If you need to backup the applications or volumes in system namespaces (such as those that begin with kube- and openshift-), you can display the system namespaces in Commvault by using the bK8sShowSystemNamespaces entity setting.
Procedure
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From the navigation pane, go to Manage > System. 
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Click the Settings tile. The Settings page appears. 
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Click Add, and then select Entity settings. The Add entity settings dialog box appears. 
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In the Name box, enter bK8sShowSystemNamespaces. 
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From the Entity list, select the Kubernetes access node. 
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In the Category box, enter VirtualServer. 
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From the Type list, select Boolean. 
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In the Value box, enter true. 
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In the Comment box, enter an explanation for the change. 
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Click Save.