VSAN

vSphere Version vSAN Version On-Disk Format
vSphere 6.5 vSAN 6.5 3.0
vSphere 6.0 Update 2 vSAN 6.2 3.0
vSphere 6.0 Update 1 vSAN 6.1 2.0
vSphere 6.0 vSAN 6.0 2.0
vSphere 5.5 Update 3 vSAN 5.5 1.0