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Foglight Capacity Director 7.3.0 - User Guide

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

VirtualCenter/Hosts Overview pane

After selecting a virtual center or datacenter by using the Group selector located at the top of the dashboard, Foglight Capacity Director calculates the capacity of the selected center in the background and displays the following information on the VirtualCenter/Hosts Overview pane:

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Current Capacity: Includes information about the following metrics: Running VMs, Available VMs, and Total VMs.
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Constraint: Includes information about the following metrics: Cluster Name and Time to Full.
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Datastore(s) Included: Allows you to select from the drop-down list the datastores.
The following options are available: All Datastores (default option) and particular datastores that varies depending on the virtual center/datacenter selected by the group selector.
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All Datastores: The Slot Size and available slots are calculated based on all available datastores.
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Particular datastore: The Slot Size and available slots are calculated based on the cluster/host connected to the selected datastore.
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NOTE: The Clusters/Hosts pane is automatically updated to reflect the selection made.
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Slot Size: Allows you to select from the drop-down list the size of the virtual machine (the slot size).
The following options are available: Based on VM, Cluster Average (default option), Cluster Maximum, and Custom Size.
For details, see the “Calculating Slot Size Based on VM” and “Calculating Slot Size Using Custom Size” sections.
* 
NOTE: The Clusters/Hosts pane is automatically updated to reflect the selection made.

Calculating Slot Size Based on VM

To recalculate the slot size Based on VM:
1
In the VirtualCenter/Hosts Overview pane, select Based on VM from the Slot Size drop-down list.
The Select a VM button appears on the right side of the Slot Size drop-down list.
2
Click Select a VM.
The VM Selection Dialog box appears.
3
Select a virtual machine from the table, or by typing its name in the Search box.
4
Click OK.
The VM Selection Dialog box closes and the Clusters/Hosts pane is updated to reflect this change.

Calculating Slot Size Using Custom Size

To recalculate the slot size based on a custom size:
1
In the VirtualCenter/Hosts Overview pane, select Custom Size from the Slot Size drop-down list.
The Edit Slot Size button appears on the right side of the Slot Size drop-down list.
2
Click Edit Slot Size.
The Enter custom values dialog box appears.
3
Specify the values for CPU, Memory, Storage, and Throughput for the custom virtual machine.
4
Click Save.
The Enter custom values dialog box closes and the Clusters/Hosts pane is updated to reflect this change.

Clusters/Hosts pane

The Clusters/Hosts pane displays the details related to the selected virtual center or datacenter. This information is automatically updated when the Slot Size settings are modified. For more information, see Calculating Slot Size Based on VM and Calculating Slot Size Using Custom Size .

The Clusters/Hosts pane includes the following capacity data:

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Filtered by cluster (Hosts tab only): Filter the hosts that contain the selected cluster.
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Cluster Name (Clusters tab) or Name (Hosts tab): Name of the selected cluster or host.
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ESX Hosts (Clusters tab only): Number of ESX® hosts in the selected cluster.
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Slot Size: CPU, Memory, Storage, and Throughput resources available on the virtual machine.
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VMs: Number of running virtual machines in the selected cluster or host.
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Slots Available: Number of available slots in the selected cluster or host.
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Constraint: Available constraint in the selected cluster or host.
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HA (Clusters tab only): If the HA policy is enabled for a cluster, Foglight Capacity Director calculates the cluster resources and reserves the cluster resources that are required to satisfy the HA policy. A green check mark appears in the HA column when the HA policy is enabled.
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