Step By Step Guide On Creating Physical Standby Using RMAN(ASM) _ Oracle Database Administration.pdf

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Step By Step Guide On Creating Physical Standby

Using RMAN(ASM)

April 15, 2012 ukatru454 Leave a comment Go to comments

This article explains steps to create physical standby database using Oracle Database11 g RMAN FROM ACTIVE DATABASE capability to the DUPLICATE FOR

STANDBY command.

Primary database Name:primdv1

Standby database Name:stbydv1

Step1)Make sure primary database is running in archive log mode.

2)Determine if FORCE LOGGING is enabled. If it is not enabled, enable FORCELOGGING mode.SQL> SELECT for ce_logging FROM v$database;

FOR — NO

SQL> ALTER DATABASE FORCE LOGGING;

Data base altered.

SQL> SELECT force_logging FROM v$database;

FOR — YES

3)Configure the primary database to receive redo data, by adding the standby logfiles tothe primaryIt is highly recommended that you have one more standby redo log group than you have

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online redo log groups as the primary database.The files must be the same size or larger than the primary database’s online redo logs.

ALTER DATABASE ADD STANDBY LOGFILE‘+DATA1/primdv1/srl01.log’SIZE 52428800/



ALTER DATABASE ADD STANDBY LOGFILE

‘+DATA1/primdv1/srl04.log’SIZE 52428800/

4)Set primary database initialization parameters

ALTER SYSTEM SET log_archive_config = ‘dg_config=(primdv1,stbydv1)’;

ALTER SYSTEM SET log_archive_dest_2 =‘service=stbydv1 async valid_for=(online_logfile,primary_role)db_unique_name=stbydv1′;

show parameter log_archive_config

show parameter log_archive_dest_2If you get following error ERROR at line 1:ORA-02097: parameter cannot be modified because specified value is invalidORA-16019: cannot use LOG_ARCHIVE_DEST_1 with LOG_ARCHIVE_DEST or LOG_ARCHIVE_DUPLEX_DEST

Solution :

1. Reset the LOG_ARCHIVE_DEST to NULL value :

SQL> ALTER SYSTEM set log_archive_dest=”;

2. Set the LOG_ARCHIVE_DEST_1 to the value set to LOG_ARCHIVE_DEST before

SQL> ALTER SYSTEM set log_archive_dest_1=’LOCATION=/…’;

if you use this code, you dont need to restart database:

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ALTER SYSTEM SET LOG_ARCHIVE_DEST_1=’LOCATION=h:\oradata\archive’SCOPE=BOTH;

To check archival destination issue is ok:show parameter LOG_ARCHIVE_DEST;select DEST_ID, DEST_NAME,DESTINATION from v$archive_dest;

update tnsnames.ora file with the following entries on both hosts:

PRIMDV1 =(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = dgprim0001.ukatru.com)(PORT = 1521))(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = primdv1.ukatru.com)))

STBYDV1 =

(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = dgstby0001.ukatru.com)(PORT = 1521))(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = stbydv1.ukatru.com)))update the listner.ora with the following values on standby database:SID_LIST_LISTENER =(SID_LIST =(SID_DESC =

(GLOBAL_DBNAME = standby1.example.com)(ORACLE_HOME = /u01/app/oracle/product/11.2.0/dbhome_1)(SID_NAME = standby1)))

copy the remote login password file (orapwprimdv1) from the primary database system tothe $ORACLE_HOME/dbs directory on thestandby database system, renaming it to orapwstbydv1.In the $ORACLE_HOME/dbs directory of the standby system, create an initialization

parameter file named initstbydv1.oracontaining a single parameter: DB_NAME=stbydv1(i.e. stbydv1)

On the standby system, change to the /u01/app/oracle/admin directory. Create a directorywith a name that matches your physical standby SID (i.e. stbydv1).Change to the newly created directory (i.e. stbydv1) and create an adump directory.

now on the standby system log into databaseexport ORACLE_SID=stbydv1dgstby0001:/u01/app/oracle/admin/stbydv1>export ORACLE_SID=stbydv1dgstby0001:/u01/app/oracle/admin/stbydv1>sqlplus / as sysdba


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SQL*Plus: Release 11.2.0.3.0 Production on Sat Apr 14 22:57:24 2012

Copyright (c) 1982, 2011, Oracle. All rights reserved.

