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MongoDB pods cannot start due to persistent volume mounting error.

\uD83C\uDF31 Solution

Redeploy MongoDB to use a new Recreate persistent volume claim.

1. Run command: kubectl delete statefulset mongo -n <onelist namespace>

2. Download the mongo.yaml file below.

3. Edit the mongo.yaml file. Change the persistent volume name to a new value that is different to the current value in your cluster. For example: mongo-persistent-volume-2.

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4. Run command: kubectl apply -f mongo.yaml -n <onelist namespace>

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1. Open to MongoDB statefulset deployment yaml.

2. Set replicas to 0. Save and wait for all pods terminates.
   

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3. Go to Storage → Persistent volume claims. Select the persistent volume claim belongs to the failing mogodb deployment and delete it.
   

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4. Go back to the MongoDB stateful set deployment yaml and change replicas to 1.

5. The pod should be able to start now.