On Fri, 2004-04-30 at 17:14, Alexander Dalloz wrote: > Am Fr, den 30.04.2004 schrieb Guolin Cheng um 22:54: > > > > My only concern is, I have been using "hdparm -d1 -c3 -m16 -a16 -A1 -u1 -W1 -k1 -K1 > > " command on all 4 PATA hard drives, to speed up disk access speed, and improve > > machines' responsiveness. All other options seems OK except "-u1", which, according > > to manual, may bring "massive filesystem corruption" (Although for 3 years I have seen > > no file system corruptions because of that). But if I don't enable the options, the Linux > > boxes will response way slow to keyboard when high-speed data transfer happens. > > > Guolin Cheng > > Well, forcing such agressive settings like you did is often cause for > trouble. I don't wonder any more. You did not mention such > non-selfdetected settings in your first mail. Communication between the > hard drive and the motherboard hardware using the chipset specific > driver is critical. In most every case you should let the kernel > autodetect the drives settings and not force things. > > Alexander I might add that I see nothing about bus speed. The default for linux has been 33Mhz for IDE systems (adding idebus=133 quadruples drive speed). I don't know about your system's maximum bus speed or your drives. -- jludwig <wralphie@xxxxxxxxxxx>
