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 C5F0CC4332F for ; Fri, 25 Nov 2022 19:50:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229789AbiKYTuz (ORCPT ); Fri, 25 Nov 2022 14:50:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32830 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229514AbiKYTuy (ORCPT ); Fri, 25 Nov 2022 14:50:54 -0500 Received: from www18.qth.com (www18.qth.com [69.16.238.59]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EC7A554B3C for ; Fri, 25 Nov 2022 11:50:53 -0800 (PST) Received: from [73.207.192.158] (port=51146 helo=jpo) by www18.qth.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1oyeiv-0003S2-HU for linux-raid@vger.kernel.org; Fri, 25 Nov 2022 13:50:53 -0600 Date: Fri, 25 Nov 2022 19:50:51 +0000 From: David T-G To: Linux RAID list Subject: Re: about linear and about RAID10 Message-ID: <20221125195051.GL19721@jpo> References: <20221123220736.GD19721@jpo> <20221124032821.628cd042@nvm> <20221124211019.GE19721@jpo> <512a4cdd-9013-e158-7c77-7409cd0dc3a1@youngman.org.uk> <20221125133050.GH19721@jpo> <008f8ea9-5c01-dc69-8d35-787b8a286378@youngman.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <008f8ea9-5c01-dc69-8d35-787b8a286378@youngman.org.uk> User-Agent: Mutt/1.10.1 (2018-07-13) X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - www18.qth.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - justpickone.org X-Get-Message-Sender-Via: www18.qth.com: authenticated_id: dmail@justpickone.org X-Authenticated-Sender: www18.qth.com: dmail@justpickone.org X-Source: X-Source-Args: X-Source-Dir: Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org Wol, et al -- ...and then Wols Lists said... % On 25/11/2022 13:30, David T-G wrote: % > % > That's still magic to me ???? Mirroring (but not doubling up the % > redundancy) on an odd number of disks?!? % % Disk: a b c % % Stripe: 1 1 2 % 2 3 3 % 4 4 5 % 5 6 6 % % and so on. [snip] Ahhhhh... Thanks. I was stuck in my symmetrical head and totally overlooked a staggered layout. Of course! Have a great evening :-D -- David T-G See http://justpickone.org/davidtg/email/ See http://justpickone.org/davidtg/tofu.txt