8. Oracle通过rman进行克隆

时间:2021-03-30 20:23:10

一. 安装规划

IP ROLE
192.168.1.235 克隆对象
192.168.1.221 克隆库

二. 备库创建相应的dump文件夹

# 在主库查询对应的dump目录
select name, value
from v$parameter
where name in ('audit_file_dest',
'background_dump_dest',
'control_files',
'core_dump_dest',
'user_dump_dest',
'db_recovery_file_dest'
)
ORDER BY name ASC;
# 备库用oracle用户执行创建目录
mkdir -p $value

三. 创建实例密钥文件

  • 主库生成密钥文件
orapwd FILE=/u01/app/oracle/dbs/orapwora235 password=li0924 entries=;
  • 将密钥文件传输到备库
scp /u01/app/oracle/dbs/orapwora235 oracle@192.168.1.221:/u01/app/oracle/dbs

四. 创建参数文件

  • 主库通过spfile生成pfile文件
create pfile from spfile;
  • 复制参数文件到Standby库
scp /u01/app/oracle/dbs/initora235.ora oracle@192.168.1.221:/u01/app/oracle/dbs
  • 将Standby端启动到nomount状态
[oracle@oracle221 ~]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4. Production on Thu Aug  :: 

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

Connected to an idle instance.

SQL> startup nomount pfile='/u01/app/oracle/dbs/initora235.ora';
ORACLE instance started. Total System Global Area bytes
Fixed Size bytes
Variable Size bytes
Database Buffers bytes
Redo Buffers bytes

五. 配置主备库的监听文件和网络文件

  设置Primary库和Standby库的service_name

SQL> show parameter service_name;

NAME         TYPE  VALUE
------------------------------------ ----------- ---------------
service_names string lottu
SQL> alter system set service_names='db_primary' scope=both; System altered. SQL> show parameter service_name; NAME TYPE VALUE
------------------------------------ ----------- ----------------
service_names string db_primary

  备库的service_name设置为db_standby;需要到参数文件修改。

*.service_names='db_standby'
  • Primary库配置listener.ora
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.235)(PORT = )(IP = FIRST)))
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
)
)
) SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = ora235)
(GLOBAL_DBNAME = db_primary)
(ORACLE_HOME =/u01/app/oracle)
)
)
  • Standby库配置listener.ora
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.221)(PORT = )(IP = FIRST)))
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
)
)
) SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = ora235)
(GLOBAL_DBNAME = db_standby)
(ORACLE_HOME =/u01/app/oracle)
)
)
  • Primary库和Standby库设置tnsname.ora
tns_primary=
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.235)(PORT = ))
(CONNECT_DATA =
(SERVICE_NAME = db_primary)
)
(HS = OK)
) tns_standby=
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.221)(PORT = ))
(CONNECT_DATA =
(SERVICE_NAME = db_standby)
)
(HS = OK)
)

  重启监听lsnrctl restart

六. 克隆Oracle

  在Standby库执行:DUPLICATE TARGET DATABASE TO ORA235 FROM ACTIVE DATABASE SPFILE NOFILENAMECHECK;

[oracle@oracle221 ~]$ rlwrap  rman target sys/li0924@tns_primary auxiliary sys/li0924@tns_standby

Recovery Manager: Release 11.2.0.4. - Production on Thu Aug  :: 

