Date: Fri, 21 Jun 2013 08:34:52 -0700 From: Freddie Cash <fjwcash@gmail.com> To: Genre Roger <genre.roger@orange.fr> Cc: FreeBSD-Current <freebsd-current@freebsd.org> Subject: Re: gpart: can not add MBR partitions with "gpart add -t, mbr" Message-ID: <CAOjFWZ672qxaeZL9KjXa_p0kLwtfns9mPDAdX=eiXWsNO9aynA@mail.gmail.com> In-Reply-To: <51C46C84.3070003@orange.fr> References: <51C46C84.3070003@orange.fr>
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On Fri, Jun 21, 2013 at 8:08 AM, Genre Roger <genre.roger@orange.fr> wrote: > Hi, > > When I refer to gpart(8) manpage (9.1 release, updated jan 25,2013), I > find the description of partition types a bit confusing. > > Considering the case of a MoBo with "old way" Bios (non UEFI), the only > scheme allowed to get a bootable system is MBR. (Note that after booting, > your OS is able to manage gpt-scheme on different providers.) > You can boot off GPT partitions using the PMBR bootcode (gpart -b /boot/pmbr ada0) on just about any system. I was booting my P4 running FreeBSD 8.something off a GPT-partitioned USB stick for over a year (maybe 2?) before converting it to PC-BSD 9.1 booting off a ZFS dual-mirror pool (also using GPT partitioned disks). Can't speak to the rest of your post. I only use gpart for GPT partitioned disks, and use fdisk/bsdlabel for non-GPT partitioned disks. -- Freddie Cash fjwcash@gmail.com
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