Oracle单实例下oracle数据库从文件系统迁移到ASM上

第一步：启动ASM实例(+ASM)[oracle@oracle ~]$ export ORACLE_SID=+ASM[oracle@oracle ~]$ sqlplus / as sysdbaSQL*Plus: Release 10.2.0.5.0 - Production on Tue Jan 18 13:25:46 2011 Copyright (c) 1982, 2010, Oracle. All Rights Reserved. Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - Production With the Partitioning, OLAP, Data Mining and Real Application Testing optionsSQL> select instance_name,status from v$instance;ASM实例已经启动INSTANCE_NAME STATUS---------------- ------------+ASM STARTEDSQL> select instance_name,db_name,status from v$asm_client;ASM实例上没有数据库连接no rows selectedSQL> select name,state from v$asm_diskgroup;ASM磁盘组已经挂载NAME STATE------------------------------ -----------DG MOUNTED第二步，修改目标数据库(WM)的参数文件(spfile)[oracle@oracle ~]$ echo $ORACLE_SID WM[oracle@oracle ~]$ sqlplus / as sysdbaSQL*Plus: Release 10.2.0.5.0 - Production on Tue Jan 18 13:33:59 2011 Copyright (c) 1982, 2010, Oracle. All Rights Reserved. Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - Production With the Partitioning, OLAP, Data Mining and Real Application Testing optionsSQL> show parameter control_files;NAME TYPE VALUE------------------------------------ ----------- ------------------------------control_files string /u01/app/oracle/oradata/WM/conrol01.ctl, /u01/app/oracle/or adata/WM/control02.ctl, /u01/app/oracle/oradata/WM/control03.ctlSQL> show parameter db_create_file_dest;NAME TYPE VALUE------------------------------------ ----------- ------------------------------db_create_file_dest stringSQL> create pfile from spfile;File created.SQL> alter system set control_files='+DG' scope=spfile;在spfile中把控制文件的路径修改为ASM磁盘组System altered.SQL> alter system set db_create_file_dest='+DG' scope=spfile;同上，修改数据文件的创建路径System altered.SQL> shutdown immediate; Database closed. Database dismounted. ORACLE instance shut down.第三步，利用RMAN迁移目标数据库(WM)的控制文件和数据文件[oracle@oracle ~]$ rman target /Recovery Manager: Release 10.2.0.5.0 - Production on Tue Jan 18 13:38:22 2011 Copyright (c) 1982, 2007, Oracle. All rights reserved. connected to target database (not started)RMAN> startup nomount;Oracle instance started Total System Global Area 285212672 bytes Fixed Size 1273276 bytesVariable Size 92275268 bytes Database Buffers 188743680 bytes Redo Buffers 2920448 bytesRMAN> restore controlfile from '/u01/app/oracle/oradata/WM/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DG上Starting restore at 18-JAN-11 using target database control file instead of recovery catalog allocated channel: ORA_DISK_1 channel ORA_DISK_1: sid=156 devtype=DISKchannel ORA_DISK_1: copied control file copy output filename=+DG/wm/controlfile/current.256.740756507 Finished restore at 18-JAN-11RMAN> alter database mount;database mounted released channel: ORA_DISK_1RMAN> run{ allocate channel c1 device type disk; allocate channel c2 device type disk; backup as copy database format '+DG';} 利用RMAN复制数据文件到ASM磁盘组DG上allocated channel: c1 channel c1: sid=156 devtype=DISKallocated channel: c2 channel c2: sid=152 devtype=DISKStarting backup at 18-JAN-11 channel c1: starting datafile copy input datafile fno=00001 name=/u01/app/oracle/oradata/WM/system01.dbf channel c2: starting datafile copy input datafile fno=00003 name=/u01/app/oracle/oradata/WM/sysaux01.dbf output filename=+DG/wm/datafile/sysaux.258.740756731 tag=TAG20110118T134523 recid=2 stamp=740757197 channel c2: datafile copy complete, elapsed time: 00:07:58channel