Date: Sat, 13 Jul 2019 22:09:35 -0600 From: Warner Losh <imp@bsdimp.com> To: Zaphod Beeblebrox <zbeeble@gmail.com> Cc: Hans Petter Selasky <hps@selasky.org>, FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: 4k sector support (not good?) Message-ID: <CANCZdfpfDqPFWXKNFWtxKA%2BaOEboqiAJyBEF=QBfQxYzpTgxoA@mail.gmail.com> In-Reply-To: <CANCZdfoG2eqP02_o2JK-_zQ4cHdfPm1Sg73Bw50DSrRCgcs0cg@mail.gmail.com> References: <CACpH0McZ50=yoosevUfMSVsHz_nvdQYNY-ozA=BtV-SAaJUjaA@mail.gmail.com> <CACpH0MeEgMUV-1Q4-Z3hJw87oBn07Yy2ypwjG1RuX=6LWgHKhg@mail.gmail.com> <13de3cde-185b-a986-cbce-6ad984792952@selasky.org> <883fbfcf-cac6-99a9-cb6f-43e413be9bb0@selasky.org> <CACpH0Mdm2_Q%2BM2aKjN%2BWVdwRLf0R3HrWPou1EiutodbD8FukhQ@mail.gmail.com> <CACpH0Mcm6QQpQe8kL7WaRaKd0BSNKCL3kQrqTjcSGEBVBYJarg@mail.gmail.com> <CANCZdfoG2eqP02_o2JK-_zQ4cHdfPm1Sg73Bw50DSrRCgcs0cg@mail.gmail.com>
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On Sat, Jul 13, 2019, 10:03 PM Warner Losh <imp@bsdimp.com> wrote: > > > On Sat, Jul 13, 2019, 9:59 PM Zaphod Beeblebrox <zbeeble@gmail.com> wrote: > >> Wait... are you saying that our gpart isn't properly able to label a 4k >> sector disk? >> > > There are competing notions about what is right... > For MBR disks. Apple has one standard, which is what the patch is for. Those disks won't necessarily work on other BIOSes. GPT just works today... Warner Warner > > > On Sat, Jul 13, 2019 at 11:54 PM Zaphod Beeblebrox <zbeeble@gmail.com> >> wrote: >> >> > Thank-you. At this