RMAN duplicate之基于活动数据库,修改SID
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简单介绍一下,RMAN duplicate 数据库可以使用活动的数据库,也可以使用备份,基于备份的又分为具有目标连接和没有目标连接,具体如下图所示。本列中是基于active 数据库的。基于备份的duplicate可以查看我的博客http://blog.itpub.net/27771627/viewspace-1265919/
做之前请先明确概念,目标数据库和辅助数据库,按照常规想法目标数据库是duplicate结果的数据库,而这里目标数据库是指被duplicate的数据库,这可能和oracle的官方文档翻译过来的习惯有关系。
目标数据库,需要被duplicate的数据库 IP为192.168.221.201
实例名为:sap
辅助数据库,duplicate生成的数据库192.168.221.204
实例名为:new
在new数据库上面设置环境变量
[oracle@sap2 sap]$ . oraenv
ORACLE_SID = [sap] ? new
ORACLE_HOME = [/home/oracle] ? /home/oracle/app/oracle/product/11.2.0/dbhome_1
The Oracle base for ORACLE_HOME=/home/oracle/app/oracle/product/11.2.0/dbhome_1 is /home/oracle/app/oracle
1、创建密码文件,在new机器上
[oracle@sap2 sap]$ cd /home/oracle/app/oracle/product/11.2.0/dbhome_1/dbs
[oracle@sap2 dbs]$ orapwd file=orapwnew password=sys entries=5;
2、建立网络连接,配置listener.ora文件,加粗部分为新添加部分的
SID_LIST_LISTENER
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = new)
(ORACLE_HOME = /home/oracle/app/oracle/product/11.2.0/dbhome_1)
(SID_NAME = new)
)
)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = sap2)(PORT = 1521))
)
)
ADR_BASE_LISTENER = /home/oracle/app/oracle
SUBSCRIBE_FOR_NODE_DOWN_EVENT_LISTENER=OFF
3、创建初始化参数文件,在201机器上使用 create pfile from spfile命令创建pfile 然后scp到new机器对应目录,修改黑体部分其他可以不变。
sap.__db_cache_size=314572800
sap.__java_pool_size=4194304
sap.__large_pool_size=12582912
sap.__oracle_base='/home/oracle/app/oracle'#ORACLE_BASE set from environment
sap.__pga_aggregate_target=289406976
sap.__sga_target=545259520
sap.__shared_io_pool_size=0
sap.__shared_pool_size=201326592
sap.__streams_pool_size=0
*.audit_file_dest='/home/oracle/app/oracle/admin/new/adump'
*.audit_trail='db'
*.compatible='11.2.0.0.0'
*.control_files='/home/oracle/app/oracle/oradata/new/control01.ctl'
*.db_block_size=8192
*.db_domain=''
*.db_name='new'
*.db_recovery_file_dest='/home/oracle/app/oracle/flash_recovery_area'
*.db_recovery_file_dest_size=10485760000
*.diagnostic_dest='/home/oracle/app/oracle'
*.dispatchers='(PROTOCOL=TCP) (SERVICE=sapXDB)'
*.log_archive_format='%t_%s_%r.dbf'
*.memory_target=831520768
*.open_cursors=300
*.processes=150
*.remote_login_passwordfile='EXCLUSIVE'
*.undo_tablespace='UNDOTBS1'
4、创建目录,如果已经存在的无需创建
mkdir -p /home/oracle/app/oracle/flash_recovery_area
mkdir -p /home/oracle/app/oracle/admin/new/adump
mkdir -p /home/oracle/app/oracle/oradata/new/
mkdir -p /home/oracle/app/oracle/flash_recovery_area/new/
5、启动到nomount状态
[oracle@sap2 ~]$ export ORACLE_SID=new
[oracle@sap2 ~]$ export ORACLE_HOME=/home/oracle/app/oracle/product/11.2.0/dbhome_1
SQL> startup nomount pfile='/home/oracle/app/oracle/product/11.2.0/dbhome_1/dbs/init.ora'
6、将目标数据库201启动到mount 或open状态
在目标数据库上执行
connect target sys/sys@192.168.221.201:1521/sap
connect auxiliary sys/sys@192.168.221.204:1521/new
7、执行duplicate命令
RMAN> duplicate target database to "new" from active database nofilenamecheck;
Starting Duplicate Db at 06-MAR-14
using target database control file instead of recovery catalog
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: SID=129 device type=DISK
contents of Memory Script:
{
sql clone "create spfile from memory";
}
executing Memory Script
sql statement: create spfile from memory
contents of Memory Script:
{
shutdown clone immediate;
startup clone nomount;
}
executing Memory Script
Oracle instance shut down
