// not run inside a shell, so traditional shell instructions ('|', etc) won't work. To use
  // a shell, you need to explicitly call out to that shell.
  // Exit status of 0 is treated as live/healthy and non-zero is unhealthy.
  // +optional
  repeated string command = 1;
}

// Represents a Fibre Channel volume.
// Fibre Channel volumes can only be mounted as read/write once.