quiet
/dev/sda {
        apm = 128
        spindown_time = 240
}

/dev/sdb {
        apm = 128
        spindown_time = 240
}
/dev/sdc {
        apm = 128
        spindown_time = 240
}
/dev/sdd {
        apm = 128
        spindown_time = 240
}