Subject: Re: pessimal siop performance
To: Johan Danielsson <>
From: Manuel Bouyer <>
List: current-users
Date: 02/09/2001 18:28:27
On Thu, Feb 08, 2001 at 11:09:12PM +0100, Johan Danielsson wrote:
> (Johan Danielsson) writes:
> > > How does your RAID get probed ?
> > 
> > Don't have easy access to dmesg output right now.
> Ok, I installed NetBSD (1.5 though) on the DS10 it's hooked up to, and
> it seems as if the performance problem is with the PC, since I seem to
> get the same 25MB/s as in DU. I'll see if I can try this with the
> other hardware next week or so.
> Is there reason to suspect that two '895 based cards can be very
> different in terms of performance?

Can you check the revision ID ? There's been different models.
Also could you give -current or a recent -release-1-5 kernel a try ?
1.5 siop doesn't have tagged queuing support, this may make a difference.

Manuel Bouyer, LIP6, Universite Paris VI.