oracle11g broker,张欣橙 Oracle11g 配置DG broker
在配置DG broker之前需要確保Dataguard配置正常且主庫和備庫均使用spfile.
1. 主庫配置
配置DG_BROKER_START參數
檢查主庫dg_broker_start設置
SQL> show parameter dg_broker_start;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
dg_broker_start boolean FALSE
啟用dg_broker_start，啟用后oracle會自動啟動一個dmon進程
SQL> alter system set dg_broker_start = true;
System altered.
在監聽文件中加入DGMGRL靜態監聽
修改listener.ora文件，加入DGMGRL靜態監聽:SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = ora11db)
(ORACLE_HOME = /app/oracle/product/11.2.0/dbhome_1)
(SID_NAME = ora11db)
)
(SID_DESC =
(GLOBAL_DBNAME = ora11db_DGMGRL)
(ORACLE_HOME = /app/oracle/product/11.2.0/dbhome_1)
(SID_NAME = ora11db)
)
)
重啟監聽$> lsnrctl reload
2. 備庫配置
配置DG_BROKER_START參數
檢查主庫dg_broker_start設置
SQL> show parameter dg_broker_start;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
dg_broker_start boolean FALSE
啟用dg_broker_start，啟用后oracle會自動啟動一個dmon進程
SQL> alter system set dg_broker_start = true;
System altered.
在監聽文件中加入DGMGRL靜態監聽
修改listener.ora文件，加入DGMGRL靜態監聽:
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = ora11sty)
(ORACLE_HOME = /app/oracle/product/11.2.0/dbhome_1)
(SID_NAME = ora11sty)
)
(SID_DESC =
(GLOBAL_DBNAME = ora11sty_DGMGRL)
(ORACLE_HOME = /app/oracle/product/11.2.0/dbhome_1)
(SID_NAME = ora11sty)
)
)
重啟監聽：
$> lsnrctl reload
3.配置broker
創建dg broker
啟動dgmgrl命令行
oracle@solora11g:~ $> dgmgrl sys/manager
DGMGRL for Solaris: Version 11.2.0.1.0 - 64bit Production
Copyright (c) 2000, 2009, Oracle. All rights reserved.
Welcome to DGMGRL, type "help" for information.
Connected.
創建dg broker配置
DGMGRL> create configuration 'DGORA11G' as primary database is 'ora11db' connect identifier is ora11db;
Configuration "DGORA11G" created with primary database "ora11db"
顯示配置信息
DGMGRL> show configuration
Configuration - DGORA11G
Protection Mode: MaxPerformance
Databases:
ora11db - Primary database
Fast-Start Failover: DISABLED
Configuration Status:
DISABLED
增加備庫設置
增加備庫
DGMGRL> add database 'ora11sty' as connect identifier is 'ora11sty' maintained as physical;
Database "ora11sty" added
顯示配置
DGMGRL> show configuration
Configuration - DGORA11G
Protection Mode: MaxPerformance
Databases:
ora11db - Primary database
ora11sty - Physical standby database
Fast-Start Failover: DISABLED
Configuration Status:
DISABLED
enable配置
啟用配置
DGMGRL> enable configuration
Enabled.
顯示配置
DGMGRL> show configuration
Configuration - DGORA11G
Protection Mode: MaxPerformance
Databases:
ora11db - Primary database
ora11sty - Physical standby database
Fast-Start Failover: DISABLED
Configuration Status:
SUCCESS
4. 測試switchover
DGMGRL> switchover to ora11sty
Performing switchover NOW, please wait...
New primary database "ora11sty" is opening...
Operation requires shutdown of instance "ora11db" on database "ora11db"
Shutting down instance "ora11db"...
ORA-01109: database not open
Database dismounted.
ORACLE instance shut down.
Operation requires startup of instance "ora11db" on database "ora11db"
Starting instance "ora11db"...
ORACLE instance started.
Database mounted.
Switchover succeeded, new primary is "ora11sty"
總結
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