环境：
OS：rhel6.3_64bit
DB:Oracle10gR2
————————————————————————dataguard broker配置————————————————————————
主备库修改参数
SQL> show parameter broker
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
dg_broker_config_file1 string /opt/oracle/product/10.2.0/db/
dbs/dr1stdy.dat
dg_broker_config_file2 string /opt/oracle/product/10.2.0/db/
dbs/dr2stdy.dat
dg_broker_start boolean FALSE
SQL> alter system set dg_broker_start=true scope=both;
System altered.
SQL> alter system set dg_broker_start=false scope=both;
System altered.
如果使用监听端口是非默认的需要设置local_listener;
sys@ORA> alter system set local_listener='ora';
System altered.
SQL> ho ps -ef | grep dmon
oracle 9950 1 0 16:54 ? 00:00:00 ora_dmon_stdy
oracle 10075 3077 0 16:54 pts/6 00:00:00 /bin/bash -c ps -ef | grep dmon
SQL> show parameter broker
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
dg_broker_config_file1 string /opt/oracle/product/10.2.0/db/
dbs/dr1stdy.dat
dg_broker_config_file2 string /opt/oracle/product/10.2.0/db/
dbs/dr2stdy.dat
dg_broker_start boolean TRUE
alter system set dg_broker_config_file1='/opt/oracle/product/10.2.0/db/dbs/dr1dg1.dat' scope=spfile;
alter system set dg_broker_config_file2='/opt/oracle/product/10.2.0/db/dbs/dr2dg1.dat' scope=spfile;
[oracle@eagle ~]$ dgmgrl
DGMGRL for Linux: Version 10.2.0.5.0 - 64bit Production
Copyright (c) 2000, 2005, Oracle. All rights reserved.
Welcome to DGMGRL, type "help" for information.
DGMGRL> help
The following commands are available:
add Add a standby database to the broker configuration
connect Connect to an Oracle instance
create Create a broker configuration
disable Disable a configuration, a database, or Fast-Start Failover
edit Edit a configuration, database, or instance
enable Enable a configuration, a database, or Fast-Start Failover
exit Exit the program
failover Change a standby database to be the primary database
help Display description and syntax for a command
quit Exit the program
reinstate Change a disabled database into a viable standby database
rem Comment to be ignored by DGMGRL
remove Remove a configuration, database, or instance
show Display information about a configuration, database, or instance
shutdown Shutdown a currently running Oracle instance
start Start Fast-Start Failover observer
startup Start an Oracle database instance
stop Stop Fast-Start Failover observer
switchover Switch roles between the primary database and a standby database
Use "help <command>" to see syntax for individual commands
DGMGRL> connect sys/orcl
Connected.
DGMGRL> CREATE CONFIGURATION 'dg_config' as PRIMARY DATABASE IS 'ora' connect identifier is 'ora';
Configuration "dg1_config" created with primary database "ora"
回退方式
DGMGRL> remove configuration
DGMGRL> DGMGRL>
DGMGRL>
DGMGRL> ADD DATABASE 'stdy' AS CONNECT IDENTIFIER IS 'stdy' MAINTAINED AS PHYSICAL;
Database "stdy" added
DGMGRL>
DGMGRL> ENABLE CONFIGURATION;
show CONFIGURATION;
Enabled.
DGMGRL> show configuration verbose
Configuration
Name: dg1_config
Enabled: YES
Protection Mode: MaxPerformance
Fast-Start Failover: DISABLED
Databases:
ora - Primary database
stdy - Physical standby database
Current status for "dg1_config":
SUCCESS
DGMGRL> show database ora
Database
Name: ora
Role: PRIMARY
Enabled: YES
Intended State: ONLINE
Instance(s):
ora
Current status for "ora":
SUCCESS
DGMGRL> show database stdy
Database
Name: stdy
Role: PHYSICAL STANDBY
Enabled: YES
Intended State: ONLINE
Instance(s):
stdy
Current status for "stdy":
SUCCESS
DGMGRL> switchover to 'stdy';
Performing switchover NOW, please wait...
Operation requires shutdown of instance "ora" on database "ora"
Shutting down instance "ora"...
