From owner-freebsd-questions@freebsd.org Sun Aug 30 15:14:51 2020 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 626C23BE607 for ; Sun, 30 Aug 2020 15:14:51 +0000 (UTC) (envelope-from freebsd@edvax.de) Received: from mout.kundenserver.de (mout.kundenserver.de [217.72.192.73]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "mout.kundenserver.de", Issuer "TeleSec ServerPass Class 2 CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4BfcMG1m5Kz44MM for ; Sun, 30 Aug 2020 15:14:50 +0000 (UTC) (envelope-from freebsd@edvax.de) Received: from r56.edvax.de ([178.12.112.48]) by mrelayeu.kundenserver.de (mreue109 [212.227.15.183]) with ESMTPA (Nemesis) id 1N0X4c-1kZJiL2ic0-00wSVO; Sun, 30 Aug 2020 17:14:45 +0200 Date: Sun, 30 Aug 2020 17:14:45 +0200 From: Polytropon To: "Thomas Mueller" Cc: freebsd-questions@freebsd.org Subject: Re: (very OT) Ideal partition schemes (history of partitioning) Message-Id: <20200830171445.cc63924f.freebsd@edvax.de> In-Reply-To: <202008301509.07UF9Q7N001905@r56.edvax.de> References: <20200829154417.8dd5f83d.freebsd@edvax.de> <202008301509.07UF9Q7N001905@r56.edvax.de> Reply-To: Polytropon Organization: EDVAX X-Mailer: Sylpheed 3.1.1 (GTK+ 2.24.5; i386-portbld-freebsd8.2) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:hLdM+XsP4pikXZPSOhgL2CfcwrHsUUVpzL1tTpl448NwaF2MNze C37fONT7ER697bB04W0wfNmU28E0mKOY+esp25sXehFp+LSbPpEHRI6T6pXoZIep2G75ZBn OD2dtR4fJBeCOOsOvAU/6lUTYT3+PDymWBfMN/t15rhE1R34m9+fxuDASr8CQ/74M8xYOdh 0OJoihLRkPQimlFhukjLA== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:LLxrFAvnY3c=:7bdVsR25jZQf3GV/sESYa9 +YQ+lUIejmhorVn55hMVm7KxkYbZe3DyVJ2Qe+J2ert+IGUGd737ucvw4bG4V/tzsYDP/mZks cSIeAD1sMY7gtWJm+jvj9ZprKeMniPvaKBj9Z7q1/kJ0APXiN43R32CE66az4nCL1cekrbRSU 4GkyevuKLePD37boXmuZ7BURbzqqTaWXRjyYn+ULeJJZn7kDmuM7U3oce2aReGJrr7K8T6D2k dPehesiVB4eQTPXTvclmvR2xr7uZx0+itCM59woTJ1g/Ghw6LY914blbPxYuS0Jtjsr3d7qpe /4+HKG8BYBUR30iRNwsyw1Fg0eaIBRUj+Jx/XKEboBhVmajW3yD69cYiRf7Q9iA/pgfy39FnA W8dbgksrWk42viXaEroVRxLhriN/WVxdmx3JJNULy28Gyw2I6B0ntzBXjyzV7MRJdwG+ZlBgU C/Y1b3tCW6TosNdC7YfzfCIPDTbno0/eRf85EKWvIk/UDqDxZRF1COtUsGESlQGmW3Pgp+onj Z14DiYQuigAkxt3U6ePYJu4Q+xyq7ffn62jr3MfTtwXTE+BakF267RIQV03RK46q/IRnPUIiJ 8zJoEmnRtQ2qLwvgu5oJ54rgmQNyWAdKtwh0AnVd03m2ZenfadjfeDMWrQ6ed+DfAoVg9Loub fjvSnG1P6UG3hjWQ9eJMYMQAf/lWDErM9Kxm/vCZ5LBSlpZr/+kn96I37QrtD/qxPEbFoAxoq gDaHWxGpaDB8JX+8yPwRroX5w2bDo1pryab8GZ8d+NidTAQpCjjq0ECqPooRyZB4F3BvHp86s PUBN6p/TNSUY5RXc8Ex8jJy6X9h1PVxeTC2pYS4gqTEaVxwgdzD4QgA/EVrmYEe6oPAPtsY X-Rspamd-Queue-Id: 4BfcMG1m5Kz44MM X-Spamd-Bar: +++ Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=none (mx1.freebsd.org: domain of freebsd@edvax.de has no SPF policy when checking 217.72.192.73) smtp.mailfrom=freebsd@edvax.de X-Spamd-Result: default: False [3.89 / 15.00]; HAS_REPLYTO(0.00)[freebsd@edvax.de]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_DN_SOME(0.00)[]; MV_CASE(0.50)[]; HAS_ORG_HEADER(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; FREEMAIL_TO(0.00)[twc.com]; RECEIVED_SPAMHAUS_PBL(0.00)[178.12.112.48:received]; RCVD_TLS_LAST(0.00)[]; R_DKIM_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:8560, ipnet:217.72.192.0/20, country:DE]; ARC_NA(0.00)[]; REPLYTO_EQ_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; NEURAL_SPAM_SHORT(0.28)[0.277]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[edvax.de]; AUTH_NA(1.00)[]; NEURAL_SPAM_MEDIUM(0.33)[0.330]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_SPAM_LONG(0.89)[0.887]; MID_CONTAINS_FROM(1.00)[]; RCVD_IN_DNSWL_NONE(0.00)[217.72.192.73:from]; R_SPF_NA(0.00)[no SPF record]; RWL_MAILSPIKE_POSSIBLE(0.00)[217.72.192.73:from]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-questions] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 30 Aug 2020 15:14:51 -0000 On Sun, 30 Aug 2020 05:33:21 +0000, Thomas Mueller wrote: > from Polytropon (excerpt): > > > Most multi-OS settings seem to work best with BIOS + MBR. > > Boot selection can either happen using a PF key at system > > startup, if it's more than one disk, or you have a separate > > software solution, like GRUB or FreeBSD's boot manager, if > > all systems are on one and the same disk. > > How is that? It seems to me that GPT would be practically the > only way for multi-OS. > Grub 2 can be used to select the partition to boot. Correct. > Some or many OSes can not run on a logical partition, only > a primary partition, using MBR scheme. That is a restriction that, if I remember correctly, does not apply to Linux. > And what if hard disk > 2 TB, or would that be 16 TB in the > case of 4096-byte sectors? Yes, that is definitely a special case (which will become the common case in the future). > > Within a slide*, you can create multiple partitions. The > > common approach today is to have one big / and some swap. > > The idea of "functional partitioning" typically suggests > > a layout like this: > > slide? Did you mean slice? Good catch - that was a typical "'d' next to 'c' typo". :-) > I run several versions of FreeBSD and NetBSD, also need to save > partitions for Linux and Haiku. > > FreeBSD and NetBSD can't read each other's disklabel or > bsdlabel-type subpartitions, and sub-partitioning a NetBSD slice > with disklabel is very tricky, drives me crazy. > > GPT means I never have to deal with traditional BSD disklabels > any more; I don't run OpenBSD or DragonFlyBSD. Regarding configuration and number of partitions, GPT is surely much more convenient than MBR. -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...