You can configure the secondary site as the preferred site. The current preferred site becomes the secondary site.

Procedure

  1. Navigate to the vSAN cluster in the vSphere Web Client.
  2. Click the Configure tab.
  3. Under vSAN, click Fault Domains and Stretched Cluster.
  4. Select the secondary fault domain and click the Mark Fault Domain as preferred for Stretched Cluster icon ().
  5. Click Yes to confirm.

    The selected fault domain is marked as the preferred fault domain.