csi-migrated-volume-support.md

CSI migrated volume support

Velero Plugin for vSphere v1.4.0 and above supports backing up of migrated vSphere CSI volumes. A migrated vSphere CSI volume is originally provisioned by VMware vSphere Cloud Provider but migrated to vSphere CSI driver.

To enable this feature, we need to turn on feature gate csi-migrated-volume-support Below is the default configMap values.

kubectl -n velero describe  configmap/velero-vsphere-plugin-feature-states
Name:         velero-vsphere-plugin-feature-states
Namespace:    velero
Labels:       <none>
Labels:       <none>
Annotations:  <none>

  Data
  ====
csi-migrated-volume-support:
  ----
  false
decouple-vsphere-csi-driver:
  ----
  true
local-mode:

We can turn it on with below cmd

cat velero-vsphere-plugin-feature-states.yaml

apiVersion: v1
data:
   csi-migrated-volume-support: "true"
   decouple-vsphere-csi-driver: "true"
   local-mode: "false"
kind: ConfigMap
metadata:
   name: velero-vsphere-plugin-feature-states

kubectl -n velero apply -f velero-vsphere-plugin-feature-states.yaml

Prerequisite

We need to make sure vSphere CSI migration is properly enabled. Migrating In-Tree vSphere Volumes to vSphere Container Storage Plug-in

Below cmd will print all CRs, 1 for each migrated vSphere CSI volume

kubectl get cnsvspherevolumemigrations.cns.vmware.com -A