cp /opt/keepalived/etc/sysconfig/keepalived /etc/sysconfig/ ln -s /opt/sbin/keepalived /usr/sbin/ ln -s /opt/keepalived/sbin/keepalived /sbin/ 4.设置 keepalived 服务开机启动 chkconfig keepalived on 5.修改 Keepalived 配置文件 vi /etc/keepalived/keepalived.conf ! Configuration File for keepalived...
1、修改keepalive配置 1 2 cp -raf /usr/local/keepalived/etc/keepalived/keepalived.conf /usr/local/keepalived/etc/keepalived/keepalived.conf_default vim /usr/local/keepalived/etc/keepalived/keepalived.conf 主节点192.168.115.148和从节点192.168.115.149存在差异,具体配置文件如下: 主节点192.168.115.148:/usr...
简介: NGINX高可用之keepalived+nginx主从模式+主主模式配置实践 七层负载均衡 七层就是基于URL等应用层信息的负载均衡。从第七层"应用层"开始,根据虚拟的url或IP,主机名接收请求,再转向相应的处理服务器。七层负载均衡器也称作七层交换机,即L7 switch(七层交换),OSI的最高层,应用层。此时,该Load Balancer能...
keepalived是一个类似于工作在三层、四层、七层交换机的软件。 keepalived软件有两种功能,一是监控检查,一是VRRP冗余协议。 keepalived的作用是检测WEB服务器的状态。 工作在三层时: keepalived会定期向服务器群中的服务器发送一个ICMP的数据包,如果发现某台服务器的IP地址无法ping通,keepalived便报告这台服务器失效,并...
keepalive nginx 主从 keepalived nginx配置,记录下搭建高可用的nginx负载均衡集群,nginx和keepalived大的配置都属于最简配置。环境准备:至少3个节点虚拟机。(可以将web1和web2部署在不同的节点上,因为是在本地的IDE上跑的web项目,所以直接在同一个节点上用两个不同的
Nginx + Tomcat 负载均衡配置 0x01:Keepalived 介绍及部署 Keepalived 的功能很强大,主要检测服务器的状态,如果有一台 web 服务器宕机,或者工作出现故障,Keepalived 将检测到,并将有故障的服务器从系统中剔除,同时使用其他服务器代替该服务器的工作,当服务器工作正常后Keepalived 自动将服务器加入到服务器群中,这些工...
1)master负载机上的keepalived配置:(注意,这里是双主配置,MASTER-BACKUP和BACKUP-MASTER;如果是多主,比如三主,就是MATER-BACKUP-BACKUP、BACKUP-MASTER-BACKUP和BACKUP-BACKUP-MASTER) 注意: 配置中的虚拟路由标识virtual_router_id在MASTER和BACKUP处配置不能一样(但在主从模式下配置是一样的) ...
说明:keepalived的主从切换和redis的主从切换是不一样的,keepalived的主节点挂了以后,从节点变为主节点,之前的主节点恢复以后继续做主节点。redis的主节点挂了以后,重新恢复以后变为从节点 4. keepalived高可用架构示意图 说明: 虚拟ip(VIP):192.168.152.200,对外提供服务的ip,也可称作浮动ip ...
yum install-y keepalived//安装keepalived 5.配置LB-01节点: vim/etc/keepalived/keepalived.conf//编辑keepalived配置文件!Configuration Fileforkeepalived global_defs{notification_email{acassen@firewall.loc failover@firewall.loc sysadmin@firewall.loc}notification_email_from Alexandre.Cassen@firewall.loc ...