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Question 11/72
Are these conditions sufficient for Kubernetes to dynamically provision a persistentVolume, assuming there are no limitations on the amount and type of available external storage?
Solution: A default provisioner is specified, and subsequently a persistentVolumeClaim is created.
Solution: A default provisioner is specified, and subsequently a persistentVolumeClaim is created.
Correct Answer: B
Explanation
= The conditions are not sufficient for Kubernetes to dynamically provision a persistentVolume, because they are missing a StorageClass object. A StorageClass object defines which provisioner should be used and what parameters should be passed to that provisioner when dynamic provisioning is invoked. A persistentVolumeClaim must specify the name of a StorageClass in its storageClassName field to request a dynamically provisioned persistentVolume. Without a StorageClass, Kubernetes cannot determine how to provision the storage for the claim. References:
* Dynamic Volume Provisioning | Kubernetes
* Persistent volumes and dynamic provisioning | Google Kubernetes Engine ...
* Dynamic Provisioning and Storage Classes in Kubernetes or Dynamic Provisioning and Storage Classes in Kubernetes
= The conditions are not sufficient for Kubernetes to dynamically provision a persistentVolume, because they are missing a StorageClass object. A StorageClass object defines which provisioner should be used and what parameters should be passed to that provisioner when dynamic provisioning is invoked. A persistentVolumeClaim must specify the name of a StorageClass in its storageClassName field to request a dynamically provisioned persistentVolume. Without a StorageClass, Kubernetes cannot determine how to provision the storage for the claim. References:
* Dynamic Volume Provisioning | Kubernetes
* Persistent volumes and dynamic provisioning | Google Kubernetes Engine ...
* Dynamic Provisioning and Storage Classes in Kubernetes or Dynamic Provisioning and Storage Classes in Kubernetes
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