keepalived功能,keepalived离线安装与配置

清除关键配置LVS ipvsadm-cifconfigth 0:1 down node 1， 安装node4keepalivedyuminstallkeepalivedipvsadm-y keepalived CD/etc/keepalived/keepalived.confcpkeeepalived.conf keeked :{#虚拟路由冗馀协议状态主节点准备备份接口eth0#传输信息网卡virtual _ router _ id51 # priority 100 # 每行一个192.168.158.128/24 deveth0label eth 0:1 # ifconfig eth 0:1192.168.158.128/128 } notification _ email 每6秒钟查询VIP和服务delay_loop6#realserver状态lb_algo rr #的后端调试算法(load balancing algorithm ) lb _ kind dr persistence_timeout60到同一IP的连接在60秒内通过分配给同一realserver协议TCP的TCP协议达到realserver状态real _ server 192.168.158.12998 lvs以TCP_CHECK { #keepalived的体检方式http _ get|SSL _ get|TCP _ check|SMTP _ check|misc connect _ time out 10 # 10秒为优先重新连接间隔时间connect_port 80 #体检realserver端口} HTTP_GET { url { path /index.html #检查url， 多个digest 24326582 a86 bee 478 BAC 72 D5 af 25089 e #检测有效代码#digest有效代码获取方法： genhash-sIP-p80-uhttp://IP/index.html status _ code 2008 real _ server 192.168.158.13080 { weight1#权重，最大高度，lvs为TCP_CHECK { #keepalived的体检方式优先访问miscconnect_timeout10#10秒的重新连接次数3次delay_before_retry 3 #重新连接间隔时间connect_port 80 #体检realserver端口} http _ get 多个digest 24326582 a86 bee 478 BAC 72 D5 af 25089 e #检测有效代码#digest有效代码获取方法： gen hash-sip-p80-u http://IP/index.html status _ code