From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262792AbTDIE75 (for ); Wed, 9 Apr 2003 00:59:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262834AbTDIE75 (for ); Wed, 9 Apr 2003 00:59:57 -0400 Received: from [12.47.58.221] ([12.47.58.221]:37392 "EHLO pao-ex01.pao.digeo.com") by vger.kernel.org with ESMTP id S262792AbTDIE7z (for ); Wed, 9 Apr 2003 00:59:55 -0400 Date: Tue, 8 Apr 2003 22:11:51 -0700 From: Andrew Morton To: Chuck Ebbert <76306.1226@compuserve.com> Cc: linux-kernel@vger.kernel.org Subject: Re: How can I simulate disk failure on 2.4? Message-Id: <20030408221151.2089d116.akpm@digeo.com> In-Reply-To: <200304090000_MC3-1-339D-2D93@compuserve.com> References: <200304090000_MC3-1-339D-2D93@compuserve.com> X-Mailer: Sylpheed version 0.8.9 (GTK+ 1.2.10; i586-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 09 Apr 2003 05:11:29.0198 (UTC) FILETIME=[7A480CE0:01C2FE56] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Chuck Ebbert <76306.1226@compuserve.com> wrote: > > I need some kind of way to fail a single disk partition (hdg8) while the > system is running, then reenable it. It doesn't have to be general-purpose > and > I don't mind doing ugly hacks to the disk code to make it happen. Stephen Tweedie has a gizmo which does that. http://people.redhat.com/sct/patches/testdrive/testdrive-1.1-for-2.4.19pre10.patch The documentation is at google("tweedie testdrive") ;)