From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id A22311581E7 for ; Sun, 28 Apr 2024 22:42:55 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id D0544E2A18; Sun, 28 Apr 2024 22:42:49 +0000 (UTC) Received: from smtp.hosts.co.uk (smtp.hosts.co.uk [85.233.160.19]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 6BC96E2A00 for ; Sun, 28 Apr 2024 22:42:49 +0000 (UTC) Received: from host31-49-121-21.range31-49.btcentralplus.com ([31.49.121.21] helo=[192.168.1.171]) by smtp.hosts.co.uk with esmtpa (Exim) (envelope-from ) id 1s1DEN-00000000C7G-3n7v for gentoo-user@lists.gentoo.org; Sun, 28 Apr 2024 23:42:48 +0100 Message-ID: <32766553-7a41-4373-9cd5-18e23afa2eb8@youngman.org.uk> Date: Sun, 28 Apr 2024 22:42:35 +0000 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [gentoo-user] Re: Grub, gpt partitions and BIOS, not uefi thing. To: gentoo-user@lists.gentoo.org References: <3298963.44csPzL39Z@rogueboard> Content-Language: en-US From: Wol In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Archives-Salt: c0d460e1-6188-4132-b7a5-54db132834f6 X-Archives-Hash: ac82a3e4ae633f6f0bd155207e9f0928 On 28/04/2024 17:40, Grant Edwards wrote: > On 2024-04-28, Grant Edwards wrote: > >> With DOS disk lables, Grub uses empty space between the boot sector >> and the first partition as a location to store it's core image file. >> That empty space does not exist when using GPT disk label. When using >> a GPT disk label, Grub requires that you need to create a "BIOS Boot" >> or "Grub Boot" partition so that Grub has somwhere to store it's core >> image[1]. > And it bears repeating that the bios/grub boot partition only needs to > be 1 or 2MB in size, is _not_ formatted with a filesystem, and is > _not_ the same as either > > 1) The "boot" directory where the kernel images and grubs other files > are installed within a Linux filesystem. [Which you still need > when booting in Legacy/BIOS mode.] > > or > > 2) The UEFI partition that's formated with a FAT filesystem and used > in UEFI boot mode [which you don't need when booting in > Legacy/BIOS mode.] > Note that, for new installs, I generally say always create a decent sized partition for UEFI, so if you want to change you can, although it sounds like in your case it probably doesn't matter :-) Cheers, Wol