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Re: Horrible performance: hdparm



Osamu Aoki wrote:
> Hi,
> 
> On Sat, Jul 08, 2006 at 06:10:37PM -0400, Joey Hess wrote:
> > Rich Johnson wrote:
> > > Judging from the lackadaisical disk LED activity, I doubt it's the disk.
> > 
> > Disk issues can lead to apparently low disk activity in some situations,
> > and it's the first thing I'd check: Make sure that DMA is on, make sure
> > that hdparm is optimally tuned, etc.
> > 
> > -- 
> > see shy jo
> 
> If installation guru has to tell this, is not it time to make this as
> default?

Note that the mail I replied to was about an apparently quite old
machine of the sort where the kernel sometimes conservatively doesn't
default DMA to on. That doesn't affect modern machines, AFAIK.

> We have written out 386 machines.

Parse error, especially given the above.

-- 
see shy jo

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