Re: hdparm and DMA
hi ay mark
On Tue, 19 Nov 2002, mdevin wrote:
> On Mon, Nov 18, 2002 at 17:04:44 -0800, Alvin Oga wrote:
> > thats a good option, you might also wanna try
> >
> > hdparm -c3 -d1 -u1 /dev/hda
> > -u1 allow the system to process other systeminterrupts
> > while waiting for the disk
>
> Yep, tried that too but each time I see errors in syslog and the drive
> resets itself.
the drive probably doesn't support -c3 or -u1
> > --- you can also check your cas timing speed to tune that to the
> > --- speed of your actual memory used ...
> > --- pc100 vs pc133 vs pc2100
> > ---
> > --- Do NOT mix different memory speeds ...
>
> I will check the bios setup again.
>
> > === CAUTION
> > === playing will hdparm options -- you risk losing data on your disks
>
> Yeah, I have read that and it worries me.
you're supposed to do hdparm testing on your spare disk that you
dont care about
- or at least backup your data and config files
have fun
alvin
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