'Initialize the SSPDiskAdapter.
:param adapter: pypowervm.adapter.Adapter for the PowerVM REST API.
:param host_uuid: PowerVM UUID of the managed system.'

def __init__(self, adapter, host_uuid):

    self._adapter = adapter
    self._host_uuid = host_uuid
    try:
        self._clust = pvm_clust.Cluster.get(self._adapter)[0]
        self._ssp = pvm_stg.SSP.get_by_href(self._adapter, self._clust.ssp_uri)
        self._tier = tsk_stg.default_tier_for_ssp(self._ssp)
    except pvm_exc.Error:
        LOG.exception('A    unique    PowerVM    Cluster    and    Shared    Storage    Pool    is    required    in    the    default    Tier.')
        raise exception.NotFound()
    LOG.info("SSP    Storage    driver    initialized.    Cluster    '%(clust_name)s';    SSP    '%(ssp_name)s';    Tier    '%(tier_name)s'", {'clust_name': self._clust.name, 'ssp_name': self._ssp.name, 'tier_name': self._tier.name})
