Oracle RAC 集群示意图
RAC,全称real application clusters,译为“实时应用集群”, 是Oracle新版数据库中采用的一项新技术,
RAC,全称real application clusters,译为“实时应用集群”, 是Oracle新版数据库中采用的一项新技术,
是高可用性的一种,也是Oracle数据库支持网格计算环境的核心技术。
应用程序连接Oracle rac的URL写法一例 :
jdbc:oracle:thin:@(DESCRIPTION =(ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = dc1.bpsb.com.cn)(PORT = 1521))(ADDRESS = (PROTOCOL = TCP)(HOST = dc2.bpsb.com.cn)(PORT = 1521))(LOAD_BALANCE = yes)(FAILOVER = on))(CONNECT_DATA =(SERVICE_NAME = bpscrac)))
这是网络上的一段oracle rac的url连接以及客户端tnsnames.ora的示例----与Oracle RAC相关的连接配置写法实例:(地址--http://www.linuxidc.com/Linux/2010-08/27947.htm)
1. 应用程序连接Oracle rac的URL写法
jdbc:oracle:thin:@(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.30.52)(PORT = 1521))(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.30.51)(PORT = 1521))(LOAD_BALANCE = yes)(FAILOVER = yes)(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = kms)(FAILOVER_MODE=(TYPE = SELECT)(METHOD = BASIC)(RETIRES =