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 80F6CC433EF for ; Fri, 24 Jun 2022 22:08:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232019AbiFXWIl (ORCPT ); Fri, 24 Jun 2022 18:08:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32900 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232014AbiFXWIk (ORCPT ); Fri, 24 Jun 2022 18:08:40 -0400 Received: from rin.romanrm.net (rin.romanrm.net [IPv6:2001:bc8:2dd2:1000::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 09B6C87D4C for ; Fri, 24 Jun 2022 15:08:38 -0700 (PDT) Received: from nvm (nvm2.home.romanrm.net [IPv6:fd39::4a:3cff:fe57:d6b5]) by rin.romanrm.net (Postfix) with SMTP id 44DEE5C6; Fri, 24 Jun 2022 22:08:34 +0000 (UTC) Date: Sat, 25 Jun 2022 03:08:33 +0500 From: Roman Mamedov To: Wol Cc: Alexander Shenkin , Linux-RAID Subject: Re: Upgrading motherboard + CPU Message-ID: <20220625030833.3398d8a4@nvm> In-Reply-To: <5cb8d159-be2a-aa6c-888a-fcb9ed4555c1@youngman.org.uk> References: <81c50899-7edb-e629-3bbc-16cfa8f17e34@youngman.org.uk> <5cbd9dd1-73fc-ce11-4a9d-8752f7bea979@youngman.org.uk> <1de4bf1f-242b-7d02-23dc-a6d05893db81@plouf.fr.eu.org> <20220624232049.502a541e@nvm> <20220624234453.43cf4c74@nvm> <22102e4b-4738-672d-0d00-bbeccb54fe84@shenkin.org> <5cb8d159-be2a-aa6c-888a-fcb9ed4555c1@youngman.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org On Fri, 24 Jun 2022 23:00:02 +0100 Wol wrote: > So your boot device is currently in physical connector 1 on the mobo. If > you move it across, you need to make sure it stays in physical position > 1, otherwise the mobo will try to boot off whatever disk is in position > 1, and there won't be a boot system to boot off! Using RAID1 across all disks with metadata 0.90 for /boot makes sure the BIOS can boot no matter which disk it tries first. In fact it could be with recent grub the "0.90" part is not even required anymore. Just make sure to "grub-install /dev/sdX" at least once to all of them. -- With respect, Roman