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,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 D4C7FC6379D for ; Fri, 27 Nov 2020 15:11:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 817AA22256 for ; Fri, 27 Nov 2020 15:11:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="d2JnRhl5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729980AbgK0PLY (ORCPT ); Fri, 27 Nov 2020 10:11:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39828 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729452AbgK0PLX (ORCPT ); Fri, 27 Nov 2020 10:11:23 -0500 Received: from mail-wm1-x331.google.com (mail-wm1-x331.google.com [IPv6:2a00:1450:4864:20::331]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6A468C0613D1 for ; Fri, 27 Nov 2020 07:11:23 -0800 (PST) Received: by mail-wm1-x331.google.com with SMTP id p22so5410418wmg.3 for ; Fri, 27 Nov 2020 07:11:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=to:from:subject:message-id:date:user-agent:mime-version :content-transfer-encoding:content-language; bh=A7KnV7YqktcRGRLt9GH/1GY5CqIcxrNTnLv25YJ2UMo=; b=d2JnRhl51q8FbHeTotcyZZL1axlmAmDDVkec+EItH/6+C8JTV74OkAqCGSBJIA0jXi AfIC1Tg+5/Vgw/LrdNVLFRO0OWx03myS6HmBLCmUWSNnYgT0CrOsslV1AGoyqWU5ae5f iLygP/7XLRftBjJ2uwSfbmS27C+0d/gZp0yNinyRknLUIUe0se8/OaogXc8k1CPcVdkR n4kWspcu4ITqCfVYJatvvL/6/dB7MFt+Hk2Tu2J0JwRKImovHKklNmrq0nDnkgkrx9l3 pKRfIIOkNlm9olqMAuwyQPOV2AX7bR7yOTF4FP4GUDgND8j5g1iQnYxK5OlQxdL71tml ELlA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-transfer-encoding:content-language; bh=A7KnV7YqktcRGRLt9GH/1GY5CqIcxrNTnLv25YJ2UMo=; b=PxJAcuPeu4RZMthf1KpmYk8R2G8F1HnEVfIPklZqM3T0F4I0V85JeBvBEdCyhhj0cc sAB7xsjZw/c6eFkV+PinVj6Vp5oGbR197TVsUzGXqCOnvW73m+2sbd4EM3vHj2BQbVpU 9M/J5606XWxY+TnIp+Vdz25SReUdXoSX1ip0lLwAdR7ftfrbrTDmW7IrhAbffgd7w5rv HmT1oEjSnKW31lDU6DV4NzDKpRsF19GARvLm9qwCP3Trl27VEc7PVmFXMPUTF9fMhfB0 ehMQ4Kvvz8kjxhpDS9UtvtlufGC/sWVwZe2+iDv4Kg+v5dTzqCAhyfKWx6K166Z8NCTG 3Q+A== X-Gm-Message-State: AOAM530z0no9BLssVpZ+nVkGmPwrh/7v+oASlAo2AlfmCxlW6FN/JOEm PsU+ImgYOrkC837BdgjyuhkKDDs/Q3szqQ== X-Google-Smtp-Source: ABdhPJxsLgDI7J96cm+gqn2IghJQyFeL5kpieFq8c8MHL+Ny/FBpJaxl1JFhL0q8IxpRitvsfqPJ2g== X-Received: by 2002:a1c:2804:: with SMTP id o4mr9919652wmo.171.1606489880694; Fri, 27 Nov 2020 07:11:20 -0800 (PST) Received: from [192.168.1.6] (dynamic-adsl-84-221-8-74.clienti.tiscali.it. [84.221.8.74]) by smtp.gmail.com with ESMTPSA id 189sm14587796wmb.18.2020.11.27.07.11.19 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 27 Nov 2020 07:11:20 -0800 (PST) To: linux-btrfs@vger.kernel.org From: Zener Subject: btrfs metadata mirroring Message-ID: <96b1b2e0-40d6-dfa4-25bf-dda02732f30a@gmail.com> Date: Fri, 27 Nov 2020 16:11:19 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.5.0 MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15; format=flowed Content-Transfer-Encoding: 7bit Content-Language: it-IT Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Hi, I have a disk with btrfs but now I'd like enable just metadata mirroring to understand if some error occurs. Do I need another disk / partition / volume dedicated? How to do? Is it safe now or do I risk to loss my formely data? Thank you for your support. Bye.