From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265152AbUBOTXQ (ORCPT ); Sun, 15 Feb 2004 14:23:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265171AbUBOTXQ (ORCPT ); Sun, 15 Feb 2004 14:23:16 -0500 Received: from wblv-254-118.telkomadsl.co.za ([165.165.254.118]:45719 "EHLO gateway.lan") by vger.kernel.org with ESMTP id S265152AbUBOTXO (ORCPT ); Sun, 15 Feb 2004 14:23:14 -0500 Subject: Re: ICH5 with 2.6.1 very slow From: Martin Schlemmer Reply-To: Martin Schlemmer To: Bartlomiej Zolnierkiewicz Cc: Kyle , Linux Kernel Mailing Lists In-Reply-To: <200402152019.34858.bzolnier@elka.pw.edu.pl> References: <021801c3f3f4$50f66280$353ffea9@kyle> <200402152019.34858.bzolnier@elka.pw.edu.pl> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-fMcJHGdSfg9aqANsLRHj" Message-Id: <1076873030.27648.17.camel@nosferatu.lan> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.5 Date: Sun, 15 Feb 2004 21:23:50 +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --=-fMcJHGdSfg9aqANsLRHj Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Sun, 2004-02-15 at 21:19, Bartlomiej Zolnierkiewicz wrote: > On Sunday 15 of February 2004 19:48, Kyle wrote: > > today since one of my mirrored harddisk (/dev/hda) failed, I removed it > > from md-raid1 and now /dev/hdc becomes /dev/hda > > > > hdparm -t /dev/hda gets me ~37MB/s now (before: /dev/hda - 30MB/s, > > /dev/hdc - 37MB/s) > > > > maybe there's problem with /dev/hda so it's relatively slower! > > > > However, the result still much slower than kernel 2.4.20 (55MB/s) >=20 > Please fill bugzilla entry (htp://bugzilla.kernel.org) > and attach 'dmesg' and 'lspci -vvv -xxx' outputs for 2.4.20 and 2.6.x. >=20 > It would be also helpful to narrow down the issue to kernel version when > this slowdown started (2.4.20 -> 2.6.x means too much changes to anybody > sane to even start thinking about going through all of them). >=20 Also a hdparm -i /dev/hda might help I guess (as the small default read-ahead causes this for many users) --=20 Martin Schlemmer --=-fMcJHGdSfg9aqANsLRHj Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iD8DBQBAL8dGqburzKaJYLYRAlD7AJ9f8vIB0KiUtdKfTsSaPpiV18eGFgCePIPL rWyhsF8OO1cTStv+ikaQKdo= =2KvZ -----END PGP SIGNATURE----- --=-fMcJHGdSfg9aqANsLRHj--