Question

How do you re-attach a persistent volume to a kubernetes cluster?

I created a volume for my kubernetes cluster using a persistent volume claim (PVC). I destroyed the cluster when I had finished using it, but kept the volume because it might be useful in future. I now want to create a new cluster and attach the existing volume.

How can I attach that volume to a new kubernetes cluster?

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Phil Dougherty • July 25, 2019

Hey there! Quick update for you. This solution should work for you to use an existing volume.

https://github.com/digitalocean/csi-digitalocean/blob/master/examples/kubernetes/pod-single-existing-volume/README.md

imriparan • September 16, 2022

any response to this?

lukasgrossar • January 9, 2020

Has anyone tried the migration described in https://github.com/digitalocean/csi-digitalocean/blob/master/examples/kubernetes/pod-single-existing-volume/README.md by adding a claimRef that only specifies namespace and name but not uid? E.g.

apiVersion: v1
kind: PersistentVolume
metadata:
  name: example
spec:
  accessModes:
  - ReadWriteOnce
  azureDisk:
    ...
  capacity:
    storage: 10Gi
  claimRef:
    apiVersion: v1
    kind: PersistentVolumeClaim
    name: caluma-adfinis-minio
    namespace: caluma-adfinis
  persistentVolumeReclaimPolicy: Delete
  storageClassName: default
  volumeMode: Filesystem

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