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Foglight Capacity Manager 5.7.7 - User Guide

Clusters/Hosts and Workload tabs

The Clusters tab and the Hosts and Workload tab display the details related to the selected virtual center or datacenter. This information is automatically updated after selecting a cluster.

The Clusters tab includes the following data:

Select a Cluster: Lists available clusters in the selected virtual center or datacenter.
Current Capacity: Displays the current capacity of the selected cluster, which includes the following data: CPU, Memory, Storage, Hypervisors, and VMs and Templates.
Peak CPU Performance: Displays the current CPU data of the selected cluster, which includes the following data: vCPU/Core Ratio, Physical CPU Cores, Powered On vCPUs, and Average % Ready.
Recommendations: Displays recommendations on the resources (CPU, Memory, and Storage) to be added in the future to ensure that the resource utilization is balanced. Use the Settings dialog box to edit the Baseline for Forecasting.

The Hosts and Workload tab includes the following data:

Select a Cluster: Lists available clusters in the selected virtual center or datacenter.
Overview: Summarizes the CPU capacity and memory capacity of the selected cluster. Both capacities are calculated based on the value selected from the Host Size drop-down list. The Host Size drop-down list includes the following options: average host size (default value) and based on specific host. The Host Requirement - Average Host Size view is refreshed automatically after changing the Host Size value. For more information, see Calculating Host Size based on specific host.
Host Requirement - Average Host Size: Displays the number of Required Hosts and Available Hosts, if the existing server is used as the calculation benchmark.
Required Hosts: Shows with the blue line, indicating how many hosts are required to support the current number of virtual machines. This number is populated based on the value selected from the Host Size drop-down list.
Available Hosts: Shows with the amber line, indicating the number of hosts, available in the selected cluster.

Calculating Host Size based on specific host

Resource Utilization related views

This section provides a detailed description of the following metrics presented in the embedded views in the Resource Utilization > Clusters tab.

Projected CPU Usage view

This embedded view is part of the Resource Utilization > Clusters view. To display this view, click the Clusters tab in the Resource Utilization view, and select a cluster from the Cluster Name table.

This view displays CPU utilization metrics on the selected cluster.

Utilization: This chart shows the actual CPU usage (in GHz).
Capacity: This chart shows the total CPU capacity (in GHz).
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