I recently switched the majority of my self-hosted services over to Proxmox running on a custom built 1U supermicro server. It’s been working so well I decided to build a second one, and setup a two node HA cluster to take advantage of live migration among other features. Proxmox uses corosync to track cluster status, but the trick is it requires a third node (qdevice) to provide quorum and act as a tie breaker.

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Phillip Steinbachs

Principal Engineer

Sandpoint, ID USA