connected to auxiliary database (not started)
Oracle instance started
Total System Global Area 830930944 bytes
Fixed Size 2217912 bytes
Variable Size 490735688 bytes
Database Buffers 331350016 bytes
Redo Buffers 6627328 bytes
contents of Memory Script:
{
sql clone "alter system set db_name =
''SAP'' comment=
''Modified by RMAN duplicate'' scope=spfile";
sql clone "alter system set db_unique_name =
''NEW'' comment=
''Modified by RMAN duplicate'' scope=spfile";
shutdown clone immediate;
startup clone force nomount
backup as copy current controlfile auxiliary format '/home/oracle/app/oracle/oradata/new/control01.ctl';
alter clone database mount;
}
executing Memory Script
sql statement: alter system set db_name = ''SAP'' comment= ''Modified by RMAN duplicate'' scope=spfile
sql statement: alter system set db_unique_name = ''NEW'' comment= ''Modified by RMAN duplicate'' scope=spfile
Oracle instance shut down
Oracle instance started
Total System Global Area 830930944 bytes
Fixed Size 2217912 bytes
Variable Size 490735688 bytes
Database Buffers 331350016 bytes
Redo Buffers 6627328 bytes
Starting backup at 06-MAR-14
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=69 device type=DISK
channel ORA_DISK_1: starting datafile copy
copying current control file
output file name=/home/oracle/app/oracle/product/11.2.0/dbhome_1/dbs/snapcf_sap.f tag=TAG20140306T001438 RECID=27 STAMP=841450478
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:01
Finished backup at 06-MAR-14
database mounted
contents of Memory Script:
{
set newname for datafile 1 to
"/home/oracle/app/oracle/oradata/sap/system01.dbf";
set newname for datafile 2 to
"/home/oracle/app/oracle/oradata/sap/sysaux01.dbf";
set newname for datafile 3 to
"/home/oracle/app/oracle/oradata/sap/undotbs01.dbf";
set newname for datafile 4 to
"/home/oracle/app/oracle/oradata/sap/users01.dbf";
set newname for datafile 5 to
"/home/oracle/app/oracle/oradata/sap/example01.dbf";
set newname for datafile 6 to
"/home/oracle/app/oracle/oradata/sap/lztest.dbf";
backup as copy reuse
datafile 1 auxiliary format
"/home/oracle/app/oracle/oradata/sap/system01.dbf" datafile
2 auxiliary format
"/home/oracle/app/oracle/oradata/sap/sysaux01.dbf" datafile
3 auxiliary format
"/home/oracle/app/oracle/oradata/sap/undotbs01.dbf" datafile
4 auxiliary format
"/home/oracle/app/oracle/oradata/sap/users01.dbf" datafile
5 auxiliary format
"/home/oracle/app/oracle/oradata/sap/example01.dbf" datafile
6 auxiliary format
"/home/oracle/app/oracle/oradata/sap/lztest.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
executing command: SET NEWNAME
Starting backup at 06-MAR-14
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile file number=00001 name=/home/oracle/app/oracle/oradata/sap/system01.dbf
output file name=/home/oracle/app/oracle/oradata/sap/system01.dbf tag=TAG20140306T001444
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:35
channel ORA_DISK_1: starting datafile copy
input datafile file number=00002 name=/home/oracle/app/oracle/oradata/sap/sysaux01.dbf
output file name=/home/oracle/app/oracle/oradata/sap/sysaux01.dbf tag=TAG20140306T001444
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:25
channel ORA_DISK_1: starting datafile copy
input datafile file number=00003 name=/home/oracle/app/oracle/oradata/sap/undotbs01.dbf