ORA-01109: database not open
Database dismounted.
ORACLE instance shut down.
Operation requires shutdown of instance "stdy" on database "stdy"
Shutting down instance "stdy"...
ORA-01109: database not open
Database dismounted.
ORACLE instance shut down.
Operation requires startup of instance "ora" on database "ora"
Starting instance "ora"...
Unable to connect to database
ORA-12514: TNS:listener does not currently know of service requested in connect descriptor
Failed.
You are no longer connected to ORACLE
Please connect again.
Unable to start instance "ora"
You must start instance "ora" manually
Operation requires startup of instance "stdy" on database "stdy"
You must start instance "stdy" manually
Switchover succeeded, new primary is "stdy"
启动现有环境：
首先启动standby数据库
[oracle@eagle ~]$ sql
SQL*Plus: Release 10.2.0.5.0 - Production on Thu Nov 14 16:56:23 2013
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected to an idle instance.
idle> startup mount
ORACLE instance started.
Total System Global Area 213909504 bytes
Fixed Size 2095152 bytes
Variable Size 130025424 bytes
Database Buffers 75497472 bytes
Redo Buffers 6291456 bytes
Database mounted.
idle> SELECT PROCESS, STATUS, THREAD#, SEQUENCE#, BLOCK#, BLOCKS FROM V$MANAGED_STANDBY;
PROCESS STATUS THREAD# SEQUENCE# BLOCK# BLOCKS
--------- ------------ ---------- ---------- ---------- ----------
ARCH CONNECTED 0 0 0 0
ARCH CONNECTED 0 0 0 0
ARCH CONNECTED 0 0 0 0
启动主库
[oracle@eagle ~]$ sql
SQL*Plus: Release 10.2.0.5.0 - Production on Thu Nov 14 16:56:30 2013
Copyright (c) 1982, 2010, Oracle. All Rights Reserved.
Connected to an idle instance.
idle> startup
ORACLE instance started.
Total System Global Area 213909504 bytes
Fixed Size 2095152 bytes
Variable Size 100665296 bytes
Database Buffers 104857600 bytes
Redo Buffers 6291456 bytes
Database mounted.
Database opened.
idle> SELECT PROCESS, STATUS, THREAD#, SEQUENCE#, BLOCK#, BLOCKS FROM V$MANAGED_STANDBY;
PROCESS STATUS THREAD# SEQUENCE# BLOCK# BLOCKS
--------- ------------ ---------- ---------- ---------- ----------
ARCH CLOSING 1 19 1 1
ARCH CLOSING 1 19 1 1
ARCH CONNECTED 0 0 0 0
LNS WRITING 1 21 22 1
检查standby的进程
idle> /
PROCESS STATUS THREAD# SEQUENCE# BLOCK# BLOCKS
--------- ------------ ---------- ---------- ---------- ----------
ARCH CLOSING 1 19 1 1
ARCH CLOSING 1 20 1 129
ARCH CONNECTED 0 0 0 0
RFS IDLE 1 21 21 1
RFS IDLE 0 0 0 0
MRP0 APPLYING_LOG 1 21 19 102400
RFS IDLE 0 0 0 0
检查broker的配置
[oracle@eagle ~]$ dgmgrl
DGMGRL for Linux: Version 10.2.0.5.0 - 64bit Production
Copyright (c) 2000, 2005, Oracle. All rights reserved.
Welcome to DGMGRL, type "help" for information.
DGMGRL> connect sys/oracle
Connected.
DGMGRL> show configuration verbose
Configuration
Name: dg_config
Enabled: YES
Protection Mode: MaxPerformance
Fast-Start Failover: DISABLED
Databases:
ora - Physical standby database
stdy - Primary database
Current status for "dg_config":
Warning: ORA-16610: command 'Broker automatic health check' in progress
DGMGRL> show configuration verbose
Configuration
Name: dg_config
Enabled: YES
Protection Mode: MaxPerformance
Fast-Start Failover: DISABLED
Databases:
ora - Physical standby database
stdy - Primary database
Current status for "dg_config":
SUCCESS