DB遷移RAC環境
DB資料庫遷移到rac環境
資料庫的版本均為11.2.0.2
作業系統均為OEL5.5 64位
一：目標資料庫準備工作，rman備份的異機恢復要求資料庫名要一致。
[oracle@db1 ~]$ srvctl stop database -d orcl
[oracle@db1 ~]$ srvctl remove database -d orcl
Remove the database racdb? (y/[n]) y
[oracle@db1 ~]$ crs_stat -t -v
Name Type R/RA F/FT Target State Host
----------------------------------------------------------------------
ora....SM1.asm application 0/5 0/0 ONLINE ONLINE db1
ora....C1.lsnr application 0/5 0/0 ONLINE ONLINE db1
ora.db1.gsd application 0/5 0/0 ONLINE ONLINE db1
ora.db1.ons application 0/3 0/0 ONLINE ONLINE db1
ora.db1.vip application 0/0 0/0 ONLINE ONLINE db1
ora....SM2.asm application 0/5 0/0 ONLINE ONLINE rac2
ora....C2.lsnr application 0/5 0/0 ONLINE ONLINE rac2
ora.rac2.gsd application 0/5 0/0 ONLINE ONLINE rac2
ora.rac2.ons application 0/3 0/0 ONLINE ONLINE rac2
ora.rac2.vip application 0/0 0/0 ONLINE ONLINE rac2
節點2上同樣需要修改/etc/oratab檔案
[root@db1 ~]# tail -n 1 /etc/oratab
+ASM1:/app/oracle/product/10.2.0/db_1:N
[oracle@db1 ~]$ export ORACLE_SID=+ASM1
[oracle@db1 ~]$ asmcmd
ASMCMD> rm -rf +ORADATA/ORCL
ASMCMD> rm -rf +ORAFRA/ORCL
[oracle@db1 ~]$ sqlplus /nolog
SQL*Plus: Release 10.2.0.5.0 - Production on Tue Jan 3 12:43:13 2012
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
SQL> conn /as sysdba
Connected.
SQL> col state format a10
SQL> col name format a15
SQL> col failgroup format a20
SQL> set line 200
SQL> select state,redundancy,total_mb,free_mb,name,failgroup from v$asm_disk;
STATE REDUNDANCY TOTAL_MB FREE_MB NAME FAILGROUP
---------- --------------------- ---------- ---------- --------------- --------------------
NORMAL UNKNOWN 286 0
NORMAL UNKNOWN 286 0
NORMAL UNKNOWN 286 0
NORMAL UNKNOWN 286 0
NORMAL UNKNOWN 286 0
NORMAL UNKNOWN 10208 10114 FRA_0000 FRA_0000
NORMAL UNKNOWN 9537 9443 DATA_0001 DATA_0001
NORMAL UNKNOWN 9537 9443 DATA_0000 DATA_0000
8 rows selected.
備註：前5個磁碟分別為表決盤和ocr，oradata磁碟組做了normal冗餘
SQL> select group_number,name,state,type,total_mb,free_mb,unbalanced from v$asm_diskgroup;
GROUP_NUMBER NAME STATE TYPE TOTAL_MB FREE_MB UNB
------------ --------------- ---------- ------------------ ---------- ---------- ---
1 ORADATA MOUNTED NORMAL 19074 18886 N
2 ORAFRA MOUNTED EXTERN 10208 10114 N
二：在源庫上使用rman進行全庫備份，並將備份複製到目標資料庫上
[oracle@server49 ~]$ rman target /
Recovery Manager: Release 10.2.0.5.0 - Production on Tue Jan 3 12:10:06 2012
Copyright (c) 1982, 2007, Oracle. All rights reserved.
