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Dell EMC VxRail Multirack Deployment Guide
vSAN witness traffic as an enabled VMkernel service
Configure fault domains
In this section, the two fault domains that are required for vSAN stretched clusters are created. Table 5 shows
all VxRail nodes in Rack 1 are placed in the Preferred fault domain. The table also shows all nodes in Rack 2
are placed in the Secondary fault domain.
Fault domains
Fault domain Rack ID Node membership
Preferred
1
sfo01w01vxrail01, sfo01w01vxrail02, sfo01w01vxrail03, sfo01w01vxrail04
Secondary
2
sfo01w01vxrail05, sfo01w01vxrail06, sfo01w01vxrail07, sfo01w01vxrail08
Table 6 shows the vSAN witness appliance disk settings that are selected during the fault domain creation
wizard. These settings are specific to the vSAN witness appliance.
Witness appliance settings
Setting
Value
Local VMware Disk (mpx.vmhba1:C0:T2:L0)
cache tier
Local VMware Disk (mpx.vmhba1:C0:T1:L0)
capacity tier
Note:
For step-by-step instructions on deploying fault domains, see
Manually Configure vSAN Stretched
Cluster
.