c2: starting datafile copy input datafile fno=00005 name=/u01/app/oracle/oradata/WM/example01.dbf output filename=+DG/wm/datafile/system.257.740756727 tag=TAG20110118T134523 recid=3 stamp=740757268 channel c1: datafile copy complete, elapsed time: 00:09:09 channel c1: starting datafile copy input datafile fno=00002 name=/u01/app/oracle/oradata/WM/undotbs01.dbf output filename=+DG/wm/datafile/example.259.740757205 tag=TAG20110118T134523 recid=4 stamp=740757287 channel c2: datafile copy complete, elapsed time: 00:01:30channel c2: starting datafile copy input datafile fno=00004 name=/u01/app/oracle/oradata/WM/users01.dbf output filename=+DG/wm/datafile/undotbs1.260.740757277 tag=TAG20110118T134523 recid=6 stamp=740757304channel c1: datafile copy complete, elapsed time: 00:00:32 output filename=+DG/wm/datafile/users.261.740757299 tag=TAG20110118T134523 recid=5 stamp=740757303 channel c2: datafile copy complete, elapsed time: 00:00:12Finished backup at 18-JAN-11Starting Control File and SPFILE Autobackup at 18-JAN-11 piece handle=/u01/app/oracle/flash_recovery_area/WM/autobackup/2011_01_18/o1_mf_s_737250559_6mbbsvw6_.bkp comment=NONE Finished Control File and SPFILE Autobackup at 18-JAN-11 released channel: c1 released channel: c2RMAN> 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 "+DG/wm/datafile/system.257.740756727" datafile 2 switched to datafile copy "+DG/wm/datafile/undotbs1.260.740757277" datafile 3 switched to datafile copy "+DG/wm/datafile/sysaux.258.740756731" datafile 4 switched to datafile copy "+DG/wm/datafile/users.261.740757299" datafile 5 switched to datafile copy "+DG/wm/datafile/example.259.740757205"RMAN> recover database;Starting recover at 18-JAN-11 allocated channel: ORA_DISK_1 channel ORA_DISK_1: sid=156 devtype=DISKstarting media recovery media recovery complete, elapsed time: 00:00:01Finished recover at 18-JAN-11RMAN> alter database open;database opened第四步，迁移tempfile到ASM磁盘组DG上[oracle@oracle ~]$ sqlplus / as sysdbaSQL*Plus: Release 10.2.0.5.0 - Production on Tue Jan 18 14:01:09 2011 Copyright (c) 1982, 2010, Oracle. All Rights Reserved. Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - Production With the Partitioning, OLAP, Data Mining and Real Application Testing optionsSQL> select instance_name,status from v$instance;INSTANCE_NAME STATUS---------------- ------------WM OPENSQL> select name,status,enabled from v$tempfile;NAME STATUS ENABLED---------------------------------------- ------- ----------/u01/app/oracle/oradata/WM/temp01.dbf ONLINE READ WRITESQL> alter tablespace temp add tempfile '+DG';Tablespace altered.SQL> alter tablespace temp drop tempfile '/u01/app/oracle/oradata/WM/temp01.dbf';Tablespace altered.SQL> select name,status,enabled from v$tempfile;NAME STATUS ENABLED---------------------------------------- ------- ----------+DG/wm/tempfile/temp.262.740757907 ONLINE READ WRITE第五步，迁移redo logfile到ASM磁盘组DG上SQL> select l.group#,l.sequence#,f.member as name,l.status,l.archived from v$log l,v$logfile f where f.group#=l.group#; GROUP# SEQUENCE# NAME STATUS ARC---------- ---------- ---------------------------------------- ---------------- --- 3 6 /u01/app/oracle/oradata/WM/redo03.log CURRENT NO 2 5 /u01/app/oracle/oradata/WM/redo02.log INACTIVE YES 1 4 /u01/app/oracle/oradata/WM/redo01.log INACTIVE YESSQL> alter database add logfile '+DG' size 10M;Database altered.SQL> alter database add logfile '+DG' size 10M;Database