http://eweiibe6dfzpdr3sjwemxg6ntnl6os7hmoxqegg2igksed2xf35357yd.onion/help/administration/reference_architectures/_index.md
GitLab Geo requires at least two separate environments: One primary site. One or more secondary sites that serve as replicas. If the primary site becomes unavailable, you can fail over to one of the secondary sites. Use this advanced and complex setup only if DR is a key requirement for your environment.