Product : VMware, vSAN [SDS]/6.7 U3, Advanced
Feature : Small-scale (ROBO), Scaling, Server Support
Content Owner:  Herman Rutten
Summary
2 Node minimum
Details
The use of the witness virtual appliance eliminates the requirement of a third physical node in vSAN ROBO deployments. vSAN for ROBO edition licensing is best suited for this type of deployment.