- atlanta-webservers
-
www-atl-1.example.com www-atl-2.example.com
- boston-webservers
-
www-bos-1.example.com www-bos-2.example.com
- atlanta-dbservers
-
db-atl-1.example.com db-atl-2.example.com
- boston-dbservers
-
db-bos-1.example.com
# webservers in all geos
- webservers:children
-
atlanta-webservers boston-webservers
# dbservers in all geos
- dbservers:children
-
atlanta-dbservers boston-dbservers
# everything in the atlanta geo
- atlanta:children
-
atlanta-webservers atlanta-dbservers
# everything in the boston geo
- boston:children
-
boston-webservers boston-dbservers