'Delete a host on the storage system.'

def _delete_host(self, host_name):

    LOG.debug('enter:    _delete_host:    host    %s.', host_name)
    ssh_cmd = ['svctask', 'rmhost', host_name]
    (out, err) = self._ssh(ssh_cmd)
    self._assert_ssh_return((not out.strip()), '_delete_host', ssh_cmd, out, err)
    LOG.debug('leave:    _delete_host:    host    %s.', host_name)