connected to target database: ORCL (DBID=1299224612)
RMAN> backup incremental level 0
2> format '/home/oracle/rman_bak/orcl_%U'
3> database plus archivelog
4> delete all input;
RMAN> backup current controlfile format '/home/oracle/rman_bak/migrate.ctl';
RMAN> list backup of database summary;
List of Backups
===============
Key TY LV S Device Type Completion Time #Pieces #Copies Compressed Tag
------- -- -- - ----------- --------------- ------- ------- ---------- ---
2 B 0 A DISK 03-JAN-12 1 1 NO TAG20120103T121503
[oracle@server49 ~]$ scp -rp /home/oracle/rman_bak/ db1:/home/oracle/
三：在目標資料庫上執行恢復
4.1 修改初始化引數檔案如下
[oracle@db1 ~]$ cat /home/oracle/initorcl.ora
*.audit_file_dest='/app/oracle/admin/crds3db/adump'
*.audit_trail='NONE'
*.cluster_database=true
*.compatible='11.2.0.0.0'
*.control_file_record_keep_time=15
*.control_files='+ORADATA/orcl/controlfile/current.256.805286085','+ORAAR/orcl/controlfile/current.256.805286085'
*.db_block_size=16384
*.db_create_file_dest='+ORADATA'
*.db_create_online_log_dest_1='+ORADATA'
*.db_create_online_log_dest_2='+ORAAR'
*.db_domain=''
*.db_file_name_convert='/orasjrz/orcl/oradata/datafile','+ORADATA/orcl/datafile','/orasjrz/orcl/oradata/tempfile','+ORADATA/crds3db/tempfile'
*.db_name='s3db'
*.deferred_segment_creation=FALSE
*.diagnostic_dest='/app/oracle'
*.dispatchers='(PROTOCOL=TCP) (SERVICE=crds3dbXDB)'
*.fal_client='primary'
*.fal_server='standby'
*.fast_start_mttr_target=1800
crds3db2.instance_number=2
crds3db1.instance_number=1
*.log_archive_config='DG_CONFIG=(3db,3dbdg)'
*.log_archive_dest_1=' LOCATION=+ORAARCH VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=3db'
*.log_archive_dest_2='SERVICE=standby LGWR ASYNC VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE) DB_UNIQUE_NAME=dbdg'
*.log_archive_dest_state_1='ENABLE'
*.log_archive_dest_state_2='ENABLE'
*.log_archive_format='%t_%s_%r.arc'
*.log_file_name_convert='/orasjrz/orcl/oradata/onlinelog1','+ORADATA/orcl/onlinelog','/orasjrz/orcl/oradata/onlinelog2','+ORAARCH/crds3db/onlinelog'
*.memory_target=10737418240
*.nls_language='SIMPLIFIED CHINESE'
*.nls_territory='CHINA'
*.open_cursors=300
*.processes=1000
*.remote_listener='his-scan:1521'
*.remote_login_passwordfile='exclusive'
*.sessions=1105
*.standby_file_management='AUTO'
crds3db2.thread=2
crds3db1.thread=1
crds3db2.undo_tablespace='UNDOTBS2'
crds3db1.undo_tablespace='UNDOTBS1'
*.utl_file_dir='/home/oracle/'
備註：需要格外注意的是，這個時候不能加orcl2.thread=2引數，否則後面無法將資料庫啟動到mount狀態
4.2 建立相關的目錄，兩個節點上都應該存在相應的目錄和密碼檔案
[oracle@db1 ~]$ mkdir -p /u01/app/oracle/admin/orcl/{adump,bdump,cdump,udump}
[oracle@db1 ~]$ cd $ORACLE_HOME/dbs
[oracle@db1 dbs]$ echo 'spfile=+DATA/ORCL/PARAMETERFILE/spfileorcl.ora' > initorcl1.ora
[oracle@db1 dbs]$ orapwd file=orapworcl1 password=123456
[oracle@rac2 ~]$ cd $ORACLE_HOME/dbs
[oracle@rac2 dbs]$ echo 'spfile=+DATA/ORCL/PARAMETERFILE/spfileorcl.ora' > initorcl2.ora
[oracle@rac2 dbs]$ orapwd file=orapworcl1 password=123456
4.3 利用pfile生成spfile，並儲存在ASM例項上，ASM磁碟組中需要存在相應的目錄，否則將報錯！
[oracle@db1 ~]$ export ORACLE_SID=orcl1
[oracle@db1 ~]$ sqlplus /nolog
SQL*Plus: Release 10.2.0.5.0 - Production on Tue Jan 3 13:00:10 2012
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
SQL> conn /as sysdba
Connected to an idle instance.
