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haproxy+keepalived(主主模式)实现高可用环境的简单配置

发表于：2024-11-24 作者：千家信息网编辑

千家信息网最后更新 2024年11月24日，参考：haproxy+keepalived(主从模式)实现高可用环境的简单配置 https://blog.51cto.com/sf1314/2357735主主模式就是需要两个VIP,即两个haprox

千家信息网最后更新 2024年11月24日haproxy+keepalived(主主模式)实现高可用环境的简单配置

参考：haproxy+keepalived(主从模式)实现高可用环境的简单配置 https://blog.51cto.com/sf1314/2357735

主主模式就是需要两个VIP,即两个haproxy节点都同时在提供服务,

当有一个haproxy挂掉后,它的vip资源就会漂到另一个haproxy节点上(此时它将有两个vip都在提供服务),故障转移无感知.

[root@Haproxy_Keepalived_Master ~]# vim /etc/keepalived/keepalived.conf! Configuration File for keepalivedglobal_defs { notification_email { root@localhost } notification_email_from keepalived@localhostsmtp_server 127.0.0.1smtp_connect_timeout 30router_id HAproxy237} vrrp_script chk_haproxy { #HAproxy 服务监控脚本 script "/etc/keepalived/check_haproxy.sh" interval 2 weight 2} vrrp_instance VI_1 { state MASTER interface eth0 virtual_router_id 51 priority 100 advert_int 1 authentication { auth_type PASS auth_pass 1111} track_script { chk_haproxy}virtual_ipaddress { 182.148.15.239}notify_master "/etc/keepalived/clean_arp.sh 182.148.15.239"}vrrp_instance VI_2 { state BACKUP interface eth0 virtual_router_id 52 priority 99 advert_int 1 authentication { auth_type PASS auth_pass 1111}virtual_ipaddress { 182.148.15.235}notify_master "/etc/keepalived/clean_arp.sh 182.148.15.235"} 3）Haproxy_Keepalived_Backup服务器上的Keepalived配置如下：[root@Haproxy_Keepalived_Backup ~]# /etc/keepalived/keepalived.conf /etc/keepalived/keepalived.conf-bak[root@Haproxy_Keepalived_Backup ~]# vim /etc/keepalived/keepalived.conf! Configuration File for keepalivedglobal_defs { notification_email { root@localhost } notification_email_from keepalived@localhostsmtp_server 127.0.0.1smtp_connect_timeout 30router_id HAproxy236} vrrp_script chk_haproxy { script "/etc/keepalived/check_haproxy.sh" interval 2 weight 2} vrrp_instance VI_1 { state BACKUP interface eth0 virtual_router_id 51 priority 99 advert_int 1 authentication { auth_type PASS auth_pass 1111} track_script { chk_haproxy}virtual_ipaddress { 182.148.15.239}notify_master "/etc/keepalived/clean_arp.sh 182.148.15.239"}vrrp_instance VI_2 { state MASTER interface eth0 virtual_router_id 52 priority 100 advert_int 1 authentication { auth_type PASS auth_pass 1111}virtual_ipaddress { 182.148.15.235}notify_master "/etc/keepalived/clean_arp.sh 182.148.15.235"}

很赞哦！