disk problems or false alarm??

jludwig wralphie at comcast.net
Fri Apr 30 22:13:39 UTC 2004


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 at comcast.net>





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