Subject: Re: tar makes my disks crawl.
To: Chuck Silvers <chuq@chuq.com>
From: Nigel Reed <nigel@nelgin.nu>
List: current-users
Date: 06/23/2001 03:34:18
Hmm. Using /dev/rst0 appears to be working just fine. Now I think
about it, I probably should be writing to the raw tape device rather
than the block device, right? The backup also seemed to be much faster

Regards
Nigel

On Sat, Jun 23, 2001 at 12:53:13AM -0700, Chuck Silvers wrote:
> hi,
> 
> do you see the same effect if you use /dev/rst0 instead of /dev/st0?
> 
> -Chuck
> 
> 
> On Fri, Jun 22, 2001 at 07:56:34PM -0500, Nigel Reed wrote:
> > Another thing I've just noticed is that I'm getting dire disk performance
> > while using tar. Again, 1.5W kernel/userland on i386 platform.
> > 
> > tar cvf /dev/st0 .
> > 
> > As soon as I set the command going I tried to load mutt, it loads about
> > 400 messages in about 5 seconds usually, once I had set the tar going
> > it look 6 seconds to load 10 mesasges.
> > 
> > Typing ls -l just hands me solid for about 15 seconds before it
> > displays the list.
> > 
> > I'm backing up from an IDE drive to a Hp Surestore Tape 2000. Here is
> > the complete dmesg for my system

--