The vSAN Cluster Disk Group Summary tab provides an overview of the state of the selected vSAN Disk Group. For the selected object, the vSAN Disk Group tab displays the alerts, time remaining, capacity remaining, utilization, configuration, and metrics as they affect the health, risk, or efficiency. You can use this tab to evaluate the impact that alerts are having on the vSAN Disk Group and use that information to begin troubleshooting problems.

Where To View vSAN Cluster Disk Group Summary

From the left menu, click Environment > Object Browser> vSAN > vSAN and Storage Devices > vSAN Cluster > Host System > Disk Group.

Table 1. vSAN Cluster Disk Group Summary Options
Option Description
Troubleshoot Start the Troubleshooting Workbench with the current object in context.
Object Summary

This widget displays the details of the selected object. The widget also displays the number of resources associated with the selected object.

Active Alerts
This widget provides a visual indicator of the alert status for the following alert types.
  • Health alerts that usually require immediate attention.
  • Risk alerts indicating that you must look into any problems shortly.
  • Efficiency alerts indicating that you can reclaim resources.

To see the alerts for the object, click the labels of the alert.

Time Remaining

This widget displays the number of days remaining till the projected resource utilization crosses the threshold for the usable capacity.

Capacity Remaining This widget displays the unused capacity of your virtual environment to accommodate new virtual machines.
Utilization This widget is used to find out the trends in capacity used by a selected vSAN cluster disk group as against the total capacity available.

This widget displays the memory contention details of the vSAN cluster.


This widget displays the throughput and latency details for the vSAN cluster disk group.