The Stratus Cloud Solution requires an OpenStack environment with a minimum of:
One OpenStack controller running Horizon, Keystone, Glance, and Heat
OpenStack projects can be configured to run on separate nodes; however, for simplicity and maintainability, the core projects (Horizon, Keystone, and Glance) are typically deployed on a single node. Although Heat is usually optional, the Stratus Cloud Solution requires it for orchestration services.
Two Nova compute nodes running the KVM hypervisor
Compute nodes provide CPU and memory for your instances. When calculating your hardware requirements, consider the expected number of instances and resource needs of your workloads.
One Neutron network node
Neutron is typically configured to run on a separate node because it requires high bandwidth, but it may be installed on the OpenStack controller for smaller cloud configurations.
Optionally, one Cinder storage node
Block storage (Cinder) is configured on separate node clusters with expandable storage.
Cinder resiliency must be supplied by your Cinder storage solution, especially if you deploy mission-critical applications.
A 10Gb storage network is recommended for best performance and reliability.
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