Start from the documentation wiki and take all the steps required for an initial install on a 3-nodes cluster. You need only 3 VMs.Permalink
OpenIO Instant Scaling
Rebalancing is a painful and expensive, yet mostly necessary, part of scaling an object storage platform. But there is a better way to scale, and it doesn’t have to involve trade-offs. OpenIO is an object storage solution that can scale instantly and infinitely, without rebalancing data. You don’t have to sacrifice performance or risk failures when you scale.