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RAC 10G TAF TEST NO2

2009-10-29 12:06:23| 分类： oracle RAC技术 | 标签： |举报 |字号大中小订阅

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创建新的服务CRM：

rac1-> dbca

欢迎页面：选择 Oracle Real Application Clusters database。
操作：选择 Services Management。
集群数据库列表：单击 Next。
数据库服务：单击 Add。
- 添加服务：输入“CRM”。
  - 选择 devdb1 作为首选实例。
  - 选择 devdb2 作为可用实例。
  - TAF 策略：选择 Basic。
- 单击 Finish。

图 14

数据库配置助手：单击 No 退出。

-------------------------------------------

启动失败的实例：

SQL> startup
ORACLE instance started.

Total System Global Area 167772160 bytes
Fixed Size                  1218316 bytes
Variable Size             100665588 bytes
Database Buffers           62914560 bytes
Redo Buffers                2973696 bytes
Database mounted.
Database opened.
SQL>

SQL> select instance_name from
2 v$instance ;

INSTANCE_NAME
----------------
devdb1

SQL> run
1 select instance_name from
2* v$instance

INSTANCE_NAME
----------------
devdb2

SQL> run
1 select instance_name from
2* v$instance

INSTANCE_NAME
----------------
devdb2

[oracle@rac1 admin]$ sqlplus system/oracle@crm

SQL*Plus: Release 10.2.0.1.0 - Production on Wed Oct 8 11:41:05 2008

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, Real Application Clusters, OLAP and Data Mining options

SQL> select instance_name from
2 v$instance ;

INSTANCE_NAME
----------------
devdb1

SQL>

关闭该实例：

[oracle@rac1 ~]$ sqlplus '/ as sysdba '

SQL*Plus: Release 10.2.0.1.0 - Production on Wed Oct 8 11:42:27 2008

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, Real Application Clusters, OLAP and Data Mining options

SQL> shutdown abort
ORACLE instance shut down.
SQL>

测试TAF：

SQL> select instance_name from
2 v$instance ;

INSTANCE_NAME
----------------
devdb1

SQL> run
1 select instance_name from
2* v$instance

INSTANCE_NAME
----------------
devdb2

SQL> run
1 select instance_name from
2* v$instance

INSTANCE_NAME
----------------
devdb2

success ！！！

起作用的是新建的服务crm ，其tns 为：

CRM =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = rac1-vip.wanmo.com)(PORT = 1521))
    (ADDRESS = (PROTOCOL = TCP)(HOST = rac2-vip.wanmo.com)(PORT = 1521))
    (LOAD_BALANCE = yes)
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = crm)
      (FAILOVER_MODE =
        (TYPE = SELECT)
        (METHOD = BASIC)
        (RETRIES = 180)
        (DELAY = 5)
      )
    )
)

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