You can turn off Virtual SAN for a host cluster.
When you disable the Virtual SAN cluster, all virtual machines located on the shared Virtual SAN datastore become inaccessible. If you intend to use virtual machine while Virtual SAN is disabled, make sure you migrate virtual machines from Virtual SAN datastore to another datastore before disabling the Virtual SAN cluster.
Verify that the hosts are in maintenance mode.
- Navigate to the host cluster in the vSphere Web Client.
- Click the Manage tab and click Settings.
- Under Virtual SAN, select General and click Edit to edit Virtual SAN settings.
- Deselect the Virtual SAN Turn On check box.