'Return the pool number of vsp_pool.'

def get_pool_id(self):

    pool_id = super(VSPHORCM, self).get_pool_id()
    if (pool_id is None):
        pool = self.conf.vsp_pool
        result = self.run_raidcom('get', 'pool', '-key', 'opt')
        for line in result[1].splitlines()[1:]:
            line = line.split()
            if (line[3] == pool):
                return int(line[0])
    return pool_id
