Mastering Proxmox - Third Edition

Current load versus future growth

When designing a cluster, you should always think of future growth, at least the growth for the foreseeable future. An enterprise cluster must be able to grow with the company and adapt to increased workloads and computational requirements. At the very least, plan in such a way that you do not exceed your resources within a few months of your deployment. Both the Proxmox and Ceph clusters have the ability to grow at any time and to any size. This provides the ability to simply add new hardware nodes to expand cluster size and increase the resources required by the virtual machines.

When provisioning your node memory configuration, take failover load into account. You will likely need to have 50 percent capacity ...