服务器端配置rac taf（rac应用分离）
数据库版本： 10.2.0.1
操作系统版本： CentOS-5.6
1） 创建service
[sql]
[oracle@rac1 ~]$ srvctl add service -d jscn -s taf_dianping -r jscn1 -a jscn2 -P basic
[oracle@rac1 ~]$ srvctl start service -d jscn -s taf_dianping
[oracle@rac1 ~]$ srvctl enable service -d jscn -s taf_dianping
用service TAF 修改配置，需要用dbms_service.modify_service包。
SQL> begin
dbms_service.modify_service(
service_name=>'taf_dianping',
failover_method=>dbms_service.failover_method_basic,
failover_type=>dbms_service.failover_type_select,
failover_retries=>180,
failover_delay=>5);
end;
/
[oracle@rac1 ~]$ srvctl config service -d jscn -s taf_dianping -a
taf_dianping PREF: jscn1 AVAIL: jscn2 TAF: basic
2）启动监控
[sql]
[oracle@rac1 ~]$ crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora.jscn.db application ONLINE ONLINE rac1
ora....n1.inst application ONLINE ONLINE rac1
ora....n2.inst application ONLINE ONLINE rac2
ora....ping.cs application ONLINE ONLINE rac1 --服务
ora....cn1.srv application ONLINE ONLINE rac1
ora....SM1.asm application ONLINE ONLINE rac1
ora....C1.lsnr application ONLINE ONLINE rac1
ora.rac1.gsd application ONLINE ONLINE rac1
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip application ONLINE ONLINE rac1
ora....SM2.asm application ONLINE ONLINE rac2
ora....C2.lsnr application ONLINE ONLINE rac2
ora.rac2.gsd application ONLINE ONLINE rac2
ora.rac2.ons application ONLINE ONLINE rac2
ora.rac2.vip application ONLINE ONLINE rac2
3）配置tns
[sql]
192.168.8.206_two =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.8.206)(PORT = 1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.8.207)(PORT = 1521))
(LOAD_BALANCE = yes)
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = taf_dianping)
)
)
4）测试
[sql]
window 连接 rac
C:\Windows\system32>sqlplus system/sys@192.168.8.206_two
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - 64bit Production
With the Partitioning, Real Application Clusters, OLAP and Data Mining options
SQL> select instance_name from v$instance;
INSTANCE_NAME
----------------
jscn1
停止节点1
[oracle@rac1 ~]$ sqlplus / as sysdba
SQL> shutdown immediate
[oracle@rac1 ~]$ crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora.jscn.db application ONLINE ONLINE rac1
ora....n1.inst application OFFLINE OFFLINE
ora....n2.inst application ONLINE ONLINE rac2
ora....ping.cs application ONLINE ONLINE rac1 --服务
ora....cn1.srv application ONLINE ONLINE rac2
ora....SM1.asm application ONLINE ONLINE rac1
ora....C1.lsnr application ONLINE ONLINE rac1
ora.rac1.gsd application ONLINE ONLINE rac1
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip application ONLINE ONLINE rac1
ora....SM2.asm application ONLINE ONLINE rac2
ora....C2.lsnr application ONLINE ONLINE rac2
ora.rac2.gsd application ONLINE ONLINE rac2
ora.rac2.ons application ONLINE ONLINE rac2
ora.rac2.vip application ONLINE ONLINE rac2
再看，
SQL> select instance_name from v$instance;
现在连接到rac2了
INSTANCE_NAME
----------------
jscn2
现在在重新启动节点1
SQL> startup
再看
SQL> select instance_name from v$instance;
INSTANCE_NAME
----------------
jscn2
发现无论怎么连接现在都落到rac2上面了，现在我想让他再回到节点1上面应该怎么做
重新注册就可以了
[oracle@rac1 ~]$ srvctl relocate service -d jscn -s taf_dianping -i jscn2 -t jscn1
如果要删除，可以按照如下所示做：
删除service
[oracle@rac1 ~]$ srvctl stop service -d jscn -s taf_dianping
[oracle@rac1 ~]$ srvctl remove service -d jscn -s taf_dianping
SQL> begin
dbms_service.delete_service(service_name=>'taf_dianping');
end;
