作者：小丽丽很可爱 | 来源：互联网 | 2023-05-17 10:12
web1 IP 192.168.0.47
web2 IP 192.168.0.48
haproxy_master 192.168.0.200
haproxy_backup 192.168.0.199
VIP 192.168.0.155
一.安装keepalived
#wget http://www.keepalived.org/software/keepalived-1.1.15.tar.gz
#tar zxvf keepalived-1.1.15.tar.gz
#cd keepalived-1.1.15
#./configure
#make
#make install 将keepalived做成启动脚务
#cp /usr/local/etc/rc.d/init.d/keepalived /etc/rc.d/init.d/
#cp /usr/local/etc/sysconfig/keepalived /etc/sysconfig/
#mkdir /etc/keepalived
#cp /usr/local/etc/keepalived/keepalived.conf /etc/keepalived/
#cp /usr/local/sbin/keepalived /usr/sbin/
配置keepalived.conf
#vim /etc/keepalived/keepalived.conf
- ! Configuration File for keepalived
-
- global_defs {
- notification_email {
- gaoming@123.com
- }
- notification_email_from gaoming@123.com
- smtp_server 192.168.200.1
- smtp_connect_timeout 30
- router_id LVS_DEVEL
- }
-
- vrrp_instance VI_1 {
- state MASTER #备用服务器上改为 BACKUP
- interface eth0
- virtual_router_id 51
- priority 100 #备用服务器上改为99
- advert_int 1
- authentication {
- auth_type PASS
- auth_pass 1111
- }
- virtual_ipaddress {
- 192.168.0.155/24 dev eth0 scope global
- }
- }
启动keepalived
service keepalived start
启动之后可以用ip add 查看网卡多了一条192.168.0.155的IP
eth0: mtu 1500 qdisc pfifo_fast qlen 1000
link/ether 00:0c:29:ff:6c:c7 brd ff:ff:ff:ff:ff:ff
inet 192.168.0.200/24 brd 192.168.0.255 scope global eth0
inet 192.168.0.155/24 scope global secondary eth0
inet6 fe80::20c:29ff:feff:6cc7/64 scope link
valid_lft forever preferred_lft forever
说明keepalived启动成功，配置生效
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