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PowerProtect Data Manager 19.10 Kubernetes User Guide

Restore to a new namespace

Perform the following steps to restore a Kubernetes protection policy backup to a new namespace within a Kubernetes cluster:

Steps

  1. From the PowerProtect Data Manager UI, select Restore > Assets, and then select the Kubernetes tab.
    The Restore window displays all protected and unprotected namespaces.
  2. Select the checkbox next to a protected namespace and click Restore.
    You can also use the filter in the Name column to search for a specific namespace, or use the Search field to search on specific criteria.
    The Restore wizard appears.
  3. On the Select Copy page:
    1. Select the radio button next to a backup copy.
    2. Click Next.
    NOTE If you click Next without choosing a copy, the most recent backup copy is used.
  4. On the Cluster page, select one of the following options, and then click Next:
    • Restore to Original Cluster—Select this option to restore to a new namespace on the original cluster.
    • Restore to an Alternate Cluster—Select this option to restore to a new namespace on a different cluster, and then select the cluster from the list.

      A restore to an alternate cluster can be useful when:

      • Migrating namespaces from a cluster on-premises to a cluster in the cloud.
      • Moving namespaces from a lower cluster version to a higher cluster version.
      • Moving from one environment to another (for example, from a test environment to a production environment).
      NOTE When restoring to an alternate cluster, ensure that this Kubernetes cluster has been added and discovered in the PowerProtect Data Manager UI Asset Sources window.
  5. On the Purpose page:
    1. Select Restore Namespace and Select PVCs to restore namespace resources and selected persistent volume claims (PVCs). Optionally, you can also select Include cluster scoped resources to restore the cluster roles, cluster role bindings, and custom resource definitions (CRDs) that were backed up automatically as part of the Kubernetes protection policy. This option is only available for PowerProtect Data Manager 19.6 and later Kubernetes protection policy backups.
    2. Click Next.
    The Restore Type page displays.
  6. On the Restore Type page, select Restore to New Namespace, and then type a name for the new namespace. Click Next.
    The PVCs page appears, displaying the PVCs in the namespace that are available for restore.
  7. On the PVCs page:
    1. Clear the checkbox next to any PVCs that you do not want to restore.
    2. Optionally, select Change storage class for PVCs to compatible storage class if you want to retire the storage class on the original cluster and use the storage class on the target cluster for the PVCs being restored.
  8. Click Next.
    If you selected Change storage class for PVCs to compatible storage class in the previous page, the Storage Class page appears with a list of the PVCs in the namespace that are available for restore, along with their current storage class.
    If you did not select this option, the Summary page appears with a confirmation message indicating that namespace resources, including pods, services, secrets, and deployments, are not overwritten during the restore, and that all resources that do not exist in the namespace will be restored. Go to step 11.
  9. On the Storage Class page:
    1. Select the checkbox next to a PVC for which you want to change the storage class on the target cluster, or select multiple PVCs to change all selections to the same storage class.
      NOTE When changing the PVC storage class on the target Kubernetes cluster, if you select more than one PVC at a time on this page, only the storage classes that apply to all selected PVCs display. To view and select from all available storage classes, select one PVC at a time.
    2. Click Target Storage Class to select from the available storage classes.
      The Select Storage Class dialog appears.
    3. Select from one of the available storage classes, and then click Save to save your changes and return to the Storage Class page.
      NOTE PVCs that were backed up using first class disk (FCD) data path can only be restored to FCD storage classes. CSI-based PVCs, however, can be restored to FCD or CSI storage classes.
    4. If changing the storage class for one PVC at a time, repeat steps a through c.
    5. Click Next.
    PowerProtect Data Manager creates a mapping between the original storage class and the new storage class.
  10. On the Summary page, click Restore.
    An informational dialog box appears indicating that the restore has started.
  11. Go to the Jobs window to monitor the restore.
    A restore job appears with a progress bar and start time.

Next steps

To view the new namespace as an asset within the PowerProtect Data Manager UI, initiate a full discovery of the Kubernetes cluster from the Asset Sources window.


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