--- Ken Moffat <[EMAIL PROTECTED]> wrote:
> On Tue, 6 Dec 2005, David Lockwood wrote:
>
> > Hi. Just starting to investigate the joys of hdparm. I was doing some
> > data shifting between partitions and noticed (using mc, runlevel 3)
> > that the data transfer rate was only about 1.5MB/s (copying from an
> > ntfs partition to a reiserfs). Here's the output of
> > #hdparm -i /dev/hda
> >
> >
> > i.e. dma wasn't turned on at all.
> > So as a newbie I follow a few leads on hd optimising among the few
> > options not listed as dangerous in man hdparm and settle on
> > # hdparm -c 1 -X udma2
> > and transfer rate increased to about 2.8MB/s.
> >
I've used the following line in my bootscripts:
hdparm -X66 -d1 -u1 -m16 -c3 -A1 -a8 /dev/hda
Also without problems. I also use laptop-mode, which dynamically changes hdparm
parameters. Never had any problems at all.
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