Affinity Groups

Affinity Groups control the placement of VMs on hypervisor hosts within the cloud infrastructure. Use them to co-locate VMs for low-latency communication or spread them across hosts for fault tolerance.

Create an Affinity Group

• From the left-hand menu, click Affinity Groups.
• Click Create Affinity Groups or the + icon.
• Choose the Project and Availability Zone.
• Enter a Name and Description.
• Select the affinity group type:

Type	Behavior
Host Affinity (Strict)	VMs must always run on the same hypervisor host. If not possible, deployment fails.
Host Anti-Affinity (Strict)	VMs must always run on different hosts. If not possible, deployment fails.
Host Anti-Affinity (Non-Strict)	Prefers different hosts, but allows same host if capacity requires it.
Host Affinity (Non-Strict)	Prefers same host, but allows different hosts if needed.

• Click Submit.