SQL> startup nomount pfile='/home/oracle/rman_bak/initorcl.ora';
ORACLE instance started.
Total System Global Area 213909504 bytes
Fixed Size 2095152 bytes
Variable Size 125831120 bytes
Database Buffers 79691776 bytes
Redo Buffers 6291456 bytes
SQL> create spfile='+DATA/ORCL/PARAMETERFILE/spfileorcl.ora' from pfile='/home/oracle/rman_bak/initorcl.ora';
File created.
ASMCMD> pwd
+ORADATA/ORCL/PARAMETERFILE
ASMCMD> ls
spfileorcl.ora
SQL> shutdown abort;
ORACLE instance shut down.
4.4 將節點1資料庫啟動到nomount狀態，恢復控制檔案，重新將資料庫啟動到mount狀態
[oracle@db1 ~]$ sqlplus /nolog
SQL*Plus: Release 10.2.0.5.0 - Production on Tue Jan 3 13:09:48 2012
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
SQL> conn /as sysdba
Connected to an idle instance.
SQL> startup nomount
ORACLE instance started.
Total System Global Area 213909504 bytes
Fixed Size 2095152 bytes
Variable Size 125831120 bytes
Database Buffers 79691776 bytes
Redo Buffers 6291456 bytes
[oracle@db1 ~]$ rman target /
Recovery Manager: Release 10.2.0.5.0 - Production on Tue Jan 3 13:15:05 2012
Copyright (c) 1982, 2007, Oracle. All rights reserved.
connected to target database: orcl (not mounted)
RMAN> restore controlfile from '/home/oracle/rman_bak/migrate.ctl';
Starting restore at 2012-01-03 13:15:11
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=153 instance=orcl1 devtype=DISK
channel ORA_DISK_1: restoring control file
channel ORA_DISK_1: restore complete, elapsed time: 00:00:08
output filename=+DATA/orcl/controlfile/control01.ctl
output filename=+FRA/orcl/controlfile/control02.ctl
Finished restore at 2012-01-03 13:15:19
[oracle@db1 ~]$ export ORACLE_SID=+ASM1
[oracle@db1 ~]$ asmcmd
ASMCMD> pwd
+ORADATA/orcl/controlfile
ASMCMD> ls
control01.ctl
current.263.771599715
ASMCMD> cd +fra/orcl/controlfile
ASMCMD> ls
control02.ctl
current.260.771599717
SQL> shutdown abort
ORACLE instance shut down.
SQL> startup mount
ORACLE instance started.
Total System Global Area 213909504 bytes
Fixed Size 2095152 bytes
Variable Size 125831120 bytes
Database Buffers 79691776 bytes
Redo Buffers 6291456 bytes
Database mounted.
SQL> select host_name,status,thread# from gv$instance;
HOST_NAME STATUS THREAD#
-------------------- -------------------- ----------
db1 MOUNTED 1
4.5 使用rman進行資料庫恢復操作
[oracle@db1 ~]$ rman target /
Recovery Manager: Release 10.2.0.5.0 - Production on Tue Jan 3 17:29:22 2012
Copyright (c) 1982, 2007, Oracle. All rights reserved.
