I would like to disable completely the caching in memory, trying to measure real throughput read/write and iops on filesystem (not raw access). Other than direct=1 is there any flag I could use to obtain such complete bypass caching? Regards H. N. Harake -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html