From owner-freebsd-geom@FreeBSD.ORG Fri May 11 13:24:00 2012 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 399291065672 for ; Fri, 11 May 2012 13:24:00 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: from mail-yx0-f182.google.com (mail-yx0-f182.google.com [209.85.213.182]) by mx1.freebsd.org (Postfix) with ESMTP id E04628FC1E for ; Fri, 11 May 2012 13:23:59 +0000 (UTC) Received: by yenl8 with SMTP id l8so3388474yen.13 for ; Fri, 11 May 2012 06:23:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=Uvydw004yCty/MpHXBdgi1sM9yCvV/fTudHlweP8q5s=; b=w1OzD1iOnPDYQGHtBybKOJq1mR8cKRBMWItSsXDlwRW9P38VQUTRKGT2CzuasrHrmS Ya50Ksy088nVwZW0CZgJ6yr1PsT3Q3mXSrLq2Lwyli3bubfXbrIm7z/0pooZHaOZwztn nZdEWmJhfOMfi9DoF/khWh+N+RDkXt3gRqnMSRSX/LK0tsYfu71DPJfmMTVrkD6TY24U UOLoP4QK8Nqz49NLkbn/bKWyAAEK8rKAjX5EEFRfS73mbeeOwyhEvBjDbzlORlQFfzab 4hOwQmynPiEU49plm0lf7zfiGjbkW05R5pGBKEbNDBmEo8YIT86Ez4Y9zOhm/tKvK3+y 3y2A== Received: by 10.50.216.167 with SMTP id or7mr1674506igc.32.1336742639071; Fri, 11 May 2012 06:23:59 -0700 (PDT) Received: from mavbook.mavhome.dp.ua ([24.114.252.240]) by mx.google.com with ESMTPS id re5sm3438737igb.0.2012.05.11.06.23.57 (version=SSLv3 cipher=OTHER); Fri, 11 May 2012 06:23:58 -0700 (PDT) Sender: Alexander Motin Message-ID: <4FAD12E3.3000608@FreeBSD.org> Date: Fri, 11 May 2012 16:23:47 +0300 From: Alexander Motin User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20120116 Thunderbird/9.0 MIME-Version: 1.0 To: Karl Pielorz References: <4FABDE10.8090304@FreeBSD.org> <61CDA17B687F1C733EE1B017@OctaHexa64-MkII> <4FACF8BA.4020500@FreeBSD.org> In-Reply-To: Content-Type: text/plain; charset=KOI8-R; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-geom@FreeBSD.org Subject: Re: FreeBSD 9-R amd64 - graid, should it survive 'pulling' a disk? X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 May 2012 13:24:00 -0000 On 11.05.2012 15:59, Karl Pielorz wrote: > > --On 11 May 2012 14:32 +0300 Alexander Motin wrote: > >> Yes, sometimes bubble and in rare cases panic. I am working on the first >> part right now. >> >>> Is the same true for reads? >> >> No, On read error graid repeats reading from another disk and does >> remapping write to the original one. Error returned only if all reads >> have failed. > > Ok, thanks for the explanation - if you need anything testing, do let me > know, as it's obviously a pretty big issue for us [and probably others] :) I've committed patch to the HEAD branch: http://svn.freebsd.org/changeset/base/235270 It should cleanly apply to 8/9-STABLE. -- Alexander Motin