connected to target database: ORCL (DBID=1299224612, not open)
RMAN> run {
2> set newname for datafile 1 to '+ORADATA/orcl/datafile/system01.dbf';
3> set newname for datafile 2 to '+ORADATA/orcl/datafile/undotbs01.dbf';
4> set newname for datafile 3 to '+ORADATA/orcl/datafile/sysaux01.dbf';
5> set newname for datafile 4 to '+ORADATA/orcl/datafile/users01.dbf';
6> set newname for datafile 5 to '+ORADATA/orcl/datafile/example01.dbf';
7> set newname for datafile 6 to '+ORADATA/orcl/datafile/exp_rac01.dbf';
8> set newname for datafile 7 to '+ORADATA/orcl/datafile/exp_rac_index01.dbf';
9> set newname for datafile 8 to '+ORADATA/orcl/datafile/exp_db1_01.dbf';
10> set newname for datafile 9 to '+ORADATA/orcl/datafile/exp_db1_index_01.dbf';
11> set newname for tempfile 1 to '+ORADATA/orcl/tempfile/temp01.dbf';
12> restore database;
13> switch datafile all;
14> switch tempfile all;
15> }
RMAN> report schema;
RMAN-06139: WARNING: control file is not current for REPORT SCHEMA
Report of database schema
List of Permanent Datafiles
===========================
File Size(MB) Tablespace RB segs Datafile Name
---- -------- -------------------- ------- ------------------------
1 440 SYSTEM *** +ORADATA/orcl/datafile/system01.dbf
2 30 UNDOTBS1 *** +ORADATA/orcl/datafile/undotbs01.dbf
3 250 SYSAUX *** +ORADATA/orcl/datafile/sysaux01.dbf
4 5 USERS *** +ORADATA/orcl/datafile/users01.dbf
5 100 EXAMPLE *** +ORADATA/orcl/datafile/example01.dbf
6 410 EXP_RAC *** +ORADATA/orcl/datafile/exp_rac01.dbf
7 300 EXP_RAC_INDEX *** +ORADATA/orcl/datafile/exp_rac_index01.dbf
8 300 EXP_db1 *** +ORADATA/orcl/datafile/exp_db1_01.dbf
9 300 EXP_db1_INDEX *** +ORADATA/orcl/datafile/exp_db1_index_01.dbf
List of Temporary Files
=======================
File Size(MB) Tablespace Maxsize(MB) Tempfile Name
---- -------- -------------------- ----------- --------------------
1 0 TEMP 32767 +ORADATA/orcl/tempfile/temp01.dbf
ASMCMD> pwd
+oradata/orcl/datafile
ASMCMD> ls
EXAMPLE.268.771620011
EXP_RAC.260.771620003
EXP_db1.262.771620007
EXP_db1_INDEX.266.771620007
EXP_RAC_INDEX.261.771620003
SYSAUX.267.771620009
SYSTEM.297.771619999
UNDOTBS1.305.771620015
USERS.309.771620065
example01.dbf
exp_rac01.dbf
exp_db1_01.dbf
exp_db1_index_01.dbf
exp_rac_index01.dbf
sysaux01.dbf
system01.dbf
undotbs01.dbf
users01.dbf
RMAN> recover database;
Starting recover at 2012-01-03 18:59:41
using channel ORA_DISK_1
starting media recovery
channel ORA_DISK_1: starting archive log restore to default destination
channel ORA_DISK_1: restoring archive log
archive log thread=1 sequence=20
channel ORA_DISK_1: reading from backup piece /home/oracle/rman_bak/orcl_09mvru2e_1_1
channel ORA_DISK_1: restored backup piece 1
piece handle=/home/oracle/rman_bak/orcl_09mvru2e_1_1 tag=TAG20120103T183453
channel ORA_DISK_1: restore complete, elapsed time: 00:00:02
archive log filename=+FRA/orcl/archivelog/1_20_771443882.arc thread=1 sequence=20
unable to find archive log
archive log thread=1 sequence=21
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of recover command at 01/03/2012 18:59:47
RMAN-06054: media recovery requesting unknown log: thread 1 seq 21 lowscn 479325
4.6 對線上重做日誌檔案進行更名，新增thread 2日誌組
SQL> select group#,member from v$logfile;
GROUP# MEMBER
---------- ----------------------------------------
3 /app/oracle/oradata/orcl/redo03.log
2 /app/oracle/oradata/orcl/redo02.log
1 /app/oracle/oradata/orcl/redo01.log
SQL> alter database rename file '/app/oracle/oradata/orcl/redo01.log' to '+ORADATA/onlinelog/redo01.dbf';
Database altered.
SQL> alter database rename file '/app/oracle/oradata/orcl/redo02.log' to '+ORADATA/onlinelog/redo02.dbf';
Database altered.
