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HP Integrity Essentials Capacity Advisor: HP Integrity Essentials Capacity Advisor User's Guide Version A.03.00.00 > Chapter 4 Basic Operations

Working with Systems

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Overview of Working with Systems

Systems can represent physical hardware, Virtual Machines (VM), or Virtual Machine Hosts. They can be real systems from your current environment or “What-If” creations to represent new systems you are planning. You can also modify a system based on an existing system to represent planned configuration changes. The following tasks are described:

Creating a System

When developing a scenario to model future configurations, you can create systems to represent systems you are considering adding to the configuration.

IMPORTANT: You must decide during the initial creation the name and if the system is going to be a Virtual Machine (VM) or a host for virtual machines (VM Host). You cannot change these once the system has been created.

Prerequisites. To create a system in a scenario:

Procedure 4-31 To Create a System in a Scenario

  1. If you are not on the System tab, click the System tab.

    The System tab will open, listing the systems in the scenario.

  2. Select What-If Action->Create System... from the menu-bar.

    The Edit Scenario - Create System screen will be displayed.

  3. Fill in the System Name field. This name must not be the same as any other system name in the VSE environment. The only characters allowed are upper and lower case alpha, numeric, and the dash and period. The first character must be an alpha character. You cannot change the name once the system is created.

  4. Select the appropriate System Type. If there are no VM Hosts, the VM choice will be disabled.

    IMPORTANT: You cannot change this once the system has been created.
  5. If you have selected VM in the previous step, select a VM Host.

  6. Modify the CPU Resources as appropriate.

  7. Modify the Memory as appropriate.

  8. If you have other systems to create, click the Apply button and repeat the preceding 5 steps, otherwise, proceed to the following step.

  9. Click the OK button.

    The System tab of the Capacity Advisor - Edit Scenario screen will open.

What Now? Once you have created a system, you might want to:

Adding an Existing System

As your environment changes, you may want to add an existing system to a scenario.

Prerequisites. To add existing systems to a scenario:

Procedure 4-32 To Add an Existing System to a Scenario

  1. If you are not on the System tab, click the System tab.

    The System tab will open, listing the systems in the scenario.

  2. Select Edit->Add Existing Systems... from the menu-bar.

    The Edit Scenario - Add Existing Systems screen will be displayed. The systems with available HP Integrity Essentials Capacity Advisor data will be displayed in a list with check boxes beside them. Any systems licensed for Capacity Advisor will be named below the list.

  3. If any of the systems you want to add to the scenario are not displayed on this page, you need to license them for Capacity Advisor (see the section “Activating Licenses” in VSE Management Software Quick Start Guide Version A.03.00.00) and collect data on them (see Collecting Data).

  4. If the systems you wish to add to the scenario are in the list of licensed systems without available Capacity Advisor data, collect data on them (see Collecting Data) and continue with the next step.

  5. Click in the check boxes beside the systems you want to add to the scenario to select them.

    Check marks will appear in the check boxes and the row containing he system will highlight to indicate selection.

  6. Click the OK button.

    The System tab of the Capacity Advisor - Edit Scenario screen will open.

What Now? Once you have added a system to a scenario, you might want to:

Editing a System

When constructing a scenario, it is frequently necessary to modify the characteristics of a system to reflect future changes to existing hardware or to reflect the characteristics of a planned system.

Prerequisites. To edit a system in a scenario:

Procedure 4-33 To Edit a System

  1. If you are not on the System tab, click the System tab.

    The System tab will open, listing the systems in the scenario.

  2. Click the check box preceding the name of the system you wish to edit.

    A check mark will appear in the check box.

  3. Select What-If Action->Edit System... from the menu-bar.

    The Edit Scenario - Edit System screen will be displayed in a new window.

  4. Modify the CPU Resources and/or Memory parameters as desired (click the ? button to access help for details on the controls).

    IMPORTANT: You cannot modify the CPU speed of a virtual machine (VM); you must modify the CPU speed of a VM Host, which will modify the speed of all VMs hosted by it.
  5. Click the OK button.

    The System tab of the Capacity Advisor - Edit Scenario screen will open.

What Now? Once you have edited a system, you might want to:

Moving a Virtual Machine

Moving Virtual Machines (VMs) among VM Hosts allows you to redistribute virtual equivalents of existing systems across physical servers. Capacity Advisor automatically takes into account use of dynamic memory by a Virtual Machine.

Prerequisites. To move a virtual machine:

Procedure 4-34 To Move a Virtual System

  1. If you are not on the System tab, click the System tab.

    The System tab will open, listing the systems in the scenario.

  2. Click in the check box preceding the virtual system you wish to move.

    A check mark will appear in the check box.

  3. Select What-if Action->Move Virtual Machine... from the menu-bar.

    The Edit Scenario - Move Virtual Machine screen will be displayed, with a list of all the VM Hosts available to host the VM.

    NOTE: Bar-graphs representing the CPU Utilization and Memory Utilization that will exist if the VM were moved to each of the VM Hosts provide a quick estimate of how the VM will “fit” on each of the host systems.
  4. Click in the circle preceding the name of the VM host that will be the new host for the VM.

    The circle will be filled in and the row containing the VM Host will be highlighted indicating the selection.

  5. Click the OK button.

    The System tab of the Capacity Advisor - Edit Scenario screen will open.

What Now? Once you have moved a virtual machine, you might want to:

Removing a System

As your scenarios evolve, you might need to remove systems from a scenario to represent planned or actual changes.

Prerequisites. To remove systems from a scenario:

Procedure 4-35 To Remove Systems from a Scenario

  1. If you are not on the System tab, click the System tab.

    The System tab will open, with a listing the systems in the scenario.

  2. Click in the check boxes beside the systems you want to remove from the scenario to select them.

    Check marks will appear in the check boxes.

  3. Select Edit->Remove Systems... from the menu-bar.

    A confirmation screen listing the systems you are removing will be presented.

  4. Click the OK button.

    You will be returned to the Capacity Advisor - Edit Scenario screen with the systems you selected removed.

What Now? Once you have removed systems, you might want to:

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