From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261530AbUEJU2n (ORCPT ); Mon, 10 May 2004 16:28:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261528AbUEJU2n (ORCPT ); Mon, 10 May 2004 16:28:43 -0400 Received: from mx1.redhat.com ([66.187.233.31]:4588 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S261530AbUEJU2l (ORCPT ); Mon, 10 May 2004 16:28:41 -0400 Subject: Re: Linux 2.6.6 "IDE cache-flush at shutdown fixes" From: Arjan van de Ven Reply-To: arjanv@redhat.com To: gene.heskett@verizon.net Cc: Rene Herman , linux-kernel@vger.kernel.org In-Reply-To: <200405100732.10363.gene.heskett@verizon.net> References: <409F4944.4090501@keyaccess.nl> <200405100732.10363.gene.heskett@verizon.net> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-Y7SCjCHEFZy8zTBcn3m1" Organization: Red Hat UK Message-Id: <1084220917.2996.26.camel@laptop.fenrus.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Mon, 10 May 2004 22:28:37 +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --=-Y7SCjCHEFZy8zTBcn3m1 Content-Type: text/plain Content-Transfer-Encoding: quoted-printable > I note the drive is the same model here too, Rene. >=20 > The question remains however, is our data in danger? You have a disk with an active write back cache but that doesn't support the flush-cache IDE command. That's obviously a bad combo ;) The other fixes in 2.6.6 ought to make it a bit less dangerous than before, eg the power off at shutdown WILL flush the cache. --=-Y7SCjCHEFZy8zTBcn3m1 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) iD8DBQBAn+X1xULwo51rQBIRAhmCAJ95JV+JP++Dmlnr8VNdQ5U6xOQfnwCgkceO +01jR0D3p+bAzCi/2OE7vmI= =6xVQ -----END PGP SIGNATURE----- --=-Y7SCjCHEFZy8zTBcn3m1--