SQL> alter database rename file '/app/oracle/oradata/orcl/redo03.log' to '+ORADATA/onlinelog/redo03.dbf';
Database altered.
SQL> alter database add logfile thread 2 group 4 '+ORADATA' size 50M;
Database altered.
SQL> alter database add logfile thread 2 group 5 '+ORADATA' size 50M;
Database altered.
SQL> alter database add logfile thread 2 group 6 '+ORADATA' size 50M;
Database altered.
SQL> select thread#,bytes/(1024*1024),status from v$log;
THREAD# BYTES/(1024*1024) STATUS
---------- ----------------- ------------------------------------------------
1 50 INACTIVE
1 50 ACTIVE
1 50 CURRENT
2 50 UNUSED
2 50 UNUSED
2 50 UNUSED
6 rows selected.
4.7 使用open resetlogs方式開啟資料庫
SQL> recover database using backup controlfile until cancel;
ORA-00279: change 479325 generated at 01/03/2012 18:34:52 needed for thread 1
ORA-00289: suggestion : +FRA/orcl/archivelog/1_21_771443882.arc
ORA-00280: change 479325 for thread 1 is in sequence #21
Specify log: {
cancel
Media recovery cancelled.
SQL> alter database open resetlogs;
Database altered.
SQL> select open_mode,name from gv$database;
OPEN_MODE NAME
------------------------------ ---------------------------
READ WRITE ORCL
SQL> select comp_name,version,status from dba_registry;
COMP_NAME VERSION STATUS
------------------------------ -------------------- --------------------
Oracle Database Catalog Views 10.2.0.5.0 VALID
Oracle Database Packages and T 10.2.0.5.0 VALID
ypes
Oracle Workspace Manager 10.2.0.5.0 VALID
JServer JAVA Virtual Machine 10.2.0.5.0 VALID
Oracle XDK 10.2.0.5.0 VALID
Oracle Database Java Packages 10.2.0.5.0 VALID
Oracle Expression Filter 10.2.0.5.0 VALID
Oracle Data Mining 10.2.0.5.0 VALID
Oracle Text 10.2.0.5.0 VALID
COMP_NAME VERSION STATUS
------------------------------ -------------------- --------------------
Oracle XML Database 10.2.0.5.0 VALID
Oracle Rules Manager 10.2.0.5.0 VALID
Oracle interMedia 10.2.0.5.0 VALID
OLAP Analytic Workspace 10.2.0.5.0 VALID
Oracle OLAP API 10.2.0.5.0 VALID
OLAP Catalog 10.2.0.5.0 VALID
Spatial 10.2.0.5.0 VALID
Oracle Enterprise Manager 10.2.0.5.0 VALID
4.8 修改相關的初始化引數，建立undotbs2表空間，啟用thread 2日誌組
SQL> alter system set thread=1 scope=spfile sid='orcl1';
System altered.
SQL> alter system set thread=2 scope=spfile sid='orcl2';
System altered.
SQL> select bytes/(1024*1024) MB from dba_data_files where tablespace_name='UNDOTBS1';
MB
----------
30
SQL> create undo tablespace undotbs2 datafile '+DATA/ORCL/DATAFILE/undotbs02.dbf' size 1024M;
Tablespace created.
SQL> alter system set undo_tablespace=undotbs2 sid='orcl2';
System altered.
SQL> alter database enable thread 2;
Database altered.
4.9 重新啟動節點1資料庫例項後，再啟動節點2資料庫例項；並驗證結果
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.
Total System Global Area 213909504 bytes
Fixed Size 2095152 bytes
Variable Size 125831120 bytes
Database Buffers 79691776 bytes
Redo Buffers 6291456 bytes
Database mounted.
Database opened.
