// More info: https://examples.k8s.io/mysql-cinder-pd/README.md
  optional string volumeID = 1;

  // fsType Filesystem type to mount.
  // Must be a filesystem type supported by the host operating system.
  // Examples: "ext4", "xfs", "ntfs". Implicitly inferred to be "ext4" if unspecified.
  // More info: https://examples.k8s.io/mysql-cinder-pd/README.md
  // +optional
  optional string fsType = 2;