Manage instances (Compute tab)

As an administrative user, you can manage compute nodes. You can create and delete flavors, and you can create and manage host aggregates. For more information, refer to the :ref:compute-tab.

Manage compute hosts

#. Log into the OpenStack Dashboard as the Admin user.

#. On the :guilabel:Administrator page, open the :guilabel:Compute tab and click :guilabel:Hypervisors category.

#. Click :guilabel:Compute Hosts tab.

On the :guilabel:Compute Hosts page, you can :guilabel:Enable or :guilabel:Disable the compute hosts.

Create a flavor

#. Log into the OpenStack Dashboard as the Admin user.

#. On the :guilabel:Administrator page, open the :guilabel:Compute tab and click :guilabel:Flavors category.

#. Click :guilabel:Create Flavor.

#. On the :guilabel:Params Setting page, specify the following values.

:guilabel:Architecture: Select one of the following options:

• X86 Architecture: If choose this option, you can select :guilabel:General Purpose, :guilabel:Compute Optimized, :guilabel:Memory Optimized or :guilabel:High Clock Speed as flavor :guilabel:Type.

• Heterogeneous Computing: If choose this option, you can select :guilabel:Compute Optimized Type with GPU or :guilabel:Visualization Compute Optimized Type with GPU as flavor :guilabel:Type.

:guilabel:Name: Enter the flavor name.

:guilabel:CPU (Core): Enter the number of virtual CPUs to use.

:guilabel:RAM Size (GiB): Enter the amount of RAM to use, in gigabytes.

:guilabel:NUMA Nodes: Enter the number of Non-Uniform Memory Access nodes.

#. Click :guilabel:Next: Access Type Setting.

#. On the :guilabel:Access Type Setting page, specify the following values.

:guilabel:Access Type: Select one of the following options:

• :guilabel:`Public``: Select this option to make the flavor publicly visible.

• :guilabel:Access Control: If choose this option, you can select projects from :guilabel:Access Control list to determine which projects are visible to the flavor.

#. Click :guilabel:Confirm.

The new flavor is now displayed in the :guilabel:Flavors list.

Delete a flavor

#. Log into the OpenStack Dashboard as the Admin user.

#. On the :guilabel:Administrator page, open the :guilabel:Compute tab and click :guilabel:Flavors category.

#. Select the check boxes for the flavors that you want to delete.

#. Click :guilabel:Delete and confirm your choice.

A message indicates whether the action was successful.

Create a host aggregate

#. Log into the OpenStack Dashboard as the Admin user.

#. On the :guilabel:Administrator page, open the :guilabel:Compute tab and click :guilabel:Host Aggregates category.

#. Click :guilabel:Host Aggregate tab.

#. Click :guilabel:Create Host Aggregate.

#. In the :guilabel:Create Host Aggregate dialog box, specify the following values.

• :guilabel:Name: The host aggregate name.

• :guilabel:Create new AZ:

  • If set this option to :guilabel:Yes, specify :guilabel:New Availability Zone name to create new availability zone.

  • If set this option to :guilabel:No, select a :guilabel:Availability Zone of the host aggregate.

#. Click :guilabel:OK.

Manage host aggregates

#. Log into the OpenStack Dashboard as the Admin user.

#. On the :guilabel:Administrator page, open the :guilabel:Compute tab and click :guilabel:Host Aggregates category.

#. Click :guilabel:Host Aggregate tab.

#. In the :guilabel:Action column of the host aggregate, click :guilabel:Manage Host.

#. In the :guilabel:Manage Host dialog box, add hosts to the aggregate or remove hosts from it.

#. Click :guilabel:OK.