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

connected to target database: ORA235 (DBID=)
connected to auxiliary database: ORA235 (not mounted) RMAN> DUPLICATE TARGET DATABASE TO ORA235 FROM ACTIVE DATABASE SPFILE NOFILENAMECHECK; Starting Duplicate Db at -AUG-
using target database control file instead of recovery catalog
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: SID= device type=DISK contents of Memory Script:
{
backup as copy reuse
targetfile '/u01/app/oracle/dbs/spfileora235.ora' auxiliary format
'/u01/app/oracle/dbs/spfileora235.ora' ;
sql clone "alter system set spfile= ''/u01/app/oracle/dbs/spfileora235.ora''";
}
executing Memory Script Starting backup at -AUG-
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID= device type=DISK
Finished backup at -AUG- sql statement: alter system set spfile= ''/u01/app/oracle/dbs/spfileora235.ora'' contents of Memory Script:
{
sql clone "alter system set db_name =
''ORA235'' comment=
''duplicate'' scope=spfile";
sql clone "alter system set db_unique_name =
''ORA235'' comment=
''duplicate'' scope=spfile";
shutdown clone immediate;
startup clone nomount;
}
executing Memory Script sql statement: alter system set db_name = ''ORA235'' comment= ''duplicate'' scope=spfile sql statement: alter system set db_unique_name = ''ORA235'' comment= ''duplicate'' scope=spfile Oracle instance shut down connected to auxiliary database (not started)
Oracle instance started Total System Global Area bytes Fixed Size bytes
Variable Size bytes
Database Buffers bytes
Redo Buffers bytes contents of Memory Script:
{
sql clone "alter system set db_name =
''ORA235'' comment=
''Modified by RMAN duplicate'' scope=spfile";
sql clone "alter system set db_unique_name =
''ORA235'' comment=
''Modified by RMAN duplicate'' scope=spfile";
shutdown clone immediate;
startup clone force nomount
backup as copy current controlfile auxiliary format '/u01/app/oradata/ora235/control01.ctl';
restore clone controlfile to '/u01/app/oradata/ora235/control02.ctl' from
'/u01/app/oradata/ora235/control01.ctl';
alter clone database mount;
}
executing Memory Script sql statement: alter system set db_name = ''ORA235'' comment= ''Modified by RMAN duplicate'' scope=spfile sql statement: alter system set db_unique_name = ''ORA235'' comment= ''Modified by RMAN duplicate'' scope=spfile Oracle instance shut down Oracle instance started Total System Global Area bytes Fixed Size bytes
Variable Size bytes
Database Buffers bytes
Redo Buffers bytes Starting backup at -AUG-
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
copying current control file
output file name=/u01/app/oracle/dbs/snapcf_ora235.f tag=TAG20180816T232148 RECID= STAMP=
channel ORA_DISK_1: datafile copy complete, elapsed time: ::
Finished backup at -AUG- Starting restore at -AUG-
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: SID= device type=DISK channel ORA_AUX_DISK_1: copied control file copy
Finished restore at -AUG- database mounted
RMAN-: WARNING: implicitly using DB_FILE_NAME_CONVERT contents of Memory Script:
{
sql clone 'alter database flashback off';
set newname for datafile to
"/u01/app/oradata/ora235/system01.dbf";
set newname for datafile to
"/u01/app/oradata/ora235/sysaux01.dbf";
set newname for datafile to
"/u01/app/oradata/ora235/undotbs01.dbf";
set newname for datafile to
"/u01/app/oradata/ora235/users01.dbf";
set newname for datafile to
"/data/oracle/data/lottu01.dbf";
backup as copy reuse
datafile auxiliary format
"/u01/app/oradata/ora235/system01.dbf" datafile
auxiliary format
"/u01/app/oradata/ora235/sysaux01.dbf" datafile
auxiliary format
"/u01/app/oradata/ora235/undotbs01.dbf" datafile
auxiliary format
"/u01/app/oradata/ora235/users01.dbf" datafile
auxiliary format
"/data/oracle/data/lottu01.dbf" ;
sql 'alter system archive log current';
}
executing Memory Script sql statement: alter database flashback off executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME Starting backup at -AUG-
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile copy
input datafile file number= name=/data/oracle/data/lottu01.dbf
output file name=/data/oracle/data/lottu01.dbf tag=TAG20180816T232159
channel ORA_DISK_1: datafile copy complete, elapsed time: ::
channel ORA_DISK_1: starting datafile copy
input datafile file number= name=/u01/app/oradata/ora235/system01.dbf
output file name=/u01/app/oradata/ora235/system01.dbf tag=TAG20180816T232159
channel ORA_DISK_1: datafile copy complete, elapsed time: ::
channel ORA_DISK_1: starting datafile copy
input datafile file number= name=/u01/app/oradata/ora235/sysaux01.dbf
output file name=/u01/app/oradata/ora235/sysaux01.dbf tag=TAG20180816T232159