altered.SQL> alter database add logfile '+DG' size 10M; 添加三个redolog组到ASM磁盘组DG上Database altered.SQL> select l.group#,l.sequence#,f.member as name,l.status,l.archived from v$log l,v$logfile f where f.group#=l.group#; GROUP# SEQUENCE# NAME STATUS ARC---------- ---------- ---------------------------------------- ---------------- --- 3 6 /u01/app/oracle/oradata/WM/redo03.log CURRENT NO 2 5 /u01/app/oracle/oradata/WM/redo02.log INACTIVE YES 1 4 /u01/app/oracle/oradata/WM/redo01.log INACTIVE YES 4 0 +DG/wm/onlinelog/group_4.263.740758405 UNUSED YES 5 0 +DG/wm/onlinelog/group_5.264.740758423 UNUSED YES 6 0 +DG/wm/onlinelog/group_6.265.740758425 UNUSED YES6 rows selected. SQL> alter database drop logfile '/u01/app/oracle/oradata/WM/redo02.log';Database altered.SQL> alter database drop logfile '/u01/app/oracle/oradata/WM/redo01.log';删除文件系统上的redolog组Database altered.SQL> select l.group#,l.sequence#,f.member as name,l.status,l.archived from v$log l,v$logfile f where f.group#=l.group#; GROUP# SEQUENCE# NAME STATUS ARC---------- ---------- ---------------------------------------- ---------------- --- 3 6 /u01/app/oracle/oradata/WM/redo03.log CURRENT NO 4 0 +DG/wm/onlinelog/group_4.263.740758405 UNUSED YES 5 0 +DG/wm/onlinelog/group_5.264.740758423 UNUSED YES 6 0 +DG/wm/onlinelog/group_6.265.740758425 UNUSED YESSQL> alter system switch logfile;System altered.SQL> select l.group#,l.sequence#,f.member as name,l.status,l.archived from v$log l,v$logfile f where f.group#=l.group#; GROUP# SEQUENCE# NAME STATUS ARC---------- ---------- ---------------------------------------- ---------------- --- 3 6 /u01/app/oracle/oradata/WM/redo03.log ACTIVE NO 4 7 +DG/wm/onlinelog/group_4.263.740758405 CURRENT NO 5 0 +DG/wm/onlinelog/group_5.264.740758423 UNUSED YES 6 0 +DG/wm/onlinelog/group_6.265.740758425 UNUSED YESSQL> alter system checkpoint;System altered.SQL> select l.group#,l.sequence#,f.member as name,l.status,l.archived from v$log l,v$logfile f where f.group#=l.group#; GROUP# SEQUENCE# NAME STATUS ARC---------- ---------- ---------------------------------------- ---------------- --- 3 6 /u01/app/oracle/oradata/WM/redo03.log INACTIVE NO 4 7 +DG/wm/onlinelog/group_4.263.740758405 CURRENT NO 5 0 +DG/wm/onlinelog/group_5.264.740758423 UNUSED YES 6 0 +DG/wm/onlinelog/group_6.265.740758425 UNUSED YESSQL> alter database drop logfile group 3;Database altered.SQL> select l.group#,l.sequence#,f.member as name,l.status,l.archived from v$log l,v$logfile f where f.group#=l.group#; GROUP# SEQUENCE# NAME STATUS ARC---------- ---------- ---------------------------------------- ---------------- --- 4 7 +DG/wm/onlinelog/group_4.263.740758405 CURRENT NO 5 0 +DG/wm/onlinelog/group_5.264.740758423 UNUSED YES 6 0 +DG/wm/onlinelog/group_6.265.740758425 UNUSED YESSQL> alter system switch logfile;System altered.SQL> alter system switch logfile;System altered.SQL> select l.group#,l.sequence#,f.member as name,l.status,l.archived from v$log l,v$logfile f where f.group#=l.group#; GROUP# SEQUENCE# NAME STATUS ARC---------- ---------- ---------------------------------------- ---------------- --- 4 7 +DG/wm/onlinelog/group_4.263.740758405 ACTIVE NO 5 8 +DG/wm/onlinelog/group_5.264.740758423 ACTIVE NO 6 9 +DG/wm/onlinelog/group_6.265.740758425 CURRENT NO第六步，删除文件系统上的数据文件[oracle@oracle oradata]$ cd $ORACLE_BASE/oradata[oracle@oracle oradata]$ ls WM[oracle@oracle oradata]$ rm -rf WM/[oracle@oracle oradata]$ ls