2、 将keepalived做成服务启动
#cp /usr/local/etc/rc.d/init.d/keepalived /etc/init.d/ 注释:拷贝服务启动文件
#cp /usr/local/etc/sysconfig/keepalived /etc/sysconfig/
#mkdir /etc/keepalived/ 注释：创建配置文件目录
#cp /usr/local/etc/keepalived/keepalived.conf /etc/keepalived/ 注释：拷贝配置文件
#cp /usr/local/sbin/keepalived /usr/sbin/ 注释：拷贝可执行文件
#service keepalived start 注释:测试服务启动与关闭
#service keepalived stop
3、配置keepalived
在配置keepalived时发现这个软件用着比heartbeat要简单很多
主节点的配置
#vi /etc/keepalived/keepalived.conf
! Configuration File for keepalived
global_defs {
notification_email {
reaaa@163.com
}
notification_email_from Alexandre.Cassen@firewall.loc
smtp_server 127.0.0.1
router_id LVS_DEVEL
}
vrrp_instance VI_1 {
state MASTER
interface eth0
virtual_router_id 51
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
192.168.2.120
}
}
virtual_server 192.168.2.120 8080 {
delay_loop 6
lb_algo wlc
lb_kind DR
persistence_timeout 1
protocol TCP
real_server 192.168.5.54 8080 {
weight 1
TCP_CHECK {
connect_timeout 1
nb_get_retry 3
delay_before_retry 3
connect_port 8080
}
}
real_server 192.168.5.57 8080 {
weight 1
TCP_CHECK {
connect_timeout 1
nb_get_retry 3
delay_before_retry 3
connect_port 8080
}
}
}
BACKUP节点配置：
#vi /etc/keepalived/keepalived.conf
! Configuration File for keepalived
global_defs {
notification_email {
renxiaotian@ninetowns.com
}
notification_email_from Alexandre.Cassen@firewall.loc
smtp_server 127.0.0.1
router_id LVS_DEVEL
}
vrrp_instance VI_1 {
state BACKUP
interface eth0
virtual_router_id 51
priority 99
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
192.168.2.120
}
}
virtual_server 192.168.2.120 8080 {
delay_loop 6
lb_algo wlc
lb_kind DR
persistence_timeout 1
protocol TCP
real_server 192.168.5.54 8080 {
weight 1
TCP_CHECK {
connect_timeout 1
nb_get_retry 3
delay_before_retry 3
connect_port 8080
}
}
real_server 192.168.5.57 8080 {
weight 1
TCP_CHECK {
connect_timeout 1
nb_get_retry 3
delay_before_retry 3
connect_port 8080
}
}
}
注释：因为我用的tomcat后端8080端口没有修改为80，这个请读者自己按照自己的情况配置，包括各种IP与持久连接，realserver的数量，如果keepalived启动后查看后端的realserver没有达到自己配置的数量，那么就是端口没有指对。