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Using the LVMS

To automatically provision and mount a logical volume to a pod, use the LVMS default StorageClass. By creating a PersistentVolumeClaim object without defining the .spec.storageClassName field, you trigger the dynamic provisioning of a PersistentVolume from this default resource.

Use the following procedure to provision and mount a logical volume to a pod.

Procedure

To provision and mount a logical volume to a pod, run the following command:

$ cat <<EOF | oc apply -f -
kind: PersistentVolumeClaim
apiVersion: v1
metadata:
  name: my-lv-pvc
spec:
  accessModes:
  - ReadWriteOnce
  resources:
    requests:
      storage: 1G
---
apiVersion: v1
kind: Pod
metadata:
  name: my-pod
spec:
  containers:
  - name: nginx
    image: nginx
    command: ["/usr/bin/sh", "-c"]
    args: ["sleep", "1h"]
    volumeMounts:
    - mountPath: /mnt
      name: my-volume
    securityContext:
      allowPrivilegeEscalation: false
      capabilities:
        drop:
          - ALL
      runAsNonRoot: true
      seccompProfile:
        type: RuntimeDefault
  volumes:
    - name: my-volume
      persistentVolumeClaim:
        claimName: my-lv-pvc
EOF