[DGMGRL]Dgmgrl管理Dataguard(1)

Dgmgrl表示Data Guard Manager Command Line Interface，用来管理维护Dataguard，而且该命令系统自带不需要额外安装，命令简单易上手，容易学习，比sqlplus用来更加简单一些.

一、初步认识Dgmgrl

[oracle@primary ~]$ dgmgrl
DGMGRL for Linux: Version 11.2.0.4.0 - 64bit Production
Copyright (c) 2000, 2009, Oracle. All rights reserved.
Welcome to DGMGRL, type "help" for information.
DGMGRL> help

The following commands are available:

add            Adds a standby database to the broker configuration
connect        Connects to an Oracle database instance
convert        Converts a database from one type to another
create         Creates a broker configuration
disable        Disables a configuration, a database, or fast-start failover
edit           Edits a configuration, database, or instance
enable         Enables a configuration, a database, or fast-start failover
exit           Exits the program
failover       Changes a standby database to be the primary database
help           Displays description and syntax for a command
quit           Exits the program
reinstate      Changes a database marked for reinstatement into a viable standby
rem            Comment to be ignored by DGMGRL
remove         Removes a configuration, database, or instance
show           Displays information about a configuration, database, or instance
shutdown       Shuts down a currently running Oracle database instance
sql            Executes a SQL statement
start          Starts the fast-start failover observer
startup        Starts an Oracle database instance
stop           Stops the fast-start failover observer
switchover     Switches roles between a primary and standby database

Use "help <command>" to see syntax for individual commands

DGMGRL> help create

Creates a broker configuration

Syntax:

  CREATE CONFIGURATION <configuration name> AS
    PRIMARY DATABASE IS <database name>
    CONNECT IDENTIFIER IS <connect identifier>;
通过上述命令，可以发现命令非常简单，并且有很好的文档进行参照

二、Dgmgrl配置以及简单使用

--前提是已经安装Dataguard环境

1.开始配置参数

--主备库进行监听配置，增加如下红字内容

主库：

[oracle@primary ~]$ vim /u01/oracle/product/11.2.0/db_1/network/admin/listener.ora
# listener.ora Network Configuratio