Friday 1 April 2016

Create duplicate(clone) database,Using Rman Duplicate command.

OS details of Both node:-

Linux stand.example.com 2.6.18-164.el5 #1 SMP Tue Aug 18 15:51:48 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux

Red Hat Enterprise Linux Server release 5.4 (Tikanga)

DB name:

SQL> select name from v$database;

NAME
---------
DB11G

Node1 hostname:

stand.example.com

Node2 hostname:

prim.example.com

step1)

create pfile for spfile for duplicate database.

SQL> create pfile from spfile;

File created.

step2)

move password file and pfile to target location.

[oracle@prim dbs]$ scp initDB11G.ora oracle@stand.example.com:/u01/app/oracle/product/11.2.0/db_1/dbs/
oracle@stand.example.com's password:
initDB11G.ora 100% 997 1.0KB/s 00:00

[oracle@prim dbs]$ scp orapwDB11G oracle@stand.example.com:/u01/app/oracle/product/11.2.0/db_1/dbs/
oracle@stand.example.com's password:
orapwDB11G 100% 1536 1.5KB/s 00:00
[oracle@prim dbs]$

step3)

Create directory structure, same as primory database.

$ mkdir -p /u01/app/oracle/oradata/DB11G
$ mkdir -p /u01/app/oracle/fast_recovery_area/DB11G
$ mkdir -p /u01/app/oracle/admin/DB11G/adump

step4)

Start duplicate (tareget) database in nomount.

[oracle@stand admin]$ export $ORACLE_SID=DB11G
[oracle@stand admin]$ echo $ORACLE_SID
DB11G
[oracle@stand admin]$ sqlplus

SQL*Plus: Release 11.2.0.3.0 Production on Fri Apr 1 21:50:36 2016
Copyright (c) 1982, 2011, Oracle. All rights reserved.

Enter user-name: /as sysdba

Connected to an idle instance.

SQL> startup nomount;

ORACLE instance started.
Total System Global Area 839282688 bytes
Fixed Size 2233000 bytes
Variable Size 503319896 bytes
Database Buffers 331350016 bytes
Redo Buffers 2379776 bytes

SQL> exit

step5)

-->connect rman using target and auxilary command.

[oracle@stand admin]$ rman TARGET sys/Admin123@DB11G AUXILIARY sys/Admin123@TARGET_DB11G

---> run duplicate database command.

RMAN> DUPLICATE DATABASE TO DB11G
FROM ACTIVE DATABASE
SPFILE
NOFILENAMECHECK;

