iSCCI is one of the best option where we can use our vSAN datastore from outside. We an configure our vSAN enabled ESXi hosts as iSCSI target.This help us to configure guest level clustering also.
Login to vCenter
Select the cluster
Click on edit button which in line with vSAN iSCSI Target Server option under vSAN services configuration
Select vmk0 adapter from Default iSCSI net(Here I have selected my default management network)
I’m using default port(3260)
I’m not using authentication for this lab setup.
Also I have selected default vSAN policy