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 TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by finch.gentoo.org (Postfix) with ESMTPS id 5C6D41382C5 for ; Sat, 26 Dec 2020 10:23:08 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id C9114E0AB0; Sat, 26 Dec 2020 10:23:02 +0000 (UTC) Received: from smarthost03c.mail.zen.net.uk (smarthost03c.mail.zen.net.uk [212.23.1.22]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 6D551E0A87 for ; Sat, 26 Dec 2020 10:23:02 +0000 (UTC) Received: from [82.30.216.240] (helo=peak.localnet) by smarthost03c.mail.zen.net.uk with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1kt6iy-00054L-M9 for gentoo-user@lists.gentoo.org; Sat, 26 Dec 2020 10:23:00 +0000 From: Peter Humphrey To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] UEFI install noob questions Date: Sat, 26 Dec 2020 10:23:00 +0000 Message-ID: <4293846.LvFx2qVVIh@peak> In-Reply-To: References: 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 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Originating-smarthost03c-IP: [82.30.216.240] Feedback-ID: 82.30.216.240 X-Archives-Salt: 21040fab-f84a-4019-85df-475e759c685c X-Archives-Hash: d12164e4d68f741fc6b2f13c301a1574 On Saturday, 26 December 2020 06:28:44 GMT Walter Dnes wrote: > This is my first UEFI install, so please pardon the questions. > > 1) Partitioning questions: The standard layout example in > https://wiki.gentoo.org/wiki/Handbook:AMD64/Full/Installation#What_is_the_BI > OS_boot_partition.3F says... > > > The BIOS boot partition is needed when a GPT partition layout is used > > with GRUB2 in BIOS/Legacy mode. It is not required when booting in > > EFI/UEFI mode. > > The standard layout example is... > > Number Start End Size File system Name Flags > 1 1.00MiB 3.00MiB 2.00MiB grub bios_grub > 2 3.00MiB 131MiB 128MiB boot boot > 3 131MiB 643MiB 512MiB swap > 4 643MiB 20479MiB 19836MiB rootfs > > Given that my machine is incapable of booting in BIOS/Legacy mode, I > assume that the 2-megabyte partition is unnecessary, grub or no grub. Some people say you don't need it, but I found that I did. I suppose it's a quirk of the motherboard or its BIOS. > Also, given bloat over time, is 128 megabytes still sufficient for the > boot partition today? I plan to keep 2 kernels around at all times, > "Production" and "Experimental". Mine's 1GB. It contains the most recenet kernel plus one for a small rescue system; also the most recent one of each that I know to work. -- Regards, Peter.