Starting Duplicate Db at 01-APR-16
using target database control file instead of recovery catalog
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: SID=19 device type=DISK
contents of Memory Script:
{
backup as copy reuse
targetfile '/u01/app/oracle/product/11.2.0/db_1/dbs/spfileDB11G.ora' auxiliary format
'/u01/app/oracle/product/11.2.0/db_1/dbs/spfileDB11G.ora' ;
sql clone "alter system set spfile= ''/u01/app/oracle/product/11.2.0/db_1/dbs/spfileDB11G.ora''";
}
executing Memory Script
Starting backup at 01-APR-16
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=17 device type=DISK
Finished backup at 01-APR-16
sql statement: alter system set spfile= ''/u01/app/oracle/product/11.2.0/db_1/dbs/spfileDB11G.ora''
contents of Memory Script:
{
sql clone "alter system set db_name =
''DB11G'' comment=
''duplicate'' scope=spfile";
shutdown clone immediate;
startup clone nomount;
}
executing Memory Script
sql statement: alter system set db_name = ''DB11G'' comment= ''duplicate'' scope=spfile
Oracle instance shut down
connected to auxiliary database (not started)
Oracle instance started
Total System Global Area 839282688 bytes
Fixed Size 2233000 bytes
Variable Size 503319896 bytes
Database Buffers 331350016 bytes
Redo Buffers 2379776 bytes
contents of Memory Script:
{
sql clone "alter system set db_name =
''DB11G'' comment=
''Modified by RMAN duplicate'' scope=spfile";
sql clone "alter system set db_unique_name =
''DB11G'' comment=
''Modified by RMAN duplicate'' scope=spfile";
shutdown clone immediate;
startup clone force nomount
backup as copy current controlfile auxiliary format '/u01/app/oracle/oradata/DB11G/control01.ctl';
restore clone controlfile to '/u01/app/oracle/fast_recovery_area/DB11G/control02.ctl' from
'/u01/app/oracle/oradata/DB11G/control01.ctl';
alter clone database mount;
}
executing Memory Script
sql statement: alter system set db_name = ''DB11G'' comment= ''Modified by RMAN duplicate'' scope=spfile
sql statement: alter system set db_unique_name = ''DB11G'' comment= ''Modified by RMAN duplicate'' scope=spfile
Oracle instance shut down
Oracle instance started
Total System Global Area 839282688 bytes
Fixed Size 2233000 bytes
Variable Size 503319896 bytes
Database Buffers 331350016 bytes
Redo Buffers 2379776 bytes
Starting backup at 01-APR-16
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
copying current control file
output file name=/u01/app/oracle/product/11.2.0/db_1/dbs/snapcf_DB11G.f tag=TAG20160401T215156 RECID=4 STAMP=908056317
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:01
Finished backup at 01-APR-16
Starting restore at 01-APR-16
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: SID=18 device type=DISK
channel ORA_AUX_DISK_1: copied control file copy
Finished restore at 01-APR-16
database mounted
RMAN-05538: WARNING: implicitly using DB_FILE_NAME_CONVERT
contents of Memory Script:
{
set newname for datafile 1 to
"/u01/app/oracle/oradata/DB11G/system01.dbf";
set newname for datafile 2 to
"/u01/app/oracle/oradata/DB11G/sysaux01.dbf";
set newname for datafile 3 to
"/u01/app/oracle/oradata/DB11G/undotbs01.dbf";
set newname for datafile 4 to
"/u01/app/oracle/oradata/DB11G/users01.dbf";
set newname for datafile 5 to
"/u01/app/oracle/oradata/DB11G/example01.dbf";
backup as copy reuse
datafile 1 auxiliary format
"/u01/app/oracle/oradata/DB11G/system01.dbf" datafile
2 auxiliary format
"/u01/app/oracle/oradata/DB11G/sysaux01.dbf" datafile
3 auxiliary format
"/u01/app/oracle/oradata/DB11G/undotbs01.dbf" datafile
4 auxiliary format
"/u01/app/oracle/oradata/DB11G/users01.dbf" datafile
5 auxiliary format
"/u01/app/oracle/oradata/DB11G/example01.dbf" ;
sql 'alter system archive log current';
}
executing Memory Script
executing command: SET NEWNAME
executing command: SET NEWNAME
executing command: SET NEWNAME
executing command: SET NEWNAME
executing command: SET NEWNAME
Starting backup at 01-APR-16
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile file number=00001 name=/u01/app/oracle/oradata/DB11G/system01.dbf
output file name=/u01/app/oracle/oradata/DB11G/system01.dbf tag=TAG20160401T215203
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:25
channel ORA_DISK_1: starting datafile copy
input datafile file number=00002 name=/u01/app/oracle/oradata/DB11G/sysaux01.dbf
output file name=/u01/app/oracle/oradata/DB11G/sysaux01.dbf tag=TAG20160401T215203
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:25
channel ORA_DISK_1: starting datafile copy
input datafile file number=00005 name=/u01/app/oracle/oradata/DB11G/example01.dbf
output file name=/u01/app/oracle/oradata/DB11G/example01.dbf tag=TAG20160401T215203
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:15
channel ORA_DISK_1: starting datafile copy
input datafile file number=00003 name=/u01/app/oracle/oradata/DB11G/undotbs01.dbf
output file name=/u01/app/oracle/oradata/DB11G/undotbs01.dbf tag=TAG20160401T215203
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:03
channel ORA_DISK_1: starting datafile copy
input datafile file number=00004 name=/u01/app/oracle/oradata/DB11G/users01.dbf
output file name=/u01/app/oracle/oradata/DB11G/users01.dbf tag=TAG20160401T215203
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:01
Finished backup at 01-APR-16
sql statement: alter system archive log current
contents of Memory Script:
{
backup as copy reuse
archivelog like "/u01/Archive/1_78_907544441.dbf" auxiliary format
"/u01/Archive/1_78_907544441.dbf" ;
