Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755491AbYB0KNs (ORCPT ); Wed, 27 Feb 2008 05:13:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752699AbYB0KNi (ORCPT ); Wed, 27 Feb 2008 05:13:38 -0500 Received: from systemlinux.org ([83.151.29.59]:55128 "EHLO m18s25.vlinux.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752590AbYB0KNh (ORCPT ); Wed, 27 Feb 2008 05:13:37 -0500 Date: Wed, 27 Feb 2008 11:11:54 +0100 From: Andre Noll To: Arnd Hannemann Cc: adam radford , Tony Battersby , 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: <20080227101154.GD30767@skl-net.de> References: <20080226174314.GA30767@skl-net.de> <47C49B99.1060707@nets.rwth-aachen.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="W5WqUoFLvi1M7tJE" Content-Disposition: inline In-Reply-To: <47C49B99.1060707@nets.rwth-aachen.de> 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: 1702 Lines: 51 --W5WqUoFLvi1M7tJE Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 00:07, Arnd Hannemann wrote: > > During the daily cron job that uses rsync to sync a 500G file system > > from another machine to the raid on the 3ware controller the load > > jumps up, and the machine becomes sluggish as hell. For example, an > > ssh login to that machine takes minutes to complete and ldap becomes > > unreliable while the rsync job is running. Even Nagios complains > > about the machine being down while rsync is running. >=20 > Could you give some numbers, please? What kind of numbers would you like to see? > However there are some known issues: >=20 > http://forums.storagereview.net/index.php?showtopic=3D25923 > http://tumbleweed.org.za/2007/02/16/horrific-performance-with-3ware-raid 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. Andre --=20 The only person who always got his work done by Friday was Robinson Crusoe --W5WqUoFLvi1M7tJE 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) iD8DBQFHxTdqWto1QDEAkw8RAs56AJ9ySmErHiQDjJWvw974+MK0h+4PqQCgoYDs pvMcr6YM34Pd6jkjIZzoJU0= =Ghs2 -----END PGP SIGNATURE----- --W5WqUoFLvi1M7tJE-- -- 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/