"It's also perhaps the most stupid Unix design idea of all times. Unix is really nice and well done, but think about this a bit: 'For every file that is read from the disk, lets do a ... write to the disk! And, for every file that is already cached and which we read from the cache ... do a write to the disk!'" (Ingo Molnár, Red Hat)
noatime
Я не почем эта настройка не используется по умолчанию. На серверах это критично может улучшить перформанс. На домашних компах это тоже не помешает.