catalog clone archivelog "/u01/Archive/1_78_907544441.dbf";
switch clone datafile all;
}
executing Memory Script
Starting backup at 01-APR-16
using channel ORA_DISK_1
channel ORA_DISK_1: starting archived log copy
input archived log thread=1 sequence=78 RECID=76 STAMP=908056394
output file name=/u01/Archive/1_78_907544441.dbf RECID=0 STAMP=0
channel ORA_DISK_1: archived log copy complete, elapsed time: 00:00:01
Finished backup at 01-APR-16
cataloged archived log
archived log file name=/u01/Archive/1_78_907544441.dbf RECID=76 STAMP=908056396
datafile 1 switched to datafile copy
input datafile copy RECID=4 STAMP=908056396 file name=/u01/app/oracle/oradata/DB11G/system01.dbf
datafile 2 switched to datafile copy
input datafile copy RECID=5 STAMP=908056396 file name=/u01/app/oracle/oradata/DB11G/sysaux01.dbf
datafile 3 switched to datafile copy
input datafile copy RECID=6 STAMP=908056396 file name=/u01/app/oracle/oradata/DB11G/undotbs01.dbf
datafile 4 switched to datafile copy
input datafile copy RECID=7 STAMP=908056396 file name=/u01/app/oracle/oradata/DB11G/users01.dbf
datafile 5 switched to datafile copy
input datafile copy RECID=8 STAMP=908056396 file name=/u01/app/oracle/oradata/DB11G/example01.dbf
contents of Memory Script:
{
set until scn 1084167;
recover
clone database
delete archivelog
;
}
executing Memory Script
executing command: SET until clause
Starting recover at 01-APR-16
using channel ORA_AUX_DISK_1
starting media recovery
archived log for thread 1 with sequence 78 is already on disk as file /u01/Archive/1_78_907544441.dbf
archived log file name=/u01/Archive/1_78_907544441.dbf thread=1 sequence=78
media recovery complete, elapsed time: 00:00:01
Finished recover at 01-APR-16
Oracle instance started
Total System Global Area 839282688 bytes
Fixed Size 2233000 bytes
Variable Size 503319896 bytes
Database Buffers 331350016 bytes
Redo Buffers 2379776 bytes
contents of Memory Script:
{
sql clone "alter system set db_name =
''DB11G'' comment=
''Reset to original value by RMAN'' scope=spfile";
sql clone "alter system reset db_unique_name scope=spfile";
shutdown clone immediate;
startup clone nomount;
}
executing Memory Script
sql statement: alter system set db_name = ''DB11G'' comment= ''Reset to original value by RMAN'' scope=spfile
sql statement: alter system reset db_unique_name scope=spfile
Oracle instance shut down
connected to auxiliary database (not started)
Oracle instance started
Total System Global Area 839282688 bytes
Fixed Size 2233000 bytes
Variable Size 503319896 bytes
Database Buffers 331350016 bytes
Redo Buffers 2379776 bytes
sql statement: CREATE CONTROLFILE REUSE SET DATABASE "DB11G" RESETLOGS ARCHIVELOG
MAXLOGFILES 16
MAXLOGMEMBERS 3
MAXDATAFILES 100
MAXINSTANCES 8
MAXLOGHISTORY 292
LOGFILE
GROUP 1 SIZE 50 M ,
GROUP 2 SIZE 50 M ,
GROUP 3 SIZE 50 M
DATAFILE
'/u01/app/oracle/oradata/DB11G/system01.dbf'
CHARACTER SET WE8MSWIN1252
contents of Memory Script:
{
set newname for tempfile 1 to
"/u01/app/oracle/oradata/DB11G/temp01.dbf";
switch clone tempfile all;
catalog clone datafilecopy "/u01/app/oracle/oradata/DB11G/sysaux01.dbf",
"/u01/app/oracle/oradata/DB11G/undotbs01.dbf",
"/u01/app/oracle/oradata/DB11G/users01.dbf",
"/u01/app/oracle/oradata/DB11G/example01.dbf";
switch clone datafile all;
}
executing Memory Script
executing command: SET NEWNAME
renamed tempfile 1 to /u01/app/oracle/oradata/DB11G/temp01.dbf in control file
cataloged datafile copy
datafile copy file name=/u01/app/oracle/oradata/DB11G/sysaux01.dbf RECID=1 STAMP=908056426
cataloged datafile copy
datafile copy file name=/u01/app/oracle/oradata/DB11G/undotbs01.dbf RECID=2 STAMP=908056426
cataloged datafile copy
datafile copy file name=/u01/app/oracle/oradata/DB11G/users01.dbf RECID=3 STAMP=908056426
cataloged datafile copy
datafile copy file name=/u01/app/oracle/oradata/DB11G/example01.dbf RECID=4 STAMP=908056426
datafile 2 switched to datafile copy
input datafile copy RECID=1 STAMP=908056426 file name=/u01/app/oracle/oradata/DB11G/sysaux01.dbf
datafile 3 switched to datafile copy
input datafile copy RECID=2 STAMP=908056426 file name=/u01/app/oracle/oradata/DB11G/undotbs01.dbf
datafile 4 switched to datafile copy
input datafile copy RECID=3 STAMP=908056426 file name=/u01/app/oracle/oradata/DB11G/users01.dbf
datafile 5 switched to datafile copy
input datafile copy RECID=4 STAMP=908056426 file name=/u01/app/oracle/oradata/DB11G/example01.dbf
contents of Memory Script:
{
Alter clone database open resetlogs;
}
executing Memory Script
database opened
Finished Duplicate Db at 01-APR-16

step6)

Validation primary database and target database.
on target database side

SQL> select name from v$database;

NAME
---------
DB11G

SQL> !hostname
stand.example.com

SQL> conn scott/******

SQL> show user

USER is "SCOTT"

SQL> select OBJECT_TYPE,count(*) from user_objects group by object_type;

OBJECT_TYPE COUNT(*)
------------------- ----------
INDEX 2
TABLE 5

on primary database side

SQL> select name from v$database;

NAME
---------
DB11G

SQL> !hostname
prim.example.com

SQL> conn scott/******
Connected.

SQL> show user
USER is "SCOTT"

SQL> select OBJECT_TYPE,count(*) from user_objects group by object_type;

OBJECT_TYPE COUNT(*)
------------------- ----------
INDEX 2
TABLE 5

work on autovacuum postgreSQL parameter

 In This blog, we are discussing the auto vacuum parameter on a small scale. we will understand the below parameters and will see how to mod...