Lab architecture

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This Openstack Lab is composed of one region (fr1) and two availability zones (az1 and az2).

In the first availability zone :

  • 3 compute nodes (aka hypervisors) for Nova
  • 1 Ceph cluster for Cinder
  • 3 bare metal nodes for Ironic

In the second availability zone :

  • 3 compute nodes
  • 1 Ceph cluster


Lab architecture


The different networks are :

  • fr1-az1 : provider network in AZ1 (flat, i.e. without VLAN, shared, i.e. available for everybody and external, i.e. managed outside Openstack)
  • fr1-az2 : provider network in AZ2
  • ironic : external VLAN for bare metal nodes (only available in AZ1)
  • octavia : external VLAN for Octavia management (only available in AZ1)


Network architecture.png


For the needs of the lab, the actual hardware used is :

  • 4 VMs for Openstack controllers
  • 3 VMs acting as hyperconverged nodes in AZ1
  • 3 VMs acting as bare metal nodes in AZ1
  • 3 VMs acting as hyperconverged nodes in AZ2