output file name=/home/oracle/app/oracle/oradata/sap/undotbs01.dbf tag=TAG20140306T001444
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:15
channel ORA_DISK_1: starting datafile copy
input datafile file number=00005 name=/home/oracle/app/oracle/oradata/sap/example01.dbf
output file name=/home/oracle/app/oracle/oradata/sap/example01.dbf tag=TAG20140306T001444
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:07
channel ORA_DISK_1: starting datafile copy
input datafile file number=00006 name=/home/oracle/app/oracle/oradata/sap/lztest.dbf
output file name=/home/oracle/app/oracle/oradata/sap/lztest.dbf tag=TAG20140306T001444
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:01
channel ORA_DISK_1: starting datafile copy
input datafile file number=00004 name=/home/oracle/app/oracle/oradata/sap/users01.dbf
output file name=/home/oracle/app/oracle/oradata/sap/users01.dbf tag=TAG20140306T001444
channel ORA_DISK_1: datafile copy complete, elapsed time: 00:00:01
Finished backup at 06-MAR-14
sql statement: alter system archive log current
contents of Memory Script:
{
backup as copy reuse
archivelog like "/home/oracle/app/oracle/flash_recovery_area/SAP/archivelog/2014_03_06/o1_mf_1_31_9kjcpb24_.arc" auxiliary format
"/home/oracle/app/oracle/flash_recovery_area/NEW/archivelog/2014_03_06/o1_mf_1_31_%u_.arc" ;
catalog clone recovery area;
switch clone datafile all;
}
executing Memory Script
Starting backup at 06-MAR-14
using channel ORA_DISK_1
channel ORA_DISK_1: starting archived log copy
input archived log thread=1 sequence=31 RECID=34 STAMP=841450571
output file name=/home/oracle/app/oracle/flash_recovery_area/NEW/archivelog/2014_03_06/o1_mf_1_31_2rp2f12b_.arc RECID=0 STAMP=0
channel ORA_DISK_1: archived log copy complete, elapsed time: 00:00:04
Finished backup at 06-MAR-14
searching for all files in the recovery area
List of Files Unknown to the Database
=====================================
File Name: /home/oracle/app/oracle/flash_recovery_area/NEW/archivelog/2014_03_06/o1_mf_1_31_2rp2f12b_.arc
cataloging files...
cataloging done
List of Cataloged Files
=======================
File Name: /home/oracle/app/oracle/flash_recovery_area/NEW/archivelog/2014_03_06/o1_mf_1_31_2rp2f12b_.arc
datafile 1 switched to datafile copy
input datafile copy RECID=27 STAMP=841450576 file name=/home/oracle/app/oracle/oradata/sap/system01.dbf
datafile 2 switched to datafile copy
input datafile copy RECID=28 STAMP=841450576 file name=/home/oracle/app/oracle/oradata/sap/sysaux01.dbf
datafile 3 switched to datafile copy
input datafile copy RECID=29 STAMP=841450576 file name=/home/oracle/app/oracle/oradata/sap/undotbs01.dbf
datafile 4 switched to datafile copy
input datafile copy RECID=30 STAMP=841450576 file name=/home/oracle/app/oracle/oradata/sap/users01.dbf
datafile 5 switched to datafile copy
input datafile copy RECID=31 STAMP=841450576 file name=/home/oracle/app/oracle/oradata/sap/example01.dbf
datafile 6 switched to datafile copy
input datafile copy RECID=32 STAMP=841450576 file name=/home/oracle/app/oracle/oradata/sap/lztest.dbf
contents of Memory Script:
{
set until scn 1259337;
recover
clone database
delete archivelog
;
}
executing Memory Script
executing command: SET until clause
Starting recover at 06-MAR-14
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: SID=63 device type=DISK
starting media recovery
