Decide about which gcloud zone to use
Created by: StephenKing
We want to run in eu-west3 (Frankfurt). There are three zones.
Decide, which zone to use primarily. As storage volumes are bound to a zone, the instance running a container with a persistent volume claim must run in the very same zone.
Find out, what the status of eu-west1{a,b,c} is and if they are totally equal or recommendations by Google (e.g. because the a-zone is already almost full? unlikely, I guess..)