// Similarly, the volume partition for /dev/sda is "0" (or you can leave the property empty).
  // +optional
  optional int32 partition = 3;

  // readOnly value true will force the readOnly setting in VolumeMounts.
  // More info: https://kubernetes.io/docs/concepts/storage/volumes#awselasticblockstore
  // +optional
  optional bool readOnly = 4;
}