SQL> select instance_number,instance_name,host_name ,status from gv$instance;
INSTANCE_NUMBER INSTANCE_NAME HOST_NAME STATUS
--------------- -------------------- -------------------- --------------------
1 orcl1 db1 OPEN
2 orcl2 db2 OPEN
SQL> select * from test1.migrate;
A
------------------------------------------------------------
successful
SQL> col file_name format a40
SQL> col tablespace_name format a20
SQL> select file_id,file_name,tablespace_name from dba_data_files order by 1;
FILE_ID FILE_NAME TABLESPACE_NAME
---------- ---------------------------------------- --------------------
1 +ORADATA/orcl/datafile/system01.dbf SYSTEM
2 +ORADATA/orcl/datafile/undotbs01.dbf UNDOTBS1
3 +ORADATA/orcl/datafile/sysaux01.dbf SYSAUX
4 +ORADATA/orcl/datafile/users01.dbf USERS
5 +ORADATA/orcl/datafile/example01.dbf EXAMPLE
6 +ORADATA/orcl/datafile/exp_rac01.dbf EXP_RAC
7 +ORADATA/orcl/datafile/exp_rac_index01.dbf EXP_RAC_INDEX
8 +ORADATA/orcl/datafile/exp_db1_01.dbf EXP_db1
9 +ORADATA/orcl/datafile/exp_db1_index_01.db EXP_db1_INDEX
f
FILE_ID FILE_NAME TABLESPACE_NAME
---------- ---------------------------------------- --------------------
10 +ORADATA/orcl/datafile/undotbs02.dbf UNDOTBS2
五：收尾工作
重新整理資料字典
SQL> @$ORACLE_HOME/rdbms/admin/catclust.sql;
[oracle@db1 ~]$ crs_stat -t -v
Name Type R/RA F/FT Target State Host
----------------------------------------------------------------------
ora....SM1.asm application 0/5 0/0 ONLINE ONLINE db1
ora....C1.lsnr application 0/5 0/0 ONLINE ONLINE db1
ora.db1.gsd application 0/5 0/0 ONLINE ONLINE db1
ora.db1.ons application 0/3 0/0 ONLINE ONLINE db1
ora.db1.vip application 0/0 0/0 ONLINE ONLINE db1
ora....SM2.asm application 0/5 0/0 ONLINE ONLINE rac2
ora....C2.lsnr application 0/5 0/0 ONLINE ONLINE rac2
ora.rac2.gsd application 0/5 0/0 ONLINE ONLINE rac2
ora.rac2.ons application 0/3 0/0 ONLINE ONLINE rac2
ora.rac2.vip application 0/0 0/0 ONLINE ONLINE rac2
新增資料庫
[oracle@db1 ~]$ srvctl add database -d orcl -o $ORACLE_HOME
向資料新增例項1、2
[oracle@db1 ~]$ srvctl add instance -d orcl -i orcl1 -n db1
[oracle@db1 ~]$ srvctl add instance -d orcl -i orcl2 -n rac2
[oracle@db1 ~]$ srvctl stop database -d orcl
[oracle@db1 ~]$ srvctl start database -d orcl
[oracle@db1 ~]$ crs_stat -t -v
Name Type R/RA F/FT Target State Host
----------------------------------------------------------------------
ora.orcl.db application 0/0 0/1 ONLINE ONLINE db1
ora....l1.inst application 0/5 0/0 ONLINE ONLINE db1
ora....l2.inst application 0/5 0/0 ONLINE ONLINE rac2
ora....SM1.asm application 0/5 0/0 ONLINE ONLINE db1
ora....C1.lsnr application 0/5 0/0 ONLINE ONLINE db1
ora.db1.gsd application 0/5 0/0 ONLINE ONLINE db1
ora.db1.ons application 0/3 0/0 ONLINE ONLINE db1
ora.db1.vip application 0/0 0/0 ONLINE ONLINE db1
ora....SM2.asm application 0/5 0/0 ONLINE ONLINE rac2
ora....C2.lsnr application 0/5 0/0 ONLINE ONLINE rac2
ora.rac2.gsd application 0/5 0/0 ONLINE ONLINE rac2
ora.rac2.ons application 0/3 0/0 ONLINE ONLINE rac2
ora.rac2.vip application 0/0 0/0 ONLINE ONLINE rac2
來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/29065182/viewspace-1082343/，如需轉載，請註明出處，否則將追究法律責任。
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