Connected to an idle instance.

SQL>SQL> startup nomount pfile=$ORACLE_HOME/dbs/initstbydv1.ora

ORACLE instance started.

Total System Global Area 238034944 bytesFixed Size 2227136 bytesVariable Size 180356160 bytesDatabase Buffers 50331648 bytesRedo Buffers 5120000 bytes

RMAN> connect target sys

target database Password:

connected to target database: PRIMDV1 (DBID=1462743077)

RMAN> connect auxiliary sys@stbydv1

auxiliary database Password:connected to auxiliary database: STBYDV1 (not mounted)

Below is the rman script to create standby database:run {allocate channel prmy1 type disk;allocate channel prmy2 type disk;

allocate channel prmy3 type disk;allocate channel prmy4 type disk;allocate auxiliary channel stby type disk;duplicate target database for standby from active databasespfile

parameter_value_convert ‘primdv1′,’stbydv1′set db_unique_name=’stbydv1′set db_file_name_convert=’/primdv1/’,’/stbydv1/’set log_file_name_convert=’/primdv1/’,’/stbydv1/’set control_files=’+DATA1′set log_archive_max_processes=’5′

set fal_client=’stbydv1′set fal_server=’primdv1′set standby_file_management=’AUTO’set log_archive_config=’dg_config=(primdv1,stbydv1)’set log_archive_dest_2=’service=primdv1 ASYNC valid_for=(ONLINE_LOGFILE,PRIMARY_ROLE) db_unique_name=primdv1′;}

channel prmy3: SID=55 device type=DISK


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allocated channel: prmy4channel prmy4: SID=56 device type=DISK

allocated channel: stbychannel stby: SID=19 device type=DISK

Starting Duplicate Db at 14-APR-12

contents of Memory Script:{ backup as copy reusetargetfile ‘/u01/app/oracle/product/11.2.0.3/db_1/dbs/orapwprimdv1’ auxiliary format‘/u01/app/oracle/product/11.2.0.3/db_1/dbs/orapwstbydv1’ targetfile‘+DATA1/primdv1/spfileprimdv1.ora’ auxiliary format‘/u01/app/oracle/product/11.2.0.3/db_1/dbs/spfilestbydv1.ora’ ;sql clone “alter system set spfile=”/u01/app/oracle/product/11.2.0.3/db_1/dbs/spfilestbydv1.ora””;}executing Memory Script

Starting backup at 14-APR-12Finished backup at 14-APR-12

sql statement: alter system set spfile=”/u01/app/oracle/product/11.2.0.3/db_1/dbs/spfilestbydv1.ora”

contents of Memory Script:{sql clone “alter system set audit_file_dest =”/u01/app/oracle/admin/stbydv1/adump” comment=

”” scope=spfile”;sql clone “alter system set dispatchers =”(PROTOCOL=TCP) (SERVICE=stbydv1XDB)” comment=”” scope=spfile”;sql clone “alter system set log_archive_dest_1 =”LOCATION=+DATA1/stbydv1” comment=”” scope=spfile”;sql clone “alter system set db_unique_name =”stbydv1” comment=”” scope=spfile”;sql clone “alter system set db_file_name_convert =”/primdv1/”, ”/stbydv1/” comment=”” scope=spfile”;sql clone “alter system set log_file_name_convert =”/primdv1/”, ”/stbydv1/” comment=”” scope=spfile”;sql clone “alter system set control_files =”+DATA1” comment=”” scope=spfile”;sql clone “alter system set log_archive_max_processes =5 comment=


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”” scope=spfile”;sql clone “alter system set fal_client =”stbydv1” comment=”” scope=spfile”;sql clone “alter system set fal_server =”primdv1” comment=”” scope=spfile”;sql clone “alter system set standby_file_management =

