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Dell PowerFlex 4.5.x Administration Guide

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Updating the details for a resource group

About this task

When new resources are added or removed outside of PowerFlex Manager, you can update the resource group details to pull in those changes. If nodes are removed externally, updating the resource group details does not pull in the changes.

You can update the details for a new resource group that was deployed with PowerFlex Manager, or for an existing resource group that includes resources that were not originally deployed with PowerFlex Manager.

If the PowerFlex gateway used in the resource group is currently being updated on the Resources page, PowerFlex Manager does not enable you to update the resource group details.

Whenever you update the resource group details, PowerFlex Manager pulls in a representation of the components from the vCenter cluster, PowerFlex gateway, or CloudLink Center that was specified for the resource group. These components might include new nodes, volumes, SVMs, or MVMs. When a new component is added to the definition of a resource group, PowerFlex Manager does not modify the component.

If the CloudLink Center for the resource group shuts down, PowerFlex Manager loses communication with the CloudLink Center. If the CloudLink Center is part of a cluster, PowerFlex Manager moves to another CloudLink Center when you update the resource group details.

Before you update the details for a resource group, ensure that you run inventory for the vCenter and the PowerFlex gateway.

Steps

  1. On the menu bar, click Lifecycle > Resource Groups.
  2. Select the resource group.
  3. On the Resource Group Details page, under More Actions, click Update Resource Group Details.
  4. Review the OS Credentials page, and click Next.

    PowerFlex Manager shows all nodes, SVMs, and MVMs, along with their credentials. This enables you to update the username and password if it has changed for any of these items.

  5. Review the Inventory Summary page, and click Next.

    PowerFlex Manager does a rediscovery of the resource group, and tracks whether items are new to the resource group.

    In the Inventory Update column, PowerFlex Manager shows which items are added, removed, or kept as is within the resource group:

    • Adding indicates that an item was added externally and will now be added to the resource group.
    • Removing indicates that an item was removed externally and will now be removed from the resource group.
    • No Change indicates that an item was not modified externally and will be kept in the resource group.
  6. Review the Summary page, and click Finish.
    PowerFlex Manager checks the configuration and inventory of selected resources to ensure that everything is configured properly. The resource group is moved to the In Progress state, and any new component types are displayed on the Resource Group Details page. Recent Activity shows that a new deployment started.

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