This video tutorial demonstrates and shows how to capture performance statistics using vSAN Observer for VMware Virtual SAN.
While watching this video you will see the necessary steps to launch, collect and display Virtual SAN Observer (vSAN Observer) performance charts and information for VMware Virtual SAN (vSAN).
VSAN Observer is designed to capture performance statistics for a Virtual SAN Cluster and provide access through a web browser and capture the statistics for customer use or for VMware Technical Support.
For additional information see
https://kb.vmware.com/kb/2064240