vSAN Capacity Management and Monitoring Series VMware vSAN provides a few dashboards for tracking capacity utilization, free space remaining, deduplication and compression efficiency, and more. There are also the classic vCenter Server alarms that provide various alerts for vSAN just like other datastores types (VVols, VMFS, NFS). Last, but not least, vSAN Health includes capacity-related
Source: vSAN Capacity Management and Monitoring Part 1