Particles have an ultrathin, conformal coating are made using atomic layer deposition methods. The area has a length and a depth. The case forms a space that accommodates the liquid containing portion. In response to receiving the failure indication, a status indicator is determined for a second storage processor coupled to the data array. The casing includes a locking mechanism which comprises a first and a second locking element, the first of which being in pushing connection with a first operating element and the second with the valve pin.