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Writer's pictureMohammed Bilal

Adding and Deleting a Cluster in the SDDC

In this lab I have used a custom core count to add a cluster to an SDDC and then delete this cluster:


  • Add a Cluster to the SDDC

  • Add Hosts to the Cluster

  • Remove a Host from the Cluster

  • Delete the Cluster from the SDDC


Add a Cluster to the SDDC:


You add a new cluster to the SDDC and configure a custom core count for the hosts.


  • From the VMware Cloud console browser tab, access the Summary tab of your Zerocloud SDDC. A Zerocloud label appears on the SDDC tile

  • On the VMware Cloud home page, click SDDCs on the left pane

  • Click the name of your Zerocloud SDDC. The Summary tab of the SDDC opens

  • On the Summary tab, click ADD CLUSTER on the Capacity and Usage tile. The Review SDDC Information page opens

  • In the Number of CPU Cores Per Host drop-down menu, select 16

  • In the Number of Hosts drop-down menu, select 1

  • Click ADD CLUSTER


  • A tile for the New Cluster and a tile for the existing Cluster-1 appear.

  • This process takes approximately 20 minutes when you use an SDDC that is supported with physical resources. In this Zerocloud lab, the process takes approximately 1 minute



Add Hosts to the Cluster:


You add hosts to the newly created cluster in the SDDC.


  • On the Summary tab, click ADD HOST on the Cluster-2 tile.

A warning appears: Elastic DRS is enabled for this cluster. Are you sure you want to manually add a host?



  • Click CONTINUE. The Add Hosts page opens

  • In the Number of Hosts drop-down menu, select 3

  • Click ADD HOSTS


The label DEPLOYING_HOSTS appears on the Cluster-2 tile. This process takes a few minutes.


A notification appears, confirming that the host is successfully added.


Remove a Host from the Cluster:


You remove a single host from an existing cluster in the SDDC.


  • On the Summary tab, select Remove Host in the ACTIONS drop-down menu on the Cluster-2 tile

A warning appears: Elastic DRS is enabled for this cluster. Are you sure you want to manually remove a host?

  • Click CONTINUE. The Remove Hosts page opens

  • In the Number of Hosts to Remove drop-down menu, select 1

  • Select the I understand that this action cannot be undone check box

  • Click REMOVE

The label DELETING_HOSTS appears on the Cluster-2 tile. The host removal process takes a few minutes.


A notification appears, confirming that the host is successfully removed.



Delete the Cluster from the SDDC:


You delete the cluster that you added


  • On the Summary tab, select Delete Cluster in the ACTIONS drop-down menu on the Cluster-2 tile

  • Confirm that you are aware of the consequences of deleting your cluster

    • Select the All workloads in this cluster will be terminated check box

    • Select the You will lose all data and configuration settings in this cluster check box

    • Select the You will lose all UI and API access to this cluster check box

    • Select the All public IP addresses for this cluster will be released check box

  • Click DELETE CLUSTER


The label DELETING_CLUSTER appears on the Cluster-2 tile.


The deletion process takes a few minutes. A notification appears, confirming that the cluster is successfully removed.


NOTE: The Cluster-1 tile no longer appears. The Cluster-1 tile is visible only when the SDDC has multiple clusters.


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