channel ORA_DISK_1: datafile copy complete, elapsed time: ::
channel ORA_DISK_1: starting datafile copy
input datafile file number= name=/u01/app/oradata/ora235/undotbs01.dbf
output file name=/u01/app/oradata/ora235/undotbs01.dbf tag=TAG20180816T232159
channel ORA_DISK_1: datafile copy complete, elapsed time: ::
channel ORA_DISK_1: starting datafile copy
input datafile file number= name=/u01/app/oradata/ora235/users01.dbf
output file name=/u01/app/oradata/ora235/users01.dbf tag=TAG20180816T232159
channel ORA_DISK_1: datafile copy complete, elapsed time: ::
Finished backup at -AUG- sql statement: alter system archive log current contents of Memory Script:
{
backup as copy reuse
archivelog like "/data/arch/1_7_984178575.dbf" auxiliary format
"/data/arch/1_7_984178575.dbf" ;
catalog clone archivelog "/data/arch/1_7_984178575.dbf";
switch clone datafile all;
}
executing Memory Script Starting backup at -AUG-
using channel ORA_DISK_1
channel ORA_DISK_1: starting archived log copy
input archived log thread= sequence= RECID= STAMP=
output file name=/data/arch/1_7_984178575.dbf RECID= STAMP=
channel ORA_DISK_1: archived log copy complete, elapsed time: ::
Finished backup at -AUG- cataloged archived log
archived log file name=/data/arch/1_7_984178575.dbf RECID= STAMP= datafile switched to datafile copy
input datafile copy RECID= STAMP= file name=/u01/app/oradata/ora235/system01.dbf
datafile switched to datafile copy
input datafile copy RECID= STAMP= file name=/u01/app/oradata/ora235/sysaux01.dbf
datafile switched to datafile copy
input datafile copy RECID= STAMP= file name=/u01/app/oradata/ora235/undotbs01.dbf
datafile switched to datafile copy
input datafile copy RECID= STAMP= file name=/u01/app/oradata/ora235/users01.dbf
datafile switched to datafile copy
input datafile copy RECID= STAMP= file name=/data/oracle/data/lottu01.dbf contents of Memory Script:
{
set until scn ;
recover
clone database
delete archivelog
;
}
executing Memory Script executing command: SET until clause Starting recover at -AUG-
using channel ORA_AUX_DISK_1 starting media recovery archived log for thread with sequence is already on disk as file /data/arch/1_7_984178575.dbf
archived log file name=/data/arch/1_7_984178575.dbf thread= sequence=
media recovery complete, elapsed time: ::
Finished recover at -AUG-
Oracle instance started Total System Global Area bytes Fixed Size bytes
Variable Size bytes
Database Buffers bytes
Redo Buffers bytes contents of Memory Script:
{
sql clone "alter system set db_name =
''ORA235'' 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 = ''ORA235'' 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 bytes Fixed Size bytes
Variable Size bytes
Database Buffers bytes
Redo Buffers bytes
sql statement: CREATE CONTROLFILE REUSE SET DATABASE "ORA235" RESETLOGS ARCHIVELOG
MAXLOGFILES
MAXLOGMEMBERS
MAXDATAFILES
MAXINSTANCES
MAXLOGHISTORY
LOGFILE
GROUP ( '/u01/app/oradata/ora235/redo01.log' ) SIZE M REUSE,
GROUP ( '/u01/app/oradata/ora235/redo02.log' ) SIZE M REUSE,
GROUP ( '/u01/app/oradata/ora235/redo03.log' ) SIZE M REUSE
DATAFILE
'/u01/app/oradata/ora235/system01.dbf'
CHARACTER SET UTF8 contents of Memory Script:
{
set newname for tempfile to
"/u01/app/oradata/ora235/temp01.dbf";
switch clone tempfile all;
catalog clone datafilecopy "/u01/app/oradata/ora235/sysaux01.dbf",
"/u01/app/oradata/ora235/undotbs01.dbf",
"/u01/app/oradata/ora235/users01.dbf",
"/data/oracle/data/lottu01.dbf";
switch clone datafile all;
}
executing Memory Script executing command: SET NEWNAME renamed tempfile to /u01/app/oradata/ora235/temp01.dbf in control file cataloged datafile copy
datafile copy file name=/u01/app/oradata/ora235/sysaux01.dbf RECID= STAMP=
cataloged datafile copy
datafile copy file name=/u01/app/oradata/ora235/undotbs01.dbf RECID= STAMP=
cataloged datafile copy
datafile copy file name=/u01/app/oradata/ora235/users01.dbf RECID= STAMP=
cataloged datafile copy
datafile copy file name=/data/oracle/data/lottu01.dbf RECID= STAMP= datafile switched to datafile copy
input datafile copy RECID= STAMP= file name=/u01/app/oradata/ora235/sysaux01.dbf
datafile switched to datafile copy
input datafile copy RECID= STAMP= file name=/u01/app/oradata/ora235/undotbs01.dbf
datafile switched to datafile copy
input datafile copy RECID= STAMP= file name=/u01/app/oradata/ora235/users01.dbf
datafile switched to datafile copy
input datafile copy RECID= STAMP= file name=/data/oracle/data/lottu01.dbf
Reenabling controlfile options for auxiliary database
Executing: alter database force logging contents of Memory Script:
{
Alter clone database open resetlogs;
}
executing Memory Script database opened
Executing: alter database flashback on
Finished Duplicate Db at -AUG-