序言：

DATAGUARD是通过建立一个PRIMARY和STANDBY组来确立其参照关系；STANDBY一旦创建，DATAGUARD就会通过将主数据库(PRIMARY)的REDO传递给STANDBY数据库，然后在STANDBY中应用REDO实现数据库的同步。

1、安装环境

项目列表primary库standby库操作系统：

都是centos6.4

都是centos6.4

oracle软件版本：

oracle 11.2.0.1.0

oracle 11.2.0.1.0

IP地址：

192.168.121.217

192.168.121.218

db_unique_name：

pdunq

pdunq_dg

?

2.3 准备参数文件

2.3.2 修改pfile

[oracle@powerlong5 ~]$ rman target sys/syspl1758@PD1 auxiliary /

Recovery Manager: Release 11.2.0.1.0 - Production on Sat Feb 7 19:08:16 2015

Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.

connected to target database: POWERDES (DBID=3391761643)

connected to auxiliary database: POWERDES (not mounted)

RMAN> run {

allocate auxiliary channel c1 device type disk;

allocate auxiliary channel c2 device type disk;

duplicate target database for standby nofilenamecheck dorecover;

release channel c1;

release channel c2;

}

2> 3> 4> 5> 6> 7>

using target database control file instead of recovery catalog

allocated channel: c1

channel c1: SID=767 device type=DISK

allocated channel: c2

channel c2: SID=1150 device type=DISK

Starting Duplicate Db at 07-FEB-15

contents of Memory Script:

{

set until scn 10903678943;

restore clone standby controlfile;

}

executing Memory Script

executing command: SET until clause

Starting restore at 07-FEB-15

channel c1: starting datafile backup set restore

channel c1: restoring control file

channel c1: reading from backup piece /oracle/app/oracle/flash_recovery_area/PDUNQ/backupset/2015_02_07/o1_mf_ncsnf_TAG20150207T182252_bfct20tb_.bkp

channel c1: piece handle=/oracle/app/oracle/flash_recovery_area/PDUNQ/backupset/2015_02_07/o1_mf_ncsnf_TAG20150207T182252_bfct20tb_.bkp tag=TAG20150207T182252

channel c1: restored backup piece 1

channel c1: restore complete, elapsed time: 00:00:01

output file name=/oracle/data_ora/powerdes/control01.ctl

output file name=/oracle/app/oracle/flash_recovery_area/powerdes/control02.ctl

Finished restore at 07-FEB-15

contents of Memory Script:

{

sql clone 'alter database mount standby database';

}

executing Memory Script

sql statement: alter database mount standby database

contents of Memory Script:

{

set until scn 10903678943;

set newname for datafile 1 to

"/home/oradata/pwerdes/system01.dbf";

set newname for datafile 2 to

"/home/oradata/pwerdes/sysaux01.dbf";

set newname for datafile 3 to

"/home/oradata/pwerdes/undotbs01.dbf";

set newname for datafile 4 to

"/home/oradata/pwerdes/users01.dbf";

set newname for datafile 6 to

"/home/oradata/pwerdes/plas01.dbf";

set newname for datafile 7 to

"/home/oradata/pwerdes/pl01.dbf";

set newname for datafile 8 to

"/home/oradata/pwerdes/help01.dbf";

set newname for datafile 9 to

"/home/oradata/pwerdes/adobelc01.dbf";

set newname for datafile 10 to

"/home/oradata/pwerdes/sms01.dbf";

restore

clone database

;

