During the deployment each service configured by the Dell Technologies Reference Architecture for Red Hat OpenStack Platform needs to reside upon a particular hardware type. For each server platform, two types of nodes have been designed:
- Dell EMC PowerEdge R650 or Dell EMC PowerEdge R750 for compute node s, controller node s, Solution Admin Host (SAH) s, or infrastructure hardware type.
- Dell EMC PowerEdge R750 for storage nodes.
Red Hat OpenStack Director is designed for flexibility, enabling you to try different configurations in order to find the optimal service placement for your workload. Overcloud: Node type to services presents the recommended layout of each service.
The Red Hat OpenStack Director is deployed to the Solution Admin Host (SAH) as an individual VM . This enables the VM to control its respective resources.
Node to deploy | Service |
Solution Admin Host (SAH) (KVM) | Red Hat OpenStack Director |
OpenStack controller s | Red Hat Ceph Storage Dashboard |
OpenStack controller s | Cinder-scheduler |
OpenStack controller s | Cinder-volume |
OpenStack controller s | Database-server |
OpenStack controller s | Glance-Image |
OpenStack controller s | HAproxy (Load Balancer) |
OpenStack controller s | Heat |
OpenStack controller s | Keystone-server |
OpenStack controller s | Neutron-server |
OpenStack controller s | Nova-controller |
OpenStack controller s | Nova dashboard-server |
Three or more compute node s | Nova-multi-compute |
OpenStack controller s | Pacemaker |
OpenStack controller s | RabbitMQ-server (Messaging) |
OpenStack controller s | Barbican (Secure manangement of secrets) |
OpenStack controller s | Octavia (LBaaS) |
OpenStack controller s | Red Hat Ceph storage RADOS gateway |
OpenStack controller s | Red Hat Ceph storage Monitor 1 |
Three or more storage servers | Red Hat Ceph storage (Block ) |
Optional services | |
Dell EMC Unity storage | |
Dell EMC PowerMax storage | |
Dell EMC SC series storage | |
Dell EMC SC series storage Enterprise Manager Server |