From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 05969CE7A8C for ; Mon, 25 Sep 2023 15:57:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230184AbjIYP52 (ORCPT ); Mon, 25 Sep 2023 11:57:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44488 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232118AbjIYP51 (ORCPT ); Mon, 25 Sep 2023 11:57:27 -0400 Received: from micaiah.parthemores.com (micaiah.parthemores.com [199.26.172.54]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CE038BC for ; Mon, 25 Sep 2023 08:57:21 -0700 (PDT) Received: from [130.243.159.229] (uu-guest-159-229.eduroam.uu.se [130.243.159.229]) by micaiah.parthemores.com (Postfix) with ESMTPSA id A4B9B300153; Mon, 25 Sep 2023 17:56:21 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=parthemores.com; s=micaiah; t=1695657382; bh=N4x+pEokSdCwTEM8TOCsyxa6DL3Q6gWkjRT8JQEGrbc=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=TUOgIof6k2qHts7hbxknVvG0g+Sp1Ly+wQBwpZuRiujzVS4cle24FdQyyQxe+H1g6 RyNA3v7gOh63wr8EQ2eJr8R52KPwoUogTLe6CZ9OJKG6jl/bFCIk5W1FIqeNquaSLK yw/ydlN6J2iuXRTsjin0LNummawsa1EuFs3ugFO4= Message-ID: <02a12a6d-eac4-51a1-e5ab-3df4d79bb87b@parthemores.com> Date: Mon, 25 Sep 2023 17:57:18 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.15.1 Subject: Re: request for help on IMSM-metadata RAID-5 array Content-Language: en-GB To: Yu Kuai , Roman Mamedov Cc: linux-raid@vger.kernel.org, "yukuai (C)" References: <507b6ab0-fd8f-d770-ba82-28def5f53d25@parthemores.com> <20230923162449.3ea0d586@nvm> <4095b51a-1038-2fd0-6503-64c0daa913d8@parthemores.com> <20230923203512.581fcd7d@nvm> <72388663-3997-a410-76f0-066dcd7d2a63@parthemores.com> <4d606b3d-ccec-e791-97ba-2cb5af0cc226@huaweicloud.com> From: Joel Parthemore In-Reply-To: <4d606b3d-ccec-e791-97ba-2cb5af0cc226@huaweicloud.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org Den 2023-09-25 kl. 03:43, skrev Yu Kuai: > Hi, > > 在 2023/09/24 2:49, Joel Parthemore 写道: >> So, dd finally sped up and finished. It appears that I have lost none >> of my data. I am a very happy man. A question: is there anything >> useful I am likely to discover from keeping the RAID array as it is a >> bit longer before I recreate it and copy the data back? > > It'll be much helper for developers to collect kernel stack for all  > stuck thread(and it'll be much better to use add2line). Presuming I can re-create the problem, let me know what I should do to collect that information for you. I'm very much a newbie in that area. Joel