linux oracle11g dataguard配置

阿新 • • 發佈：2019-02-12

系統環境：兩臺相同的centos6.2
在主庫(primary database)中提前安裝好了Oracle 11gR2軟體並建立了資料庫，例項名為DB11G。
IP:192.168.1.203 hostname:robbiehost db_unique_name:DB11G
備庫(standby database)(192.168.1.201)中只安裝了Oracle 11gR2軟體，未建立資料庫。
IP:192.168.1.201 hostname:robbiehost2 db_unique_name:DB11G_STBY

主庫配置
1、確認主庫開啟了archivelog模式，並設定為force logging模式

[email protected]> ALTER DATABASE FORCE LOGGING;

2、建立standby controlfile

[email protected]>alter database create standby controlfile as '/u01/app/oracle/oradata/DB11G/standby.ctl

3、登入到主庫，瞭解一下資料檔案的資訊，之後安全關閉資料庫，將全部資料檔案拷貝到備庫的相應目錄下.

[email protected]> select name from v$datafile;
NAME
-----------------------------------
/u01/app/oracle/oradata/DB11G/system01.dbf
/u01/app/oracle/oradata/DB11G/sysaux01.dbf
/u01/app/oracle/oradata/DB11G/undotbs01.dbf
/u01/app/oracle/oradata/DB11G/ 
[email protected]> show parameter control_files
NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
control_files                        string      /u01/app/oracle/oradata/DB11G/
                                                 control01.ctl, /u01/app/oracle
                                                 /flash_recovery_area/DB11G/con
                                                  
[email protected]> select group#,member from v$logfile;
GROUP# MEMBER
------ --------------------------------------------------
     3 /u01/app/oracle/oradata/DB11G/redo03.log
     2 /u01/app/oracle/oradata/DB11G/redo02.log
     1 /u01/app/oracle/oradata/DB11G/redo01.log
[email protected]> shutdown immediate
Database closed.Database dismounted.ORACLE instance shut down.
[email protected]> quit

[[email protected]~]$ cd /u01/app/oracle/oradata/[[email protected]]$ scp -r DB11G/ [email protected]:/u01/app/oracle/oradata/
[email protected]'s password:
system01.dbf 100% 172MB 34.4MB/s 00:05 
redo01b.rdo 100% 100MB 33.3MB/s 00:03 
sysaux01.dbf 100% 100MB 50.0MB/s 00:02 
undotbs01.dbf 100% 133MB 44.3MB/s 00:03 
....... 
[[email protected]]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on Tue Feb 21 20:54:47 2012Copyright (c) 1982, 2009, Oracle. 
All rights reserved.Connected to an idle instance.
[email protected]>startup
ORACLE instance started.
Total System Global Area 1603411968 bytes
Fixed Size 2213776 bytes
Variable Size 402655344 bytes
Database Buffers 1191182336 bytes
Redo Buffers 7360512 bytes
Database mounted.
Database opened.

4、主庫修改初始化引數檔案

[email protected]> create pfile from spfile;
File created.
[email protected]> !
[[email protected] oradata] cd $ORACLE_HOME/dbs
[[email protected] dbs] cat initDB11G.ora 
DB11G.__db_cache_size=29360128
DB11G.__java_pool_size=16777216
DB11G.__large_pool_size=4194304
DB11G.__oracle_base='/u01/app/oracle'#ORACLE_BASE set from environment
DB11G.__pga_aggregate_target=557842432
DB11G.__sga_target=230686720
DB11G.__shared_io_pool_size=0
DB11G.__shared_pool_size=167772160
DB11G.__streams_pool_size=0
*.audit_file_dest='/u01/app/oracle/admin/DB11G/adump'
*.audit_trail='db'
*.compatible='11.2.0.0.0'
*.control_files='/u01/app/oracle/oradata/DB11G/control01.ctl','/u01/app/oracle/flash_recovery_area/DB11G/control02.ctl'
*.db_block_size=8192
*.db_domain=''
*.db_name='DB11G'
*.db_recovery_file_dest='/u01/app/oracle/flash_recovery_area'
*.db_recovery_file_dest_size=4070572032
*.db_unique_name='DB11G'
*.diagnostic_dest='/u01/app/oracle'
*.dispatchers='(PROTOCOL=TCP) (SERVICE=DB11GXDB)'
*.fal_client='DB11G'
*.fal_server='DB11G_STBY'
*.local_listener='LISTENER_DB11G'
*.log_archive_config='DG_CONFIG=(DB11G,DB11G_STBY)'
*.log_archive_dest_1='LOCATION=/u01/arch VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=DB11G'
*.log_archive_dest_2='SERVICE=db11g_stby OPTIONAL LGWR SYNC AFFIRM VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE) DB_UNIQUE_NAME=DB11G_STBY'
*.log_archive_dest_state_1='ENABLE'
*.log_archive_dest_state_2='ENABLE'
*.log_archive_format='%t_%s_%r.arc'
*.log_archive_max_processes=30
*.memory_target=787480576
*.open_cursors=300
*.processes=150
*.remote_login_passwordfile='EXCLUSIVE'
*.standby_file_management='AUTO'
*.undo_tablespace='UNDOTBS1'

