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=-6.1 required=3.0 tests=BAYES_00, 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 3F464C433E2 for ; Fri, 28 Aug 2020 15:31:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1AC8E20825 for ; Fri, 28 Aug 2020 15:31:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728238AbgH1PbW (ORCPT ); Fri, 28 Aug 2020 11:31:22 -0400 Received: from smtp.hosts.co.uk ([85.233.160.19]:32899 "EHLO smtp.hosts.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725969AbgH1PbV (ORCPT ); Fri, 28 Aug 2020 11:31:21 -0400 Received: from host86-157-102-164.range86-157.btcentralplus.com ([86.157.102.164] helo=[192.168.1.65]) by smtp.hosts.co.uk with esmtpa (Exim) (envelope-from ) id 1kBgLX-0008LN-DD; Fri, 28 Aug 2020 16:31:19 +0100 Subject: Re: Linux raid-like idea To: Brian Allen Vanderburg II , linux-raid@vger.kernel.org References: <1cf0d18c-2f63-6bca-9884-9544b0e7c54e.ref@aim.com> <1cf0d18c-2f63-6bca-9884-9544b0e7c54e@aim.com> From: antlists Message-ID: Date: Fri, 28 Aug 2020 16:31:28 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <1cf0d18c-2f63-6bca-9884-9544b0e7c54e@aim.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit Sender: linux-raid-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org On 24/08/2020 18:23, Brian Allen Vanderburg II wrote: > Just an idea I wanted to put out there to see if there were any > merit/interest in it. I hate to say it, but your data/parity pair sounds exactly like a two-disk raid-1 mirror. Yes, parity != mirror, but in practice I think it's a distinction without a difference. Cheers, Wol