https://plumephp.com/tags/pacemaker/Recent content in Pacemaker on PlumePHPHugozh-CNMon, 28 Sep 2026 10:00:00 +0800https://plumephp.com/linux-ha-load-balancing/Mon, 28 Sep 2026 10:00:00 +0800https://plumephp.com/linux-ha-load-balancing/<h2 id="引言">引言</h2> <p>单点故障与流量压力是服务化的两个宿敌。<strong>负载均衡</strong>把流量分到多台后端，<strong>高可用</strong>让一台挂了流量不中断。Linux 生态的经典组合是 <strong>HAProxy</strong>（L4/L7 负载均衡）+ <strong>Keepalived</strong>（虚拟 IP 漂移），进阶有 <strong>LVS</strong> 与 <strong>Pacemaker 集群</strong>。本文按「为什么需要 → 分层原理 → HAProxy 配置 → VIP 漂移 → 集群 → 会话保持 → 故障切换与脑裂」展开。</p>