This is what we do now, basically. We have a Nomad Device Plugin and create local LVMs. We also have plumbing to move these between hosts. It works pretty well,

This is what we do now, basically. We have a Nomad Device Plugin and create local LVMs. We also have plumbing to move these between hosts. It works pretty well, it's just very limiting. What we need is to be able to target machines to specific volumes. And for things like database clusters, we need to control restart order during upgrades.