keepalived01:双网卡服务器双机热备
keepalived01:双网卡服务器双机热备
keepalived01:双网卡服务器双机热备
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keepalived双网卡服务器双机热备
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环境：
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master: eth0(192.168.0.100/24) eth1(10.0.0.100/24)
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backup: eth0(192.168.0.200/24) eth1(10.0.0.200/24)
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软件安装：
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安装依赖：
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yum install ipvsadm kernel-devel openssl-devel popt-devel \
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libnl-devel gcc make -y
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解压编译：
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tar zxf keepalived-1.2.7.tar.gz
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cd keepalived-1.2.7
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./configure --prefix=/usr/local/keepalived
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make && make install
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做链接：
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ln -s /usr/local/keepalived/etc/rc.d/init.d/keepalived /etc/init.d/
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ln -s /usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/
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ln -s /usr/local/keepalived/etc/keepalived/ /etc/
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ln -s /usr/local/keepalived/sbin/keepalived /usr/sbin/
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备份配置文件：
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cp /etc/keepalived/keepalived.conf /etc/keepalived/keepalived.conf.bak
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添加用户：
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useradd keepalived
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修改配置：
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vi /etc/keepalived/keepalived.conf
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###############################################################
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! Configuration File for keepalived
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global_defs {
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notification_email {
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oscersong007@gmail.com
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}
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notification_email_from keepalived@localhost
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smtp_server 127.0.0.1
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smtp_connect_timeout 30
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router_id LVS_DEVEL
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}
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vrrp_sync_group VGM {
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group {
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VI_1
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}
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}
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vrrp_instance VI_1 {
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state MASTER #BACKUP
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interface eth0
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virtual_router_id 51
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priority 100 #50
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advert_int 1
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authentication {
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auth_type PASS
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auth_pass westos
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}
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track_interface {
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eth0
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eth1
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}
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virtual_ipaddress {
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192.168.0.150/24 dev eth0
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10.0.0.150/24 dev eth1
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}
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}
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###############################################################
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启动服务测试：
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tail -f /var/log/message
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/etc/init.d/keepalived start(master,backup)
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master的测试页面“MASTER”，backup的测试页面“BACKUP”
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master,backup的keepalived都启动时在backup端测试：
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[root@backup ~]# curl http://192.168.0.150
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MASKTER
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[root@backup ~]# curl http://10.0.0.150
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MASKTER
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将master的eht1 down掉后在backup端测试：
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[root@backup ~]# curl http://192.168.0.150
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BACKUP
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[root@backup ~]# curl http://10.0.0.150
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BACKUP
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