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 3F81EC27C76 for ; Sat, 21 Jan 2023 22:56:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229709AbjAUW4S (ORCPT ); Sat, 21 Jan 2023 17:56:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229559AbjAUW4R (ORCPT ); Sat, 21 Jan 2023 17:56:17 -0500 Received: from mail.thelounge.net (mail.thelounge.net [91.118.73.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 41EED25E37 for ; Sat, 21 Jan 2023 14:56:16 -0800 (PST) Received: from [10.10.10.2] (rh.vpn.thelounge.net [10.10.10.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256)) (No client certificate requested) (Authenticated sender: h.reindl@thelounge.net) by mail.thelounge.net (THELOUNGE MTA) with ESMTPSA id 4NzsDF0ZpVzXL7; Sat, 21 Jan 2023 23:56:08 +0100 (CET) Message-ID: <85f4ef15-dab7-5eb4-520c-338c94c9c61d@thelounge.net> Date: Sat, 21 Jan 2023 23:56:07 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.0 Subject: Re: Transferring an existing system from non-RAID disks to RAID1 disks in the same computer Content-Language: en-US To: Pascal Hambourg , Wols Lists , Linux RAID Mailing List References: <273d1fc9-853f-a8fa-bb47-2883ba217820@meddatainc.com> <3c124633-6b69-c97c-30f2-02f70141ac1a@plouf.fr.eu.org> <963bb7eb-7ce2-c887-ca5c-d0359290841b@turmel.org> <4224103d-17b4-0635-9bb4-7f81b896ad07@plouf.fr.eu.org> <3a3d1de2-f02b-cd2a-7dd4-9d269bb0443e@plouf.fr.eu.org> <5030b2e0-b4af-c55f-b965-9e3aab6e5c39@plouf.fr.eu.org> <81f7f74f-259e-35e6-985d-3678e2b3c02e@youngman.org.uk> <0a3e3d16-e73b-ce13-2cd4-4234e03af022@youngman.org.uk> <19a04b8a-c314-becd-f272-1323160f346f@thelounge.net> <5dc67a57-1ebb-4ce5-80f3-bdc4f59a9510@plouf.fr.eu.org> <2240c8d8-0ad3-46b3-1166-31ce35f900d9@thelounge.net> From: Reindl Harald Organization: the lounge interactive design In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org Am 21.01.23 um 23:43 schrieb Pascal Hambourg: > On 21/01/2023 at 20:08, Reindl Harald wrote: >> Am 21.01.23 um 19:57 schrieb Pascal Hambourg: >>>> Am 21.01.23 um 19:32 schrieb Pascal Hambourg: >>>>> On 21/01/2023 at 16:21, Wols Lists wrote: >>>>>> Is that one EFI per OS, or multiple identical EFI? :-) >>>>> >>>>> Neither. Multiple possibly not identical EFI partitions >> >> how is that related to RAID at all? > > RAID provides redundancy while the system is running RAID provides redundancy for devices - no matter if something is running > For boot > redundancy, the boot loader must be installed on each disk so what > With EFI > boot, it means there must be an EFI partition on each disk. But EFI > partitions do not need to be identical as long as any of them can boot > the system so what - the topic is "Transferring an existing system from non-RAID disks to RAID1 disks in the same computer" anything else for the sake of god belongs to a different topic the same as for "What does TRIM/discard in RAID do" which is a question about the state of play would you be so kind and stop mixing completly different topics in the same thread - that way people who don't give a shit about several topics they can simply ignore them