On Sun, 15 Feb 2004, Kirk Strauser wrote:

> I use Amanda to backup an iMac running Mac OS X (10.2).  The backup runs
> perfectly, but the machine is horribly unresponsive while tar is running,
> both during the estimate and dump stages.  Renice'ing the tar processes
> doesn't seem to help, so I'm guessing that it might be an IDE DMA thing,
> although I don't know my way around Mac hardware well enough to know.
>
> Has anyone else seen this, and hopefully found a way to lessen the impact?

Yes, we've seen it, too.  Have not (yet) dug into it to try to figure
out what's going on.  The machine we've noticed it on is a Powerbook.

-Mitch