Proxmox on Arm doesn't extend your cluster — it makes you run two
On 5 August Proxmox shipped the first officially supported edition of Proxmox VE 9.2 for arm64: same codebase, same repositories, same lifecycle and feature parity with x86-64. Buried in the announcement there is one sentence that decides how you design your infrastructure: guests only run on nodes matching their architecture, and live migration only works between nodes of the same architecture. What they actually shipped, what you give up crossing to Arm, why the Raspberry Pi is left out, and the five questions we ask before quoting an Arm node.
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