Affinity / Anti-Affinity Rules

Overview

For performance reasons, for example, you can Create an affinity rule. The DRS (Distributed Resource Scheduler) will then keep the VMs on the same ESXi host.
Otherwise, with a anti-affinity rule, the DRS will maintain the VMs on different ESXi hosts to, for example, prevent access failure if one ESXi host goes down.

More details: HERE

Prerequisites

• Deploy a VM

Affinity Rules

From the Data Center tab > Click on a Data Center > Affinity Rules > NEW

Define:

• A Name for the rule
• Check the boxes Enabled and Required
• The VMs to add to the rule

Click the SAVE button to save. The rule is created, and the 2 VMs will run on the same ESXi.

Anti-Affinity Rules

Select NEW and define:

• A Name for the rule
• Check the boxes Enabled and Required
• The VMs to add to the rule

The rule is created, and the 2 VMs are on different ESXi hosts.

You can Edit or Delete the rules using the buttons

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