"Фиксы" для udev.
# Handle the scheduler choice according to the type of disk detected
# system default : set cfq scheduler for rotating disks
ACTION=="add|change", KERNEL=="sd[a-z]", ATTR{queue/rotational}=="1", ATTR{queue/scheduler}="cfq"
ACTION=="add|change", KERNEL=="sd[a-z]", ATTR{queue/rota...