 select name from v$controlfile
6 union
7 select name from v$tempfile;
NAME
--------------------------------------------------------------------------------
/u01/oradata/tos/control01.ctl
/u01/oradata/tos/control02.ctl
/u01/oradata/tos/control03.ctl
/u01/oradata/tos/example01.dbf
/u01/oradata/tos/redo01.log
/u01/oradata/tos/redo02.log
/u01/oradata/tos/redo03.log
/u01/oradata/tos/sysaux01.dbf
/u01/oradata/tos/system01.dbf
/u01/oradata/tos/temp01.dbf
/u01/oradata/tos/undotbs01.dbf
/u01/oradata/tos/users01.dbf
/u01/oradata/tos/xff01.dbf
/u01/oradata/tos/xff02.dbf
14 rows selected.
--备份控制文件
SQL> alter database backup controlfile to '/u01/control.ctl';
Database altered.
--修改spfile中的控制文件至asm
SQL> alter system set control_files='+DATA' scope=spfile;
System altered.
--修改db_recovery_file_dest至asm中
SQL> alter system set db_recovery_file_dest='+FLASHBACK';
System altered.
--修改归档日志至asm中
SQL> alter system set log_archive_dest_1='location=+DATA';
System altered.
--关闭数据库
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
--登录rman
[oracle@localhost ~]$ rman target /
Recovery Manager: Release 10.2.0.3.0 - Production on Mon Jun 27 08:02:37 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
connected to target database (not started)
--启动数据库至nomount状态
RMAN> startup nomount;
Oracle instance started
Total System Global Area 167772160 bytes
Fixed Size 1260672 bytes
Variable Size 67109760 bytes
Database Buffers 92274688 bytes
Redo Buffers 7127040 bytes
--恢复控制文件
RMAN> restore controlfile from '/u01/control.ctl';
Starting restore at 27-JUN-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=+DATA/tos/controlfile/current.268.754905785
Finished restore at 27-JUN-11
--打开数据库至mount状态
RMAN> alter database mount;
database mounted
released channel: ORA_DISK_1
--copy数据文件至asm
RMAN> backup as copy database format '+DATA';
Starting backup at 27-JUN-11
Starting implicit crosscheck backup at 27-JUN-11
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=156 devtype=DISK
Finished implicit crosscheck backup at 27-JUN-11
Starting implicit crosscheck copy at 27-JUN-11
using channel ORA_DISK_1
Finished implicit crosscheck copy at 27-JUN-11
searching for all files in the recovery area
cataloging files...
no files cataloged
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile fno=00001 name=/u01/oradata/tos/system01.dbf
output filename=+DATA/tos/datafile/system.270.754905833 tag=TAG20110627T080352 recid=2 stamp=754905928
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:01:35
channel ORA_DISK_1: starting datafile copy
input datafile fno=00003 name=/u01/oradata/tos/sysaux01.dbf
output filename=+DATA/tos/datafile/sysaux.271.754905929 tag=TAG20110627T080352 recid=3 stamp=754905990
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:01:05
channel ORA_DISK_1: starting datafile copy
input datafile fno=00005 name=/u01/oradata/tos/example01.dbf
output filename=+DATA/tos/datafile/example.272.754905995 tag=TAG20110627T080352 recid=4 stamp=754906010
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:26
channel ORA_DISK_1: starting datafile copy
input datafile fno=00002 name=/u01/oradata/tos/undotbs01.dbf
output filename=+DATA/tos/datafile/undotbs1.273.754906021 tag=TAG20110627T080352 recid=5 stamp=754906025
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:07
channel ORA_DISK_1: starting datafile copy
input datafile fno=00006 name=/u01/oradata/tos/xff01.dbf
output filename=+DATA/tos/datafile/xff.274.754906027 tag=TAG20110627T080352 recid=6 stamp=754906029
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:03
channel ORA_DISK_1: starting datafile copy
input datafile fno=00007 name=/u01/oradata/tos/xff02.dbf
output filename=+DATA/tos/datafile/xff.275.754906031 tag=TAG20110627T080352 recid=7 stamp=754906032
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:03
channel ORA_DISK_1: starting datafile copy
input datafile fno=00004 name=/u01/oradata/tos/users01.dbf
output filename=+DATA/tos/datafile/users.276.754906035 tag=TAG20110627T080352 recid=8 stamp=754906035
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:04
Finished backup at 27-JUN-11
RMAN-06497: WARNING: control file is not current, control file autobackup skipped
--恢复数据库
RMAN> recover database;
Starting recover at 27-JUN-11
using channel ORA_DISK_1
starting media recovery
archive log thread 1 sequence 3 is already on disk as file /u01/oradata/tos/redo02.log
archive log filename=/u01/oradata/tos/redo02.log thread=1 sequence=3
media recovery complete, elapsed time: 00:00:03
Finished recover at 27-JUN-11
--修改数据库中数据文件路径
RMAN> switch database to copy;
datafile 1 switched to datafile copy "+DATA/tos/datafile/system.270.754905833"
datafile 2 switched to datafile copy "+DATA/tos/datafile/undotbs1.273.754906021"
datafile 3 switched to datafile copy "+DATA/tos/datafile/sysaux.271.754905929"
datafile 4 switched to datafile copy "+DATA/tos/datafile/users.276.754906035"
datafile 5 switched to datafile copy "+DATA/tos/datafile/example.272.754905995"
datafile 6 switched to datafile copy "+DATA/tos/datafile/xff.274.754906027"
datafile 7 switched to datafile copy "+DATA/tos/datafile/xff.275.754906031"
--打开数据库
RMAN> alter database open resetlogs;
database opened
--添加日志文件
SQL> alter database add logfile group 4 '+DATA' size 10m;
Database altered.
