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=-6.8 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 C96FBC433E2 for ; Sat, 12 Sep 2020 18:41:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 876AF21531 for ; Sat, 12 Sep 2020 18:41:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725873AbgILSl1 (ORCPT ); Sat, 12 Sep 2020 14:41:27 -0400 Received: from smtp.hosts.co.uk ([85.233.160.19]:63900 "EHLO smtp.hosts.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725838AbgILSlY (ORCPT ); Sat, 12 Sep 2020 14:41:24 -0400 Received: from host86-136-163-47.range86-136.btcentralplus.com ([86.136.163.47] helo=[192.168.1.65]) by smtp.hosts.co.uk with esmtpa (Exim) (envelope-from ) id 1kHASg-0006Z4-71; Sat, 12 Sep 2020 19:41:22 +0100 Subject: Re: Linux raid-like idea To: John Stoffel Cc: linux-raid@vger.kernel.org References: <1cf0d18c-2f63-6bca-9884-9544b0e7c54e.ref@aim.com> <1cf0d18c-2f63-6bca-9884-9544b0e7c54e@aim.com> <5F54146F.40808@youngman.org.uk> <274cb804-9cf1-f56c-9ee4-56463f052c09@aim.com> <38f9595b-963e-b1f5-3c29-ad8981e677a7@aim.com> <9220ea81-3a81-bb98-22e3-be1a123113a1@youngman.org.uk> <24413.1342.676749.275674@quad.stoffel.home> From: antlists Message-ID: <9ba44595-8986-0b22-7495-d8a15fb96dbd@youngman.org.uk> Date: Sat, 12 Sep 2020 19:41:21 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: <24413.1342.676749.275674@quad.stoffel.home> 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 12/09/2020 18:28, John Stoffel wrote: > I had one of my 4tb disks fall out of my main VG, but I didn't lose > and data, I just checked the disk and added it back in. I've got a > new 4tb disk on order along with a drive cage so I can balance things > better. > > But it's almost to the point where it's cheaper to buy a pair of 8tb > drives to replace the 4x4tb drives I'm using now. But I probably > won't. > You should have bought an 8TB to replace the 4 ... one more failure :-( and you would have your 2x8 (and raid-0 the remaining 4s to provide your 3rd mirror). > I could write for hours here... it's a tough problem space to work > through. Made worse if, like me, you're more into logical completeness than "will it finish in finite time" :-) Cheers, Wol