Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 10 Jan 2003 05:11:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 10 Jan 2003 05:11:17 -0500 Received: from [81.2.122.30] ([81.2.122.30]:44548 "EHLO darkstar.example.net") by vger.kernel.org with ESMTP id ; Fri, 10 Jan 2003 05:11:16 -0500 From: John Bradford Message-Id: <200301101019.h0AAJx5w003433@darkstar.example.net> Subject: Re: Problem in IDE Disks cache handling in kernel 2.4.XX To: fverscheure@wanadoo.fr Date: Fri, 10 Jan 2003 10:19:59 +0000 (GMT) Cc: marcelo@conectiva.com.br, linux-kernel@vger.kernel.org In-Reply-To: <20030110095558.E144CFF11@postfix4-1.free.fr> from "Francis Verscheure" at Jan 10, 2003 10:54:53 AM X-Mailer: ELM [version 2.5 PL6] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 735 Lines: 19 > And by the way how are powered off the IDE drives ? > Because a FLUSH CACHE or STANDY or SLEEP is MANDATORY before > powering off the drive with cache enabled or you will enjoy lost > data. This was discussed on the list a few months ago: http://marc.theaimsgroup.com/?l=linux-kernel&m=103188486216124&w=2 I'm not sure it really got fully resolved, I had disks that would spin down and then spin up again, because of the order that the standby and flush cache commands were sent. John - 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/