Changer le sheduler d\'entrée/sortie
the "elevator=" boot option is used if you want to select one of the 4 available disk I/O schedulers. These are deadline, as, cfq, noop. By default if not specified, SUSE uses the CFQ disk scheduler which provides excellent load balancing. Deadline excels only in a few database operations and is considered to be slower than cfq in overall desktop usage. The 'as' (anticipatory) scheduler is the old one Linux used to use until it got replaced by the cfq one a while back, you can still use it though by providing at boot time the option elevator=as. Out of all disk schedulers, cfq provides the best load balancing so there's no need in changing it