High Availability
Articles in High Availability.
Blog posts
How to Enable and Configure the Cluster Resource Scheduler (CRS) for Automatic Load Balancing in Proxmox VE
A practical guide to Proxmox VE's Cluster Resource Scheduler: the basic, static, and dynamic scheduling modes, how to turn on automatic load-based rebalancing, and how to tune the threshold, margin, and hold-duration settings so it doesn't thrash your cluster.
How to Configure High Availability (HA) for VMs and Containers in Proxmox VE
A hands-on guide to building real HA in Proxmox VE: enabling ha-manager on VMs and containers, controlling placement with node and resource affinity rules, tuning restart/relocation limits, and testing failover before you trust it.
Disarming HA in Proxmox VE 9.2: Safe Cluster-Wide Maintenance Without Fencing
Proxmox VE 9.2 adds cluster-wide disarm-ha and arm-ha commands so you can do network maintenance on an HA cluster without triggering fencing. Here's how the feature works and how to use it safely.
Configuring Redundant Corosync Links for Proxmox VE Cluster Resilience
A single corosync link is a hidden single point of failure in every Proxmox VE cluster. Here's how to diagnose link instability and configure a second, truly independent corosync link using knet.