John Muir wrote:
>
> Hi,
>
> I seem to remember isntalling in 'expert' mode a few times, and being
> asked whether or not I wanted DMA on my Hard Disks set on.
>
> Now, since I've been short on time, I've been using the 'recommended'
> install, and there was no question about DMA, and now I'm trying to
> determine how to get that setup again.
>
> I know that the 'hdparm' command will set this up for me, but I'm not
> sure what parameters to use. Are there any 'auto-probe' tools that will
> 'guess' the most optimal hdparm settings for my system?
>
> Anyways, I'd like to use DMA on my system as it give a HUGE performance
> increase on disk access (at least the rest of the system doesn't bog
> down even if the disk access isn't noticibly faster).
>
> Where is that performance tuning stuff gone?
>
> ..John
"man hdparm" :) (very good as man pages go...)
I put the settings I want in /etc/rc.d/rc.local so it runs at boot,
e.g.: "hdparm -c1d1u1k1 /dev/hda". "hdparm -i" & "hdparm -I" will show
you the settings as found by kernel at boot/reported by your disk.
-WBD
