[oracle@cube ~]$ 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> connect sys/windows@jakki

Connected.

DGMGRL> show configuration;

Configuration - DRSolution

  Protection Mode: MaxAvailability

  Databases:

    JAKKI - Primary database

      Warning: ORA-16817: unsynchronized fast-start failover configuration

    CUBE  - (*) Physical standby database (disabled)

      ORA-16661: the standby database needs to be reinstated

Fast-Start Failover: ENABLED

Configuration Status:

WARNING

DGMGRL> reinstate database 'CUBE';

Reinstating database "CUBE", please wait...

Reinstatement of database "CUBE" succeeded

DGMGRL>  show configuration;

Configuration - DRSolution

  Protection Mode: MaxAvailability

  Databases:

    JAKKI - Primary database

    CUBE  - (*) Physical standby database

Fast-Start Failover: ENABLED

Configuration Status:

SUCCESS

DGMGRL> show database 'JAKKI';

Database - JAKKI

  Role:            PRIMARY

  Intended State:  TRANSPORT-ON

  Instance(s):

    JAKKI

Database Status:

SUCCESS

DGMGRL> show database 'CUBE';

Database - CUBE

  Role:            PHYSICAL STANDBY

  Intended State:  APPLY-ON

  Transport Lag:   0 seconds (computed 0 seconds ago)

  Apply Lag:       0 seconds (computed 0 seconds ago)

  Apply Rate:      0 Byte/s

  Real Time Query: ON

  Instance(s):

    CUBE

Database Status:

SUCCESS

至此使用dg broker 管理dataguard配置，测试switchover 和failover 都已经完成；使用dg broker管理dataguard使得更加的方便；