5、主庫建立pfile和passwordfile後，拷貝到備庫的相同路徑下

[[email protected] dbs]orapwd file=orapwDB11G password=sys force=y ignorecase=y
[[email protected] dbs]scp -r orapwDB11G initDB11G.ora 192.168.1.201:/u01/app/oracle/product/11.2.0/db_1/dbs
[email protected]'s password:
orapwDB11G                                                                               100% 1536     1.5KB/s   00:00   
initDB11G.ora                                                                            100% 1496     1.5KB/s   00:00

6、備庫獲取資料檔案，初始化引數檔案和口令檔案後，對初始化引數檔案進行相應修改。其實就將這幾個引數依據備庫，與主庫做一個映像般的調換

[[email protected] dbs]$ cat initDB11G.ora
DB11G.__db_cache_size=92274688
DB11G.__java_pool_size=4194304
DB11G.__large_pool_size=4194304
DB11G.__oracle_base='/u01/app/oracle'#ORACLE_BASE set from environment
DB11G.__pga_aggregate_target=507510784
DB11G.__sga_target=281018368
DB11G.__shared_io_pool_size=0
DB11G.__shared_pool_size=167772160
DB11G.__streams_pool_size=0
*.audit_file_dest='/u01/app/oracle/admin/DB11G/adump'
*.audit_trail='db'
*.compatible='11.2.0.0.0'
*.control_files='/u01/app/oracle/oradata/DB11G/standby.ctl'
*.db_block_size=8192
*.db_domain=''
*.db_name='DB11G'
*.db_recovery_file_dest='/u01/app/oracle/flash_recovery_area'
*.db_recovery_file_dest_size=4070572032
*.db_unique_name='DB11G_STBY'
*.diagnostic_dest='/u01/app/oracle'
*.dispatchers='(PROTOCOL=TCP) (SERVICE=DB11GXDB)'
*.fal_server='DB11G'
*.fal_client='DB11G_STBY'
*.local_listener='DB11G'
*.log_archive_config='DG_CONFIG=(DB11G,DB11G_STBY)'
*.log_archive_dest_1='LOCATION=/u01/arch VALID_FOR=(ALL_LOGFILES,ALL_ROLES) DB_UNIQUE_NAME=DB11G_STBY'
*.log_archive_dest_2='SERVICE=db11g OPTIONAL LGWR SYNC AFFIRM VALID_FOR=(ONLINE_LOGFILES,PRIMARY_ROLE) DB_UNIQUE_NAME=DB11G'
*.log_archive_dest_state_1='ENABLE'
*.log_archive_dest_state_2='ENABLE'
*.log_archive_format='%t_%s_%r.arc'
*.log_archive_max_processes=30
*.memory_target=787480576
*.open_cursors=300
*.processes=150
*.remote_login_passwordfile='EXCLUSIVE'
*.standby_file_management='AUTO'
*.undo_tablespace='UNDOTBS1'

7、配置主庫和備庫中的監聽服務和tnsnames.ora

主庫：

[[email protected] admin]$ cat listener.ora
# listener.ora Network Configuration File: /u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = /u01/app/oracle/product/11.2.0/db_1)
      (PROGRAM = extproc)
    )
 
    (SID_DESC =
      (SID_NAME = DB11G)
      (ORACLE_HOME = /u01/app/oracle/product/11.2.0/db_1)
      (GLOBAL_DBNAME = db11g)
    )
  )
 
LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.203)(PORT = 1521))
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
    )
  )

ADR_BASE_LISTENER = /u01/app/oracle

[[email protected] admin]$ cat tnsnames.ora
# tnsnames.ora Network Configuration File: /u01/app/oracle/product/11.2.0/db_1/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.

