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Tag
High Availability
9 articles tagged High Availability, newest first.
Proxmox HA Mistakes: 10 Failover Problems to Avoid
Proxmox HA fails most painfully when the cluster is technically configured for high availability but the surrounding design cannot support the failover ...
Your Two-Node Cluster Is a Trap: The Brutal Truth About Proxmox Quorum No One Explains
Why two-node Proxmox clusters create false confidence, how quorum really behaves, and what admins miss when they expect HA without a third vote.
The Day a Three-Node Cluster Refused to Trust Itself
A plain-English breakdown of why a three-node cluster shuts down or panics after losing quorum, even when one host can still run every VM.
When a Cluster Loses Its Mind: The Harsh Reality Behind Three-Node High Availability
Why a three-node HA cluster can panic when two nodes disappear, and how quorum and split-brain protection shape that behavior.
Ceph, StarWind, Synology: How I Accidentally Tried Every Storage Idea at Once
A story about running Ceph, StarWind VSAN, and Synology simultaneously—not by design, but because every attempt to simplify storage somehow added another layer instead.
Ceph, StarWind, or Something Else? The Awkward Middle Ground of HA Storage in Proxmox
When you want your Proxmox storage to 'just stay up' during node failures, you hit the awkward middle ground between Ceph, StarWind VSAN, clustered filesystems, and DIY NAS solutions. Here's why none of them feel quite right.
Put Your Cluster on Ice: The One Step You Can't Forget in Proxmox HA
A routine hardware upgrade turned into a cluster-wide reboot storm because someone forgot to put HA into maintenance mode. Here's what went wrong, how to prevent it, and why Proxmox still doesn't have a GUI button for this critical step.
Ceph, HA, and the Minimum Viable Cluster for SMBs
Exploring the smallest Proxmox cluster setup that makes sense for high availability with Ceph—from 2-node setups with QDevices to the community's recommended 3-5 node configurations.
Proxmox HA Storage: Ceph vs ZFS Replication vs NAS Failover Compared
Ceph vs ZFS vs NAS for Proxmox HA: tradeoffs, failure patterns, and architecture choices that improve reliability without overengineering.