keepalived 服务开机自启动 systemctl enable keepalived.service systemctl disable keepalived.service 取消开机自动启动 systemctl start keepalived.service 启动 systemctl stop keepalived.service停止 systemctl status keepalived.service 1. 2. 3. 4. 5. 6. 7. keepalived启动后默认去这个(/etc/keepalived/keepaliv...
在Keepalived中,nopreempt选项用于配置VRRP实例的非抢占模式。以下是关于nopreempt配置的详细回答: 解释nopreempt选项在keepalived中的作用: nopreempt选项的作用是设置VRRP实例为非抢占模式。在非抢占模式下,即使一个优先级较低的BACKUP节点成为了MASTER(例如,因为原本的MASTER节点宕机),当原本的MASTER节点恢复后,它也不会主...
service keepalived status #查看服务状态 1. 2. 4 、配置文件修改 停止keepalived服务,修改keepalived.conf配置文件(第3步中的/etc/keepalived/keepalived.conf)并重新启动keepalived服务加载配置文件。 128服务器keepalived配置如下 ! Configuration File for keepalived global_defs { notification_email { #指定keepalived...
cp /usr/local/keepalived/etc/rc.d/init.d/keepalived /etc/rc.d/init.d/ cp /usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/ mkdir /etc/keepalived cp /usr/local/keepalived/etc/keepalived/keepalived.conf /etc/keepalived/ cp /usr/local/keepalived/sbin/keepalived /usr/sbin/ 2.3 编...
keepalivedがvrrpで冗長化を行う際にkeepalived.confの中で設定する、stateとpriority、あとnopreemptについて挙動を調べてみました。 こちらに各ノードでstateの設定を行った際に発生する挙動をまとめて頂いていますが、これとpriorityの関係がよくわからなかったのがきっかけです。
2019-12-25 17:46 −安装keepalive 安装依赖插件: yum install -y gcc openssl-devel popt-devel wget -q http://www.keepalived.org/software/keepalived-1.2.13.tar.gz tar -zxv... dkws-2019 0 882 SQL 与,或,非 2019-12-05 11:27 −# SQL AND, OR and NOT(与,或不是运算符) AND&OR运...
sudo apt-get install keepalived ``` ### 2. 配置keepalived 接下来,需要配置keepalived,在主服务器和备份服务器上创建配置文件,通常为`/etc/keepalived/keepalived.conf`。配置文件内容如下: 主服务器配置: ```conf vrrp_instance VI_1 { state MASTER ...
keepalived双BACKUP加nopreempt不起作用,两个机器同时拥有vip, 排查几天发现是防火墙问题,啃爹。 打开vi /etc/sysconfig/iptables 插入一条:-A RH-Firewall-1-INPUT -i eth0 -p 112 -j ACCEPT 保存后, 然后重启防火墙,就恢复正常。 要么把防火墙关掉。
Keepalived高可用对之间是通过VRRP通信的,因此,我们从 VRRP开始了解起: VRRP,全称 Virtual Router Redundancy Protocol,中文名为虚拟路由冗余协议,VRRP的出现是为了解决静态路由的单点故障。 VRRP是通过一种竟选协议机制来将路由任务交给某台 VRRP路由器的。 VRRP用 IP多播的方式(默认多播地址(224.0_0.18))实现高可用对...
记一次keepalived配置nopreempt不抢占模式总是失效,配置文件主配置文件!ConfigurationFileforkeepalivedglobal_defs{router_idgd_ha01}vrrp_scriptcheck_nginx{script"pidofnginx"interval2}vrrp_instanceVI_1{stateBACKUPinterfaceens160virtual_router_id101priority100a