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=-2.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 BD043C4332D for ; Sun, 22 Mar 2020 08:38:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 80898206F8 for ; Sun, 22 Mar 2020 08:38:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=inwind.it header.i=@inwind.it header.b="dMYe/QU9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726810AbgCVIic (ORCPT ); Sun, 22 Mar 2020 04:38:32 -0400 Received: from smtp-32.italiaonline.it ([213.209.10.32]:33790 "EHLO libero.it" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726781AbgCVIic (ORCPT ); Sun, 22 Mar 2020 04:38:32 -0400 Received: from venice.bhome ([84.220.24.82]) by smtp-32.iol.local with ESMTPA id Fw7qjt8Wpa1lLFw7qjzuH9; Sun, 22 Mar 2020 09:38:30 +0100 x-libjamoibt: 1601 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=inwind.it; s=s2014; t=1584866310; bh=EG8UI3m5tnjsLoKfOWl09W0whIS/OgmbK760fenY8KE=; h=From; b=dMYe/QU9mfDBM9FGhaEHy9aVUmBvzPWV/eNx8cNOcW3FsD+7ZvadjY4n7QZJdxZxi oQj/aUDM7g/vIBTtztSb8CCbuqsu+oIRagm19jgvyT/Aa6C/eXCvucVUicq1nyIJC1 jHodtPhYGd+jgSZ2UeuxGdNpIs64oO3X1GJumpkd2ObCDhFDYY+k2DiequcRG56VLr vyCCOx5fXeg0Gc7GIZa9DCZTPwFfATl24zMH1Lv5/gTw1rFzPVHlMEDLYNx9BJ3un+ x10rS2f/p6TeSGsFh72uUmzIcvyc27rmQFEzag5wXaZr5xsP6bRni3ZupgL0xhA7sg JnCVmQgOuAlIQ== X-CNFS-Analysis: v=2.3 cv=IOJ89TnG c=1 sm=1 tr=0 a=ijacSk0KxWtIQ5WY4X6b5g==:117 a=ijacSk0KxWtIQ5WY4X6b5g==:17 a=jpOVt7BSZ2e4Z31A5e1TngXxSK0=:19 a=IkcTkHD0fZMA:10 a=ja8vGaT1_-EV0Zbrsq0A:9 a=QEXdDO2ut3YA:10 Reply-To: kreijack@inwind.it Subject: Re: Question: how understand the raid profile of a btrfs filesystem From: Goffredo Baroncelli To: Zygo Blaxell Cc: linux-btrfs References: <517dac49-5f57-2754-2134-92d716e50064@alice.it> <20200321032911.GR13306@hungrycats.org> <20200321232638.GD2693@hungrycats.org> <3fb93a14-3608-0f64-cf5c-ca37869a76ef@inwind.it> Message-ID: Date: Sun, 22 Mar 2020 09:38:30 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <3fb93a14-3608-0f64-cf5c-ca37869a76ef@inwind.it> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-CMAE-Envelope: MS4wfBiqobmLAoC1AVGhjycjKbZjm6DGHq+w2bLylr+qJmbeMmnDc6hb4OVcyGilnXbkleuDMPBPeLH14tldRJEMb2zLI8Nfkx8nXpj9rikDhKp2la6R4nS9 PTBDYzCI5bbF1G1+Nx2TYQ8OAx0eViCqftGSoRAZWIW+U7QJw/g2U20iw8N36XIeZXCTeEyYR9IeNp/+0QTc/vUySZVUJIA7P1jKBMK9B23zy7qxpqIfqYdE Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On 3/22/20 9:34 AM, Goffredo Baroncelli wrote: > > To me it seems complicated to [sorry I push the send button too early] To me it seems too complicated (and error prone) to derive the target profile from an analysis of the filesystem. Any thoughts ? BR G.Baroncelli -- gpg @keyserver.linux.it: Goffredo Baroncelli Key fingerprint BBF5 1610 0B64 DAC6 5F7D 17B2 0EDA 9B37 8B82 E0B5