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 X-Spam-Level: X-Spam-Status: No, score=-4.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 99263C5519F for ; Thu, 19 Nov 2020 02:21:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2A0C3241A6 for ; Thu, 19 Nov 2020 02:21:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="M++0K9N+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727316AbgKSCVe (ORCPT ); Wed, 18 Nov 2020 21:21:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36476 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726340AbgKSCVe (ORCPT ); Wed, 18 Nov 2020 21:21:34 -0500 Received: from mail-qk1-x733.google.com (mail-qk1-x733.google.com [IPv6:2607:f8b0:4864:20::733]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3A54CC0613D4 for ; Wed, 18 Nov 2020 18:21:34 -0800 (PST) Received: by mail-qk1-x733.google.com with SMTP id d9so4021590qke.8 for ; Wed, 18 Nov 2020 18:21:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:references:to:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=LxQ+X5Rd4UnM8jTryEQTNi2vQxSVH2Ujj1G220ZoICY=; b=M++0K9N+PimKBeZtOil6PXglVoQ5MOCTdwrdAGR2G8y1xClHbP722kWmsiQLVDdI4m 1V+N8m4P7NBvddsRhn9Lb537Uihkmse4UseIDuPacRYDLkOH8NaDTbNmnWmVjgFZxSaA 61dvhnRbz/4qzpPvxTAACCC6QauvKLzKk9Kemk517aAc+dE7l3JQcTlDKRhinAn4s6Me MrcdN+hRV9riZCjTqpR6849+lQeIMb2yzUgHL5DWWm/J6xePo5vYw2KWVNgN/m1puuY9 rw6vDxsna+oYCrr/ST9BNIQoT97/GwgBZ3NC7maU97QLRwck0GrfEWyxBmjcWEcVCd4F z67A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:references:to:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=LxQ+X5Rd4UnM8jTryEQTNi2vQxSVH2Ujj1G220ZoICY=; b=iJGwom7S47ULheh/l0gITaj9a8ztBzTtVfoPam5ynU0antQpIzwrQSzze5mzyLLP5H hJwkFY0JOXvoy9nVVNIGx08oWKCqPuts0AKAnuUeOJ11x7jTqXOXiJuOdaQoqsjD7EoI RisDA/xAPiFA09kdma3G0YYoE8VrkuYVHMpDy3T7lZlQpxg+9C38+2beQ33OSxfJsEa3 Kq/Cy1VDa9wMfPPQ6Xi1nBQNOe7SuY0ZJbg3PGcoNpL3wGAkX5fWciIQOW8rVDXHnWaB cGHaSc1QCaGaVs/DZHWnHDwpl7vASNiY/iO3pvdxDkk2pUUxqDcL0lsYGYZW5mIINfIg 4ZIA== X-Gm-Message-State: AOAM530tt+Hyecv/v25JbHKepGWToygAzJwpPot2PmkguUgP4zi9vtMu DxGkhlldruQMftXq4navi5K3O8u4QYIN1g== X-Google-Smtp-Source: ABdhPJzOGsuGVS3PiExoVhxtHFJmSejN6DiImRCFcJRL3Is/FFviGtu4u72CTcCDw4fMLAQ2e4O+lQ== X-Received: by 2002:a05:620a:228f:: with SMTP id o15mr8931160qkh.206.1605752493232; Wed, 18 Nov 2020 18:21:33 -0800 (PST) Received: from biodora.local ([104.238.233.190]) by smtp.gmail.com with ESMTPSA id s16sm18282581qkg.5.2020.11.18.18.21.32 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 18 Nov 2020 18:21:32 -0800 (PST) Subject: Re: Events Counter - How it increments References: <819ff80e-10d0-8cc6-b34c-418fdea7b57a@gmail.com> <567bc78b-cf37-c40b-2e99-b86a80bdfb3e@suse.com> To: linux-raid@vger.kernel.org From: =?UTF-8?Q?Jorge_F=c3=a1bregas?= Message-ID: Date: Wed, 18 Nov 2020 22:21:31 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.3.1 MIME-Version: 1.0 In-Reply-To: <567bc78b-cf37-c40b-2e99-b86a80bdfb3e@suse.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org On 11/18/20 12:45 PM, heming.zhao@suse.com wrote: > The events is related with (struct mddev) mddev->events. > you can search it in kernel source code. Thank you Heming. I was expecting more of a general view since I'm a new user. Sorry I wasn't clear. What sort of events cause the Event counter to increase? If it's mainly whenever the superblock is updated then my question is: What sort of events cause the superblock to be updated? I can imagine detection of failed disk, read errors, array checks, commands by user/admin, assembly-reassembly etc? If an array operates fine for months - without user intervention, will the Event counter increase at all? Thanks. -- Jorge