On Wed, 2 Oct 2002 12:30, Donovan Baarda wrote: > Don't forget the old reliable (adjust params to your particular situation); > > hdparm -m16 -c1 -d1 -u1 /dev/hda > irqtune 3 14 > > Install the hwtool package and configure... This enables interupts when > processing hda interupts, allowing interleaving of serial coms with HDD > activity. It also places serial interupts at a higher priority so they get > serviced before HDD. > > Note that the above hdpam settings can be risky on some hardware. I suspect > that the "-d1" which turns on DMA probably makes the other hdparm options > redundant. I have had the "-d1" trash HDD's on some MB's, but on most > modern motherboards its pretty much an essential system optimisation (huge > performance boost).
I believe that the -c1 option is redundant when you use -d1. In any case, if things are working properly then the setting of the -u flag will not make any difference. The ideal solution is to determine which hardware is defective and replace it. -- http://www.coker.com.au/selinux/ My NSA Security Enhanced Linux packages http://www.coker.com.au/bonnie++/ Bonnie++ hard drive benchmark http://www.coker.com.au/postal/ Postal SMTP/POP benchmark http://www.coker.com.au/~russell/ My home page