The layout must be n, o, or f (arrangement of the copies) followed by a number (number of copies of each chunk). The number must be smaller or equal to the number of active devices.
Taneɣruft ilaq ad tili n, o, neɣ (asemyizwer n wanɣalen) yettuḍfer s umḍan (amḍan n wanɣalen i yal tiḥdert). Amḍan ilaq ad yili ddaw neɣ kifkif akked yibenkan urmiden.