hdparm -W0 /dev/hda1
/etc/hdparm.conf
#mReschke for mysql optimization, see mreschke topic#108
/dev/sda3 {
write_cache = off
}
/dev/sdb3 {
write_cache = off
}
/dev/sdc3 {
write_cache = off
}
expire_logs_days = x
max_bindlog_size = xxM