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From: Andre Noll <maan@systemlinux.org>
To: adam radford <aradford@gmail.com>
Cc: "Tony Battersby" <tonyb@cybernetics.com>,
	"Arnd Hannemann" <hannemann@nets.rwth-aachen.de>,
	"Johannes Wörner" <johannes.woerner@tuebingen.mpg.de>,
	"James Bottomley" <James.Bottomley@hansenpartnership.com>,
	linux-scsi <linux-scsi@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Performance problems with 3ware 9500S-4LP and 2.6.25-rc3
Date: Thu, 28 Feb 2008 10:46:08 +0100	[thread overview]
Message-ID: <20080228094608.GC29468@skl-net.de> (raw)
In-Reply-To: <b1bc6a000802271206l3e99afedt64d5f7cc238365d6@mail.gmail.com>

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On 12:06, adam radford wrote:
> On Wed, Feb 27, 2008 at 9:05 AM, Andre Noll <maan@systemlinux.org> wrote:
> > On 09:26, Tony Battersby wrote:
> >  > > Thanks, this helped a lot. However, there does not seem to be a way
> >  > > to make the system more responsive, which is really the problem we
> >  > > are experiencing.
> 
> Can you try turning down /sys/block/sdX/device/queue_depth to 16 and
> see if that improves your responsiveness?

Yes, that setting seems to improve responsiveness greatly.

Thanks a lot
Andre
-- 
The only person who always got his work done by Friday was Robinson Crusoe

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      reply	other threads:[~2008-02-28  9:48 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-26 17:43 Andre Noll
2008-02-26 17:54 ` Bernd Schubert
2008-02-27 10:10   ` Andre Noll
2008-02-26 18:33 ` Chris Snook
2008-02-27 10:11   ` Andre Noll
2008-02-27 19:55     ` Chris Snook
2008-02-28  9:46       ` Andre Noll
2008-02-26 23:07 ` Arnd Hannemann
2008-02-27 10:11   ` Andre Noll
2008-02-27 14:26     ` Tony Battersby
2008-02-27 17:05       ` Andre Noll
2008-02-27 20:06         ` adam radford
2008-02-28  9:46           ` Andre Noll [this message]

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