HA for core routers: Securely configure VRRP, HSRP and GLBP
Practical guide for administrators: How to reliably implement HA for core routers using VRRP, HSRP, or GLBP, avoid split‑brain caused by topolo…
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HA cluster with Proxmox and 2 nodes: correctly configure quorum, QDevice and fencing
Two Proxmox nodes sound like “small HA” — but are particularly vulnerable to quorum issues. This practical guide explains how to cleanly resolv…
High Availability with Pacemaker/Corosync: Resource Groups, STONITH and Split‑Brain Prevention
Practical guide for administrators: model resource groups, configure STONITH/Fencing reliably, select quorum strategies and prevent Split‑Brain…