安装keepalived
1、 下载 wget http://www.keepalived.org/software/keepalived-1.2.23.tar.gz
2、 解包 tar xf keepalived-1.2.23.tar.gz
3、 切换目录 cd keepalived-1.2.23
4、 配置 ./configure –prefix=/opt/keepalived 因为keepalived 运行在ipvs 之上，因此这两
个软件一定要安装在一个系统里面。如果configure 操作能正常进行，运行完毕后将有如下的汇总输出：
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| Keepalived configuration
Keepalived version : 1.2.23
Compiler : gcc
Compiler flags : -g -O2
Extra Lib : -lpopt -lssl -lcrypto
Use IPVS Framework : Yes
IPVS sync daemon support : Yes
Use VRRP Framework : Yes
Use LinkWatch : No
Use Debug flags : No
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5、 编译和安装
make&&make install
6、 环境配置
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| cd /opt/keepalived/
mkdir /etc/keepalived/
cp sbin/keepalived /usr/sbin/
cp etc/keepalived/keepalived.conf /etc/keepalived/
cp etc/sysconfig/keepalived /etc/sysconfig/
cp etc/rc.d/init.d/keepalived /etc/init.d/
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7、启动keepalived查看是否正常
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| [root@cluster-node1 keepalived]
Starting keepalived (via systemctl): [ OK ]
[root@cluster-node1 keepalived]
root 4662 1 0 01:22 ? 00:00:00 keepalived -D
root 4664 4662 0 01:22 ? 00:00:00 keepalived -D
root 4665 4662 0 01:22 ? 00:00:00 keepalived -D
root 16435 2705 0 01:37 pts/0 00:00:00 grep --color=auto keepalived
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8、修改配置文件
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| [root@cluster-node1 keepalived]# cat /etc/keepalived/keepalived.conf
! Configuration File for keepalived
global_defs {
notification_email {
acassen@firewall.loc
failover@firewall.loc
sysadmin@firewall.loc
}
notification_email_from Alexandre.Cassen@firewall.loc
smtp_server 192.168.200.1
smtp_connect_timeout 30
router_id node1
vrrp_skip_check_adv_addr
vrrp_strict
vrrp_garp_interval 0
vrrp_gna_interval 0
}
vrrp_instance VI_1 {
state MASTER
interface eno16777736
virtual_router_id 51
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
10.0.0.1/24
}
}
vrrp_instance VI_2 {
state BACKUP
interface eno16777736
virtual_router_id 52
priority 50
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
10.0.1.1/24
}
}
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| [root@cluster-node2 keepalived]# cat /etc/keepalived/keepalived.conf
! Configuration File for keepalived
global_defs {
notification_email {
acassen@firewall.loc
failover@firewall.loc
sysadmin@firewall.loc
}
notification_email_from Alexandre.Cassen@firewall.loc
smtp_server 192.168.200.1
smtp_connect_timeout 30
router_id node2
vrrp_skip_check_adv_addr
vrrp_strict
vrrp_garp_interval 0
vrrp_gna_interval 0
}
vrrp_instance VI_1 {
state BACKUP
interface eno16777736
virtual_router_id 51
priority 50
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
10.0.0.1/24
}
}
vrrp_instance VI_2 {
state MASTER
interface eno16777736
virtual_router_id 52
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
10.0.1.1/24
}
}
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9、重启keepalived，查看vip是否正常绑定
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| [root@cluster-node1 keepalived]# ip add | egrep "0.1|1.1"
inet 127.0.0.1/8 scope host lo
inet6 ::1/128 scope host
inet 10.0.0.1/24 scope global eno16777736
[root@cluster-node2 keepalived]# ip add | egrep "0.1|1.1"
inet 127.0.0.1/8 scope host lo
inet6 ::1/128 scope host
inet 10.0.1.1/24 scope global eno16777736
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