'Find the system replay profile named "Daily".
:return: Profile instanceId or None.'

def _find_daily_replay_profile(self):

    pf = self._get_payload_filter()
    pf.append('scSerialNumber', self.ssn)
    pf.append('instanceName', 'Daily')
    r = self.client.post('StorageCenter/ScReplayProfile/GetList', pf.payload)
    if self._check_result(r):
        profiles = self._get_json(r)
        if profiles:
            return profiles[0]['instanceId']
    return None
