Subject: Re: tar makes my disks crawl.
To: Chuck Silvers <email@example.com>
From: Nigel Reed <firstname.lastname@example.org>
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
On Sat, Jun 23, 2001 at 12:53:13AM -0700, Chuck Silvers wrote:
> do you see the same effect if you use /dev/rst0 instead of /dev/st0?
> 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