vSAN Stretched Cluster Using an NSX-T Backed L3 Network
VMware vSAN and NSX-T Compatibility
There are lot of discussions that talk about VMware NSX and VMware vSAN, most of them around compatibility.
vSAN and NSX are compatible with each other, however, vSAN traffic is not supported on NSX overlay network. But, the way VDS Portgroups can be used to configure vSAN vmkernel adapters, NSX-T VLAN backed logical switches can also be used to configure vSAN vmkernel adapters. Apart from this, NSX-T logical routers can be used as gateways to route the vSAN traffic, of course the backing for such configuration must be with NSX-T VLAN logical switches.
In this blog post I cover how NSX-T can be used to setup configuration for vSAN stretched cluster.
Deep Dive of vSAN Stretched Cluster Using an NSX-T Backed L3 Network
One of the configurations for vSAN stretched cluster can be achieved with L3 networking between Data Nodes and the Witness Host. In such deployment, the Data Nodes and Witness Host may reside in different networks. Hence, the vSAN vmkernel adapters need to point to their gateways to talk to each other. Following is the high-level network view of such topology for vSAN stretched cluster where hosts use VDS Portgroups to configure the Continue reading