”AUTO” comment=”” scope=spfile”;sql clone “alter system set log_archive_config =”dg_config=(primdv1,stbydv1)” comment=”” scope=spfile”;sql clone “alter system set log_archive_dest_2 =”service=primdv1 ASYNC valid_for=(ONLINE_LOGFILE,PRIMARY_ROLE)db_unique_name=primdv1” comment=”” scope=spfile”;shutdown clone immediate;startup clone nomount;

}executing Memory Script

sql statement: alter system set audit_file_dest = ”/u01/app/oracle/admin/stbydv1/adump”comment= ”” scope=spfile

sql statement: alter system set dispatchers = ”(PROTOCOL=TCP)(SERVICE=stbydv1XDB)” comment= ”” scope=spfile

sql statement: alter system set log_archive_dest_1 = ”LOCATION=+DATA1/stbydv1”comment= ”” scope=spfile

sql statement: alter system set db_unique_name = ”stbydv1” comment= ”” scope=spfile

sql statement: alter system set db_file_name_convert = ”/primdv1/”, ”/stbydv1/”comment= ”” scope=spfile

sql statement: alter system set log_file_name_convert = ”/primdv1/”, ”/stbydv1/”comment= ”” scope=spfile

sql statement: alter system set control_files = ”+DATA1” comment= ”” scope=spfile

sql statement: alter system set log_archive_max_processes = 5 comment= ”” scope=spfile

sql statement: alter system set fal_client = ”stbydv1” comment= ”” scope=spfile

sql statement: alter system set fal_server = ”primdv1” comment= ”” scope=spfile

sql statement: alter system set standby_file_management = ”AUTO” comment= ””scope=spfile

sql statement: alter system set log_archive_config = ”dg_config=(primdv1,stbydv1)”comment= ”” scope=spfile


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sql statement: alter system set log_archive_dest_2 = ”service=primdv1 ASYNC valid_for=(ONLINE_LOGFILE,PRIMARY_ROLE) db_unique_name=primdv1” comment= ””scope=spfile

Oracle instance shut down

connected to auxiliary database (not started)Oracle instance started

Total System Global Area 1068937216 bytes

Fixed Size 2235208 bytesVariable Size 616563896 bytesDatabase Buffers 444596224 bytesRedo Buffers 5541888 bytesallocated channel: stbychannel stby: SID=21 device type=DISK

contents of Memory Script:

{sql clone “alter system set control_files =”+DATA1/stbydv1/controlfile/current.256.780620989” comment=”Set by RMAN” scope=spfile”;

backup as copy current controlfile for standby auxiliary format‘+DATA1/stbydv1/controlfile/current.257.780620989’;sql clone “alter system set control_files =”+DATA1/stbydv1/controlfile/current.257.780620989” comment=”Set by RMAN” scope=spfile”;shutdown clone immediate;startup clone nomount;

}executing Memory Script

sql statement: alter system set control_files =”+DATA1/stbydv1/controlfile/current.256.780620989” comment= ”Set by RMAN”scope=spfile

Starting backup at 14-APR-12channel prmy1: starting datafile copycopying standby control fileoutput file name=/u01/app/oracle/product/11.2.0.3/db_1/dbs/snapcf_primdv1.f tag=TAG20120414T230949 RECID=1 STAMP=780620989channel prmy1: datafile copy complete, elapsed time: 00:00:03Finished backup at 14-APR-12

sql statement: alter system set control_files =”+DATA1/stbydv1/controlfile/current.257.780620989” comment= ”Set by RMAN”scope=spfile

Oracle instance shut down

connected to auxiliary database (not started)


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Oracle instance started

Total System Global Area 1068937216 bytes

Fixed Size 2235208 bytesVariable Size 616563896 bytesDatabase Buffers 444596224 bytesRedo Buffers 5541888 bytes

allocated channel: stbychannel stby: SID=23 device type=DISK

contents of Memory Script:{sql clone ‘alter database mount standby database’;}executing Memory Script

sql statement: alter database mount standby databaseRMAN-05529: WARNING: DB_FILE_NAME_CONVERT resulted in invalid ASM

names; names changed to disk group only.