}

executing Memory Script

executing command: SET until clause

executing command: SET NEWNAME

executing command: SET NEWNAME

executing command: SET NEWNAME

executing command: SET NEWNAME

executing command: SET NEWNAME

executing command: SET NEWNAME

executing command: SET NEWNAME

executing command: SET NEWNAME

executing command: SET NEWNAME

Starting restore at 07-FEB-15

channel c1: starting datafile backup set restore

channel c1: specifying datafile(s) to restore from backup set

channel c1: restoring datafile 00001 to /home/oradata/pwerdes/system01.dbf

channel c1: restoring datafile 00002 to /home/oradata/pwerdes/sysaux01.dbf

channel c1: restoring datafile 00003 to /home/oradata/pwerdes/undotbs01.dbf

channel c1: restoring datafile 00004 to /home/oradata/pwerdes/users01.dbf

channel c1: restoring datafile 00006 to /home/oradata/pwerdes/plas01.dbf

channel c1: restoring datafile 00007 to /home/oradata/pwerdes/pl01.dbf

channel c1: restoring datafile 00008 to /home/oradata/pwerdes/help01.dbf

channel c1: restoring datafile 00009 to /home/oradata/pwerdes/adobelc01.dbf

channel c1: restoring datafile 00010 to /home/oradata/pwerdes/sms01.dbf

channel c1: reading from backup piece /oracle/app/oracle/flash_recovery_area/PDUNQ/backupset/2015_02_07/o1_mf_nnndf_TAG20150207T182252_bfcsvxoz_.bkp

channel c1: piece handle=/oracle/app/oracle/flash_recovery_area/PDUNQ/backupset/2015_02_07/o1_mf_nnndf_TAG20150207T182252_bfcsvxoz_.bkp tag=TAG20150207T182252

channel c1: restored backup piece 1

channel c1: restore complete, elapsed time: 00:04:05

Finished restore at 07-FEB-15

contents of Memory Script:

{

switch clone datafile all;

}

executing Memory Script

datafile 1 switched to datafile copy

input datafile copy RECID=3 STAMP=871067691 file name=/home/oradata/pwerdes/system01.dbf

datafile 2 switched to datafile copy

input datafile copy RECID=4 STAMP=871067691 file name=/home/oradata/pwerdes/sysaux01.dbf

datafile 3 switched to datafile copy

input datafile copy RECID=5 STAMP=871067691 file name=/home/oradata/pwerdes/undotbs01.dbf

datafile 4 switched to datafile copy

input datafile copy RECID=6 STAMP=871067691 file name=/home/oradata/pwerdes/users01.dbf

datafile 6 switched to datafile copy

input datafile copy RECID=7 STAMP=871067691 file name=/home/oradata/pwerdes/plas01.dbf

datafile 7 switched to datafile copy

input datafile copy RECID=8 STAMP=871067691 file name=/home/oradata/pwerdes/pl01.dbf

datafile 8 switched to datafile copy

input datafile copy RECID=9 STAMP=871067691 file name=/home/oradata/pwerdes/help01.dbf

datafile 9 switched to datafile copy

input datafile copy RECID=10 STAMP=871067692 file name=/home/oradata/pwerdes/adobelc01.dbf

datafile 10 switched to datafile copy

input datafile copy RECID=11 STAMP=871067692 file name=/home/oradata/pwerdes/sms01.dbf

contents of Memory Script:

{

set until scn 10903678943;

recover

standby

clone database

delete archivelog

;

}

executing Memory Script

executing command: SET until clause

Starting recover at 07-FEB-15

starting media recovery

archived log for thread 1 with sequence 302 is already on disk as file /oracle/app/oracle/flash_recovery_area/archivelog/1_302_870804216.dbf

archived log file name=/oracle/app/oracle/flash_recovery_area/archivelog/1_302_870804216.dbf thread=1 sequence=302

media recovery complete, elapsed time: 00:00:00

Finished recover at 07-FEB-15

Finished Duplicate Db at 07-FEB-15

released channel: c1

released channel: c2

RMAN> exit

3.7 standby上修改参数文件

3.8 启动数据库

4，检查看到归档没有过来

4.1，查看alert日志
[oracle@powerlong5="" trace]$="" tail="" -f="" oracle="" app="" diag="" rdbms="" pdunq_dg="" powerdes="" trace="" alert_powerdes.log=""
mrp0="" started="" with="" pid="41," os="" id="21243" >mrp0:="" background="" managed="" standby="" recovery="" process="" (powerdes)
="" logmerger="" process
sat="" feb="" 07="" 20:12:18="" 2015
managed="" not="" using="" real="" time="" apply
parallel="" media="" 4="" slaves
waiting="" for="" all="" non-current="" orls="" to="" be="" archived...
all="" have="" been="" archived.
media="" waiting="" thread="" 1="" sequence="" 303
completed:="" alter="" database="" recover="" disconnect="" from="" session
select="" sequence#,to_char(first_time,'yyyy-mm-dd="" hh24:mi:ss')="" first_time,to_char(next_time,'yyyy-mm-dd="" next_time="" >primary="" :4.2，去tnsnames.ora里面修改配置primary和standby都保持一致，OK，dataguard搭建完成。