From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752503AbYAOLRX (ORCPT ); Tue, 15 Jan 2008 06:17:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751220AbYAOLRK (ORCPT ); Tue, 15 Jan 2008 06:17:10 -0500 Received: from mx1.redhat.com ([66.187.233.31]:43338 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750768AbYAOLRI (ORCPT ); Tue, 15 Jan 2008 06:17:08 -0500 Date: Tue, 15 Jan 2008 11:17:04 +0000 From: Alasdair G Kergon To: device-mapper development Cc: linux-scsi@vger.kernel.org, linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [dm-devel] [RFC] A SCSI fault injection framework using SystemTap. Message-ID: <20080115111704.GJ8075@agk.fab.redhat.com> Mail-Followup-To: device-mapper development , linux-scsi@vger.kernel.org, linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org References: <478C22A9.5000009@ce.jp.nec.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <478C22A9.5000009@ce.jp.nec.com> User-Agent: Mutt/1.4.1i Organization: Red Hat UK Ltd. Registered in England and Wales, number 03798903. Registered Office: Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE. Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 15, 2008 at 12:04:09PM +0900, K.Tanaka wrote: > -dm-mirror's redundancy doesn't work. A read error from the disk consisting > the array will be directory passed to the userspace, without reading from > the other mirror. > (It turns out that this issue is a known issue, but the patch is not merged. > http://www.kernel.org/pub/linux/kernel/people/agk/patches/2.6/editing/dm-raid1-handle-read-failures.patch) It's in the queue for 2.6.25. Alasdair -- agk@redhat.com