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Proxmox VE HA uses Pacemaker to move VMs automatically when a node fails. This guide walks through cluster prerequisites, fencing, a live failover test, and the trade‑offs you need to consider before enabling HA.
I read this page and the next: https://clusterlabs.org/pacemaker/doc/deprecated/en-US/Pacemaker/1.1/html/Pacemaker_Explained/_moving_resources_due_to_connectivity_changes.html And it explains how to set up a ping that you can link to the allocation of a resource. While this works, if I have more than 1 URL or more than 1 ping check, how can I know which one