contents of Memory Script:{set newname for tempfile 1 to“+data1”;switch clone tempfile all;set newname for datafile 1 to“+data1”;set newname for datafile 2 to“+data1”;

set newname for datafile 3 to“+data1”;set newname for datafile 4 to“+data1”;

backup as copy reusedatafile 1 auxiliary format“+data1” datafile2 auxiliary format“+data1” datafile3 auxiliary format

“+data1” datafile4 auxiliary format“+data1” ;sql ‘alter system archive log current’;}executing Memory Script

executing command: SET NEWNAME

renamed tempfile 1 to +data1 in control file


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Starting backup at 14-APR-12channel prmy1: starting datafile copyinput datafile file number=00001name=+DATA1/primdv1/datafile/system.261.780607599channel prmy2: starting datafile copyinput datafile file number=00002 name=+DATA1/primdv1/datafile/sysaux.262.780607621channel prmy3: starting datafile copyinput datafile file number=00003name=+DATA1/primdv1/datafile/undotbs1.263.780607639channel prmy4: starting datafile copyinput datafile file number=00004 name=+DATA1/primdv1/datafile/users.265.780607653

output file name=+DATA1/stbydv1/datafile/users.260.780621011tag=TAG20120414T231009channel prmy4: datafile copy complete, elapsed time: 00:00:08output file name=+DATA1/stbydv1/datafile/undotbs1.261.780621011tag=TAG20120414T231009channel prmy3: datafile copy complete, elapsed time: 00:01:47output file name=+DATA1/stbydv1/datafile/system.258.780621011tag=TAG20120414T231009channel prmy1: datafile copy complete, elapsed time: 00:02:28output file name=+DATA1/stbydv1/datafile/sysaux.259.780621011tag=TAG20120414T231009

channel prmy2: datafile copy complete, elapsed time: 00:02:27Finished backup at 14-APR-12

sql statement: alter system archive log current

contents of Memory Script:{switch clone datafile all;}executing Memory Script

datafile 1 switched to datafile copyinput datafile copy RECID=1 STAMP=780621158 filename=+DATA1/stbydv1/datafile/system.258.780621011datafile 2 switched to datafile copyinput datafile copy RECID=2 STAMP=780621158 filename=+DATA1/stbydv1/datafile/sysaux.259.780621011datafile 3 switched to datafile copyinput datafile copy RECID=3 STAMP=780621158 filename=+DATA1/stbydv1/datafile/undotbs1.261.780621011datafile 4 switched to datafile copy


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input datafile copy RECID=4 STAMP=780621158 filename=+DATA1/stbydv1/datafile/users.260.780621011Finished Duplicate Db at 14-APR-12released channel: prmy1released channel: prmy2released channel: prmy3released channel: prmy4released channel: stby

RMAN> **end-of-file**Perform a log switch on the primary database and redo will start being sent to the standby.dgprim0001:/u01/app/oracle/wkdir>sqlplus / as sysdba


Copyright (c) 1982, 2011, Oracle. All rights reserved.Connected to:Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 – 64bit ProductionWith the Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options

SQL> alter system switch logfile;

System altered.

dgstby0001:/u01/app/oracle/product/11.2.0.3/db_1/network/admin>sqlplus / as sysdba


Copyright (c) 1982, 2011, Oracle. All rights reserved.

Connected to:Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 – 64bit ProductionWith the Partitioning, Automatic Storage Management, OLAP, Data Miningand Real Application Testing options

SQL> alter database recover managed standby database2 using current logfile disconnect;

Database altered.

Now Verify that the Physical Standby Database is Performing Correctly

SELECT sequence#, first_time, next_time, appliedFROM v$archived_logORDER BY sequence#/

SQL> SELECT sequence#, first_time, next_time, appliedFROM v$archived_logORDER BY sequence#/2 3 4


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SEQUENCE# FIRST_TIM NEXT_TIME APPLIED ———- ——— ——— ——— 31 14-APR-12 14-APR-12 YES32 14-APR-12 14-APR-12 YES33 14-APR-12 14-APR-12 YES34 14-APR-12 14-APR-12 YES35 14-APR-12 14-APR-12 YES36 14-APR-12 14-APR-12 IN-MEMORY

6 rows selected.

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Step By Step Guide On Creating Physical Standby Using RMAN(ASM) _ Oracle Database Administration.pdf