ADD_ARG (argv, i, "--raid-devices");
snprintf (nrdevices_s, sizeof nrdevices_s, "%d", nrdevices);
ADD_ARG (argv, i, nrdevices_s);
ADD_ARG (argv, i, "--raid-devices");
snprintf (nrdevices_s, sizeof nrdevices_s, "%d", nrdevices);
ADD_ARG (argv, i, nrdevices_s);