SQL> alter database add logfile group 5 '+DATA' size 10m;
Database altered.
SQL> alter database add logfile group 6 '+DATA' size 10m;
Database altered.
--添加临时文件
SQL> alter tablespace temp add tempfile '+DATA' size 30m;
Tablespace altered.
--删除原临时文件
SQL> alter tablespace temp drop tempfile '/u01/oradata/tos/temp01.dbf';
Tablespace altered.
--切换日志
SQL> alter system switch logfile; --多次
System altered.
--数据文件修改写入磁盘
SQL> alter system checkpoint;
System altered.
--检查联机日志状态
SQL> select group#,status from v$log;
GROUP# STATUS
---------- ----------------
1 INACTIVE
2 INACTIVE
3 INACTIVE
4 INACTIVE
5 INACTIVE
6 CURRENT
6 rows selected.
--删除原联机日志
SQL> alter database drop logfile group 1;
Database altered.
SQL> alter database drop logfile group 2;
Database altered.
SQL> alter database drop logfile group 3;
Database altered.
--查看修改后状态
SQL> select name from v$datafile
2 union
3 select member from v$logfile
4 union
5 select name from v$controlfile
6 union
7 select name from v$tempfile;
NAME
--------------------------------------------------------------------------------
+DATA/tos/controlfile/current.268.754905785
+DATA/tos/datafile/example.272.754905995
+DATA/tos/datafile/sysaux.271.754905929
+DATA/tos/datafile/system.270.754905833
+DATA/tos/datafile/undotbs1.273.754906021
+DATA/tos/datafile/users.276.754906035
+DATA/tos/datafile/xff.274.754906027
+DATA/tos/datafile/xff.275.754906031
+DATA/tos/onlinelog/group_4.277.754906309
+DATA/tos/onlinelog/group_5.278.754906319
+DATA/tos/onlinelog/group_6.279.754906321
+DATA/tos/tempfile/temp.280.754906369
asm数据文件迁移(asm–>os)
--查看当前情况
SQL> select count(*) from hr.a;
COUNT(*)
----------
1580
SQL> select name from v$DATAFILE;
NAME
-----------------------------------------------------------
+DATA/tasm/system01.dbf
+DATA/tasm/undotbs01.dbf
+DATA/tasm/sysaux01.dbf
+DATA/tasm/users01.dbf
+DATA/tasm/example01.dbf
+DG2/tasm/datafile/xff.256.754902279
6 rows selected.
--创建目录
SQL> create directory asmsrc as '+DG2/TASM/datafile';
Directory created.
SQL> create directory osdesc as '/u01/oradata';
Directory created.
--表空间离线
SQL> alter tablespace xff offline;
Tablespace altered.
--数据文件迁移
SQL> begin
2 dbms_file_transfer.copy_file('ASMSRC',
3 'xff.256.754902279',
4 'OSDESC',
5 'xff_new_2.dbf');
6 END;
7 /
PL/SQL procedure successfully completed.
--修改数据库中datafile路径
SQL> alter database rename file
2 '+DG2/tasm/datafile/xff.256.754902279'
3 to '/u01/oradata/xff_new_2.dbf';
Database altered.
--表空间在线
SQL> alter tablespace xff online;
Tablespace altered.
--测试迁移结果
SQL> select name from v$DATAFILE;
NAME
-------------------------------------------------------------------
+DATA/tasm/system01.dbf
+DATA/tasm/undotbs01.dbf
+DATA/tasm/sysaux01.dbf
+DATA/tasm/users01.dbf
+DATA/tasm/example01.dbf
/u01/oradata/xff_new_2.dbf
6 rows selected.
SQL> select count(*) from hr.a;
COUNT(*)
----------
1580
--删除asm中文件
ASMCMD> rm XFF.256.754902279
ORA-15032: not all alterations performed
ORA-15028: ASM file '+dg2/tasm/datafile/XFF.256.754902279' not dropped;
currently being accessed (DBD ERROR: OCIStmtExecute)
--不能直接删除，关闭数据库后可以删除（应该是bug）
asm数据文件迁移(asm–>asm)
rman迁移操作
[oracle@localhost oradata]$ rman target / Recovery Manager: Release 10.2.0.3.0 - Production on Mon Jun 27 05:50:03 2011 Copyright (c) 1982, 2005, Oracle. All rights reserved. connected to target database: TASM (DBID=3032096031) RMAN> sql ‘alter tablespace xff offline’; using target database control file instead of recovery catalog sql statement: alter tablespace xff offline RMAN> backup device type disk as copy datafile 6 format '+DG2'; Starting backup at 27-JUN-11 using target database control file instead of recovery catalog allocated channel: ORA_DISK_1 channel ORA_DISK_1: sid=159 devtype=DISK channel ORA_DISK_1: starting datafile copy input datafile fno=00006 name=+DATA/tasm/xff01.dbf output filename=+DG2/tasm/datafile/xff.256.754899605 tag=TAG20110627T062003 recid=4 stamp=754899608 channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:07 Finished backup at 27-JUN-11 RMAN> switch tablepspace xff to copy; datafile 6 switched to datafile copy "+DG2/tasm/datafile/xff.256.754899605" RMAN> sql 'alter tablespace xff online'; sql statement: alter tablespace xff online
sql验证操作
SQL> select name from v$datafile;
NAME
--------------------------------------------------------------------------------
+DATA/tasm/system01.dbf
+DATA/tasm/undotbs01.dbf
+DATA/tasm/sysaux01.dbf
+DATA/tasm/users01.dbf
+DATA/tasm/example01.dbf
+DG2/tasm/datafile/xff.256.754899605
6 rows selected.
SQL> select count(*) from hr.a;
COUNT(*)
----------
1580
