'Disconnect a THIN volume pair.'

def _delete_thin_copy_pair(self, pvol, svol, interval):

    result = self.run_raidcom('get', 'snapshot', '-ldev_id', svol)
    if (not result[1]):
        return
    mun = result[1].splitlines()[1].split()[5]
    self.run_raidcom('unmap', 'snapshot', '-ldev_id', svol, success_code=ALL_EXIT_CODE)
    self.run_raidcom('delete', 'snapshot', '-ldev_id', pvol, '-mirror_id', mun)
    self._wait_thin_copy_deleting(svol, interval=interval)
