Oracle 11G使用DG Broker建立DataGuard

Oracle 11G使用DG Broker建立DataGuard

Oracle 11G使用DG Broker建立DataGuard

1.環境：

a.主機環境：CentOS6.5

b.軟體環境：oracle 11.2.0.4

c.主機資訊：

DG1：192.168.100.51（資料庫sid：atest）

DG2：192.168.100.52

2.前提工作（主從都要設定）：

a.關閉防火牆：/etc/init.d/iptables stop

b.關閉selinux：setenforce 0

查看狀態：getenforce（關閉狀態：Permissive）

3.3.主庫設定：

a.設定主庫db_unique_name：

alter system set db_unique_name='patest' scope=spfile;

b.設定主庫為強制記錄日誌：

alter database force logging;

檢查狀態(YEs為強制)：

select name,force_logging from v$database;

c.設定standy_file_management：

alter system set standby_file_management ='AUTO';

d.建立standbylog：

alter database add standby logfile group  11 '/u01/app/oracle/oradata/ATEST/standbylog/standby11.log' size 50m;
alter database add standby logfile group  12 '/u01/app/oracle/oradata/ATEST/standbylog/standby12.log' size 50m;
alter database add standby logfile group  13 '/u01/app/oracle/oradata/ATEST/standbylog/standby13.log' size 50m;
alter database add standby logfile group  14 '/u01/app/oracle/oradata/ATEST/standbylog/standby14.log' size 50m;

e.開啟歸檔(簡單不詳述)：

alter system set log_archive_dest_1='location=/u01/app/oracle/oradata/ATEST/archivelog';
alter database archivelog;

f.開啟DGbroker：

alter system set DG_BROKER_START=TRUE;

g.傳輸pfile和密碼檔案：

 create pfile from spfile;
 scp initatest.ora orapwatest 192.168.100.52:/u01/app/oracle/product/11.2.0/db1/dbs/

h.設定監聽：atest,patest,patest_DGMGRL

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (GLOBAL_DBNAME = atest)
      (ORACLE_HOME = /u01/app/oracle/product/11.2.0/db1)
      (SID_NAME = atest)
    )
    (SID_DESC =
      (GLOBAL_DBNAME = patest)
      (ORACLE_HOME = /u01/app/oracle/product/11.2.0/db1)
      (SID_NAME = atest)
    )
    (SID_DESC =
      (GLOBAL_DBNAME = patest_DGMGRL)
      (ORACLE_HOME = /u01/app/oracle/product/11.2.0/db1)
      (SID_NAME = atest)
    )
  )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = vijay01.database.com)(PORT = 1521))
    )
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    )
  )

ADR_BASE_LISTENER = /u01/app/oracle

i.設定tnsnames.ora

ATEST =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.100.51)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = atest)
    )
  )

PATEST =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.100.51)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = atest)
    )
  )

SATEST =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.100.52)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = atest)
    )
  )

4.備庫設定：

a.設定監聽：atest,satest,satest_DGMGRL

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (GLOBAL_DBNAME = atest)
      (ORACLE_HOME = /u01/app/oracle/product/11.2.0/db1)
      (SID_NAME = atest)
    )
    (SID_DESC =
      (GLOBAL_DBNAME = satest)
      (ORACLE_HOME = /u01/app/oracle/product/11.2.0/db1)
      (SID_NAME = atest)
    )
    (SID_DESC =
      (GLOBAL_DBNAME = satest_DGMGRL)
      (ORACLE_HOME = /u01/app/oracle/product/11.2.0/db1)
      (SID_NAME = atest)
    )
  )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = vijay02.database.com)(PORT = 1521))
    )
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    )
  )

ADR_BASE_LISTENER = /u01/app/oracle

b.設定tnsnames.ora

ATEST =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.100.52)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = atest)
    )
  )

SATEST =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.100.52)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = atest)
    )
  )

PATEST =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.100.51)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = atest)
    )
  )

5.備份主庫：

a.rman target /

b.backup database;

6.在備庫上複製主庫：

a.修改備庫pfile上的db_unique_name=satest

b.啟動資料庫到nomount：

startup nomount

c.登陸rman：

rman target sys/123456@patest auxiliary sys/123456@satest

d.開始複製：

 duplicate target database for standby nofilenamecheck from active database;

7.設定DGbroker：

a.登陸dgmgrl：

dgmgrl sys/123456@patest

b.設定主庫：

create configuration dgc as primary database is patest connect identifier is patest;

c.添加備庫：

add database satest as connect identifier is satest maintained as physical;

d.啟用設定檔:

enable configuration

e.查看DGbroker配置：

show configuration [verbose];

show database [verbose] 'satest';

show database 'patest''StatusReport';

f.查看資料庫的DG狀態：

SELECT GROUP#,dbid,archived,status from v$standby_log;

select dest_id,valid_type,valid_role,valid_now from v$archive_dest;

select process,status,group#,thread#,sequence# from v$managed_standby order by process,group#,thread#,sequence#;

select name,value,time_computed from v$dataguard_stats;

select timestamp,facility,dest_id,message_num,error_code,message from v$dataguard_status order by timestamp;

select recid,archived,applied from v$archived_log;

8.DG不同步檢查步驟：

1.檢查密碼檔案
2.檢查網路
3.檢查參數檔案
4.檢查防火牆或selinux
5.如以上均無問題，只能說明dg環境有問題，需要重新搭建dg（重新傳輸資料檔案到主庫，在重新同步）