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Day 36 Task: Managing Persistent Volumes in Your Deployment 💥

Day 36 Task: Managing Persistent Volumes in Your Deployment 💥

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Gajanan Barure
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Table of contents

What are Persistent Volumes in k8s

In Kubernetes, a Persistent Volume (PV) is a piece of storage in the cluster that has been provisioned by an administrator. A Persistent Volume Claim (PVC) is a request for storage by a user. The PVC references the PV, and the PV is bound to a specific node. Read official documentation

Task 1:

Add a Persistent Volume to your Deployment todo app.

  • Create a Persistent Volume using a file on your node. Template

  • Create a Persistent Volume Claim that references the Persistent Volume. Template

  • Update your deployment.yml file to include the Persistent Volume Claim. After Applying pv.yml pvc.yml your deployment file look like this Template

  • Apply the updated deployment using the command: kubectl apply -f deployment.yml

  • Verify that the Persistent Volume has been added to your Deployment by checking the status of the Pods and Persistent Volumes in your cluster. Use this commands kubectl get pods.

  • Task 2:

    Accessing data in the Persistent Volume

    Connect to a Pod in your Deployment using command : `kubectl exec -it -- /bin/bash

    `Verify that you can access the data stored in the Persistent Volume from within the Pod

  • Created test.txt file in container

Deleted pod:

Recreating pod by itself after delete/Autohealing:

Verifying the same file in new pod:

Thank you for reading!! Hope you find this helpful.

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