El Jue 21 Oct 2004 18:32, Robert Epprecht escribi?: > Hmm, so maybe it would be less work to try both setups: > > 1) both hds as masters, optical drives as slaves. > 2) hds on one channel, dvds on the other one. > > The problem is that i do not really know how to test performance... To test IDE performance use hdparm. hdparm -tT /dev/hda It can occasionally cause unexpected data corruption but it's very usefull. Have a look at: http://linux.oreillynet.com/lpt/a/linux/2000/06/29/hdparm.html Mart?n.