Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758114AbYB1JsR (ORCPT ); Thu, 28 Feb 2008 04:48:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754237AbYB1JsH (ORCPT ); Thu, 28 Feb 2008 04:48:07 -0500 Received: from systemlinux.org ([83.151.29.59]:59552 "EHLO m18s25.vlinux.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752649AbYB1JsG (ORCPT ); Thu, 28 Feb 2008 04:48:06 -0500 Date: Thu, 28 Feb 2008 10:46:08 +0100 From: Andre Noll To: adam radford Cc: Tony Battersby , Arnd Hannemann , Johannes =?iso-8859-1?Q?W=F6rner?= , James Bottomley , linux-scsi , linux-kernel Subject: Re: Performance problems with 3ware 9500S-4LP and 2.6.25-rc3 Message-ID: <20080228094608.GC29468@skl-net.de> References: <20080226174314.GA30767@skl-net.de> <47C49B99.1060707@nets.rwth-aachen.de> <20080227101154.GD30767@skl-net.de> <47C57327.6070901@cybernetics.com> <20080227170528.GB29468@skl-net.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="xo44VMWPx7vlQ2+2" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1345 Lines: 42 --xo44VMWPx7vlQ2+2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 12:06, adam radford wrote: > On Wed, Feb 27, 2008 at 9:05 AM, Andre Noll 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. >=20 > 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 --=20 The only person who always got his work done by Friday was Robinson Crusoe --xo44VMWPx7vlQ2+2 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (GNU/Linux) iD8DBQFHxoLgWto1QDEAkw8RAvHdAKCQwfc48LLFiHfgeq5ixDN9JIE/6ACffEz8 7IbmjoookCU7sNuLsc1G1Bw= =/oiv -----END PGP SIGNATURE----- --xo44VMWPx7vlQ2+2-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/