DB11G_STBY =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.201)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = db11g)
    )
  )
 
EXTPROC_CONNECTION_DATA =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
    )
    (CONNECT_DATA =
      (SID = PLSExtProc)
      (PRESENTATION = RO)
    )
  )

備庫：

[[email protected] admin]$ cat listener.ora 
# listener.ora Network Configuration File: /u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = /u01/app/oracle/product/11.2.0/db_1)
      (PROGRAM = extproc)
    )
 
    (SID_DESC =
      (SID_NAME = DB11G)
      (ORACLE_HOME = /u01/app/oracle/product/11.2.0/db_1)
      (GLOBAL_DBNAME = db11g)
    )
  )
 
LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.201)(PORT = 1521))
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
    )
  )
[[email protected] admin]$ cat tnsnames.ora 
# tnsnames.ora Network Configuration File: /u01/app/oracle/product/11.2.0/db_1/network/admin/tnsnames.ora
# Generated by Oracle configuration tools.

DB11G =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.203)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = db11g)
    )
  )

配置完成後，嘗試從兩臺伺服器以sysdba身份互相訪問（也可用tnsping）

[[email protected] admin]$ sqlplus sys/[email protected]_STBY as sysdba

SQL*Plus: Release 11.2.0.1.0 Production on Tue Dec 11 17:38:24 2012

Copyright (c) 1982, 2009, Oracle.  All rights reserved.


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> 

---------------------
[[email protected] admin]$ sqlplus sys/[email protected] as sysdba

SQL*Plus: Release 11.2.0.1.0 Production on Tue Dec 11 17:37:58 2012

Copyright (c) 1982, 2009, Oracle.  All rights reserved.


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL>

8、啟動備庫

[[email protected] admin]sqlplus / as sysdba
[email protected]> startup nomount;
ORACLE instance started.
Total System Global Area  784998400 bytes
Fixed Size                  2217464 bytes
Variable Size             683674120 bytes
Database Buffers           92274688 bytes
Redo Buffers                6832128 bytes
[email protected]> alter database mount standby database;
Database altered.
[email protected]> alter database recover managed standby database disconnect from session;
Database altered.
[email protected]> select database_role from v$database; 
DATABASE_ROLE
----------------
PHYSICAL STANDBY

到這裡基本已經配置完了

9、驗證：主庫中建立一個表，並插入若凡資料後，備庫中能夠同步出這些資料，則認為DG實施成功
主庫：

[email protected]>create table test(id number);
Table created.
[email protected]> commit;
Commit complete.
[email protected]> begin
  2  for i in 1..10 loop
  3  insert into test values(i);
  4  end loop;
  5  commit;
  6  end;
  7  /
PL/SQL procedure successfully completed.
[email protected]> select * from test;
        ID
----------
         1
         2
         3
         4
         5
         6
         7
         8
         9
        10
10 rows selected.
[email protected]> alter system switch logfile;
System altered.
[email protected]> /
System altered.

備庫

[email protected]> select name,database_role from v$database;
NAME                                DATABASE_ROLE
----------------------------------- ----------------
DB11G                               PHYSICAL STANDBY
[email protected]> select sequence#,first_time,next_time from v$archived_log;
SEQUENCE# FIRST_TIM NEXT_TIME
--------- --------- ---------
       40 06-DEC-12 06-DEC-12
       41 06-DEC-12 06-DEC-12
       36 06-DEC-12 06-DEC-12
       37 06-DEC-12 06-DEC-12
       44 06-DEC-12 06-DEC-12
       45 06-DEC-12 06-DEC-12
       46 06-DEC-12 06-DEC-12
       47 06-DEC-12 06-DEC-12
       53 07-DEC-12 07-DEC-12
       50 07-DEC-12 07-DEC-12
       49 07-DEC-12 07-DEC-12
       52 07-DEC-12 07-DEC-12
       51 07-DEC-12 07-DEC-12
       48 06-DEC-12 07-DEC-12
       54 07-DEC-12 07-DEC-12
       55 07-DEC-12 07-DEC-12
       56 07-DEC-12 07-DEC-12
.....
[email protected]> alter database recover managed standby database cancel;
Database altered.
[email protected]> alter database open read only;
Database altered.
[email protected]> select * from test;
        ID
----------
         1
         2
         3
         4
         5
         6
         7
         8
         9
        10
10 rows selected.

例子：http://ylw6006.blog.51cto.com/470441/841815

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