High availability doesn't require matching servers — my three different mini PCs proved it works anyway
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Running a Proxmox high availability cluster doesn't require identical hardware. Using three mismatched mini PCs, the author demonstrates that HA failover works as long as workloads are sized for the weakest node, storage is handled deliberately, and networking is consistent. The key tradeoffs are increased mental overhead for capacity planning and variable post-failover performance. The takeaway: mixed hardware clusters are viable for home labs when expectations are realistic and configurations are tested.
Table of contents
Proxmox high availability does not require identical hardwareFailover worked because the boring configuration mattered mostMixed mini PCs still create real operational compromisesThe compromises are acceptable when expectations stay realisticA weird little cluster still taught the right lesson135 Impressions