Re: Playing with SATA NCQ

Jens Axboe
2005-05-30T06:05:11Z

On Sun, May 29 2005, Jeff Garzik wrote:
> Michael Thonke wrote:
> >Well the subjective feeling is great through! What I noticed is a
> >improvement on rsync (goes slighty faster drive to drive).
> >The noise decrease now it only make noise on very heavy IO reads and
> >writes.
>
>
> It might be as simple as... NCQ means the drive is doing more work.
> More work means more noise.

You can argue both ways :-). Usually more noise means more seeks and
thus less work done.

--
Jens Axboe