'Attempts to open a connection to the storage center.'

def _setup_connection(self):

    connection = SCApi(self.san_ip, self.san_port, self.san_login, self.san_password, self.config.dell_sc_verify_cert, self.apiversion)
    connection.vfname = self.config.dell_sc_volume_folder
    connection.sfname = self.config.dell_sc_server_folder
    connection.excluded_domain_ips = self.config.excluded_domain_ip
    if (not connection.excluded_domain_ips):
        connection.excluded_domain_ips = []
    connection.primaryssn = self.primaryssn
    if (self.storage_protocol == 'FC'):
        connection.protocol = 'FibreChannel'
    if self.active_backend_id:
        connection.ssn = int(self.active_backend_id)
    else:
        connection.ssn = self.primaryssn
    connection.open_connection()
    return connection
