From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 6 Nov 2002 19:56:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 6 Nov 2002 19:56:23 -0500 Received: from dp.samba.org ([66.70.73.150]:3031 "EHLO lists.samba.org") by vger.kernel.org with ESMTP id ; Wed, 6 Nov 2002 19:56:22 -0500 Date: Wed, 6 Nov 2002 15:41:33 +1100 From: Anton Blanchard To: linux-kernel@vger.kernel.org Subject: Re: [Q] How to flush disk cache w/read-only filesystem w/o unmount&remount? (shared SAN filesystem) Message-ID: <20021106044133.GA15912@krispykreme> References: <20021105084218.A15258@munet-d.enel.ucalgary.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20021105084218.A15258@munet-d.enel.ucalgary.ca> User-Agent: Mutt/1.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > You may be in luck - we likely need to have an ioctl to do this from > e2fsck because the ext3 htree repacking of bad directories is causing > a bunch of problems. In theory, the startup scripts should reboot the > system in this case, but there have also been cases reported where > people ran "e2fsck -D" on an ro-mounted root and then read-write mounted > it again. It would be great if we could avoid the reboot, the biggest machines I have access to can take 45 minutes to to pass firmware checks. I hate it when fsck finds and error and causes another reboot :) Anton