Re: Odd network behaviour
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.
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