ORACLE RAC資料庫連線方式
方法1:適合中介軟體等JDBC等連線方法,本示例為thin方式
url="jdbc:oracle:thin:@(DESCRIPTION =
(LOAD_BALANCE = NO)
(ADDRESS = (PROTOCOL =TCP)(HOST = dtydb3-vip)(PORT = 1521))
(ADDRESS = (PROTOCOL =TCP)(HOST = dtydb4-vip)(PORT = 1521))
(ADDRESS = (PROTOCOL =TCP)(HOST = dtydb5-vip)(PORT = 1521))
(ADDRESS = (PROTOCOL =TCP)(HOST = dtydb6-vip)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = srv_kfpb1)
)
)"
同時需要修改/etc/hosts檔案,新增如下內容
#VIP
10.4.×.* dtydb3-vip10.4.×.* dtydb4-vip
10.4.×.* dtydb5-vip
10.4.×.* dtydb6-vip
方法2:一般用於sqlplus、plsql等客戶端工具
$ORACLE_HOME/network/admin/tnsnames.ora檔案中新增如下內容
tydb_kfpb1 =
(DESCRIPTION =
(LOAD_BALANCE = NO)
(ADDRESS = (PROTOCOL =TCP)(HOST = 10.4.×.*)(PORT = 1521))
(ADDRESS = (PROTOCOL =TCP)(HOST = 10.4.×.*)(PORT = 1521))
(ADDRESS = (PROTOCOL =TCP)(HOST = 10.4.×.*)(PORT = 1521))
(ADDRESS = (PROTOCOL =TCP)(HOST = 10.4.×.*)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME= srv_kfpb1)
)
)
然後直接使用tydb_kfpb1進行連線
備註:黃色部分修改為自己需要的服務名