archived log for thread 1 with sequence 31 is already on disk as file /home/oracle/app/oracle/flash_recovery_area/NEW/archivelog/2014_03_06/o1_mf_1_31_2rp2f12b_.arc
archived log file name=/home/oracle/app/oracle/flash_recovery_area/NEW/archivelog/2014_03_06/o1_mf_1_31_2rp2f12b_.arc thread=1 sequence=31
media recovery complete, elapsed time: 00:00:02
Finished recover at 06-MAR-14
contents of Memory Script:
{
shutdown clone immediate;
startup clone nomount;
sql clone "alter system set db_name =
''NEW'' 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
database dismounted
Oracle instance shut down
connected to auxiliary database (not started)
Oracle instance started
Total System Global Area 830930944 bytes
Fixed Size 2217912 bytes
Variable Size 490735688 bytes
Database Buffers 331350016 bytes
Redo Buffers 6627328 bytes
sql statement: alter system set db_name = ''NEW'' 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 830930944 bytes
Fixed Size 2217912 bytes
Variable Size 490735688 bytes
Database Buffers 331350016 bytes
Redo Buffers 6627328 bytes
sql statement: CREATE CONTROLFILE REUSE SET DATABASE "NEW" 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
'/home/oracle/app/oracle/oradata/sap/system01.dbf'
CHARACTER SET WE8MSWIN1252
contents of Memory Script:
{
set newname for tempfile 1 to
"/home/oracle/app/oracle/oradata/sap/temp01.dbf";
switch clone tempfile all;
catalog clone datafilecopy "/home/oracle/app/oracle/oradata/sap/sysaux01.dbf",
"/home/oracle/app/oracle/oradata/sap/undotbs01.dbf",
"/home/oracle/app/oracle/oradata/sap/users01.dbf",
"/home/oracle/app/oracle/oradata/sap/example01.dbf",
"/home/oracle/app/oracle/oradata/sap/lztest.dbf";
switch clone datafile all;
}
executing Memory Script
executing command: SET NEWNAME
renamed tempfile 1 to /home/oracle/app/oracle/oradata/sap/temp01.dbf in control file
cataloged datafile copy
datafile copy file name=/home/oracle/app/oracle/oradata/sap/sysaux01.dbf RECID=1 STAMP=841450594
cataloged datafile copy
datafile copy file name=/home/oracle/app/oracle/oradata/sap/undotbs01.dbf RECID=2 STAMP=841450594
cataloged datafile copy
datafile copy file name=/home/oracle/app/oracle/oradata/sap/users01.dbf RECID=3 STAMP=841450595
cataloged datafile copy
datafile copy file name=/home/oracle/app/oracle/oradata/sap/example01.dbf RECID=4 STAMP=841450595
cataloged datafile copy
datafile copy file name=/home/oracle/app/oracle/oradata/sap/lztest.dbf RECID=5 STAMP=841450595
datafile 2 switched to datafile copy
input datafile copy RECID=1 STAMP=841450594 file name=/home/oracle/app/oracle/oradata/sap/sysaux01.dbf
datafile 3 switched to datafile copy
input datafile copy RECID=2 STAMP=841450594 file name=/home/oracle/app/oracle/oradata/sap/undotbs01.dbf
datafile 4 switched to datafile copy
input datafile copy RECID=3 STAMP=841450595 file name=/home/oracle/app/oracle/oradata/sap/users01.dbf
datafile 5 switched to datafile copy
input datafile copy RECID=4 STAMP=841450595 file name=/home/oracle/app/oracle/oradata/sap/example01.dbf
datafile 6 switched to datafile copy
input datafile copy RECID=5 STAMP=841450595 file name=/home/oracle/app/oracle/oradata/sap/lztest.dbf
contents of Memory Script:
{
Alter clone database open resetlogs;
}
executing Memory Script
database opened
Finished Duplicate Db at 06-MAR-14
duplicate执行完成。
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