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Foglight Capacity Director 5.7.5 - User Guide

Using Foglight Capacity Director Getting Started Tab Current Capacity Tab Resource Utilization Tab Scenario Modeler Tab Server Purchase Tab Infrastructure Organizations Tab Performance Tuning Tab Changes and DRS Rules Tab Cloud Model Tab Report Tab

Clusters/Hosts and Workload pane

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 and when including/applying planned changes.

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. These values are not affected by including/excluding planned changes on the Planned Changes pane.
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. These values are not affected by including/excluding planned changes.
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. For more information, see . These values are automatically updated when including/applying planned changes.
Resource utilization related views: Projected CPU Usage view, Projected Memory Usage view, Projected Storage Usage view, and Projected Storage IOPs Usage view. The metric line in the white area is the history data, while the metric line in the gray area is the predicted data. These views are refreshed automatically after including planned changes. The following is an example of the Projected Memory Usage view. For more information, see Resource Utilization related views.

Click or on the Projected Memory Usage view to display the Planned Changes Summary dialog box that summarizes the planned changes.

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.
Recommendation on Additional Servers: Displays how many new servers should be added in the future (namely the value of Time Frame). This value is calculated based on the selected planned changes and the projected resource usage. Use the Settings dialog box to edit Time Frame. For more information, see .
NOTE: The new servers need to be added in the Server Purchase tab. Click >>Link to Server Purchase to add a new server. For more information, see Server Purchase Tab.
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.
Host Requirement - <New Servers>: Displays the number of Required Hosts and Available Hosts, if the new server is used as the calculation benchmark.
Required Hosts: Indicates how many hosts are required to support the usage of virtual machines. This number is populated based on the Server Details.
Available Hosts: Indicates 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).
Capacity Changes: Shows the changes on CPU capacity (in GHz) after including planned changes.
Usage Changes: Shows the changes on CPU usage (in GHz) after including planned changes.
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