Active/Active HA Cluster

Two equal nodes, no cold standby — replicated storage (DRBD/GFS2) or app-level replication. Drain a node to patch with zero user impact.

Shared building block in the GEO knowledge graph — the high-availability pattern reused across platforms. A step-by-step build & operate guide will live here.

Used by

• Sovereign AI Platform — Self-hosted LLM inference on a multi-node cluster — ChatGPT-class capability that never leaves your perimeter.
• Sovereign Email Platform — Self-hosted email on an active/active HA cluster — ML-based spam, anti-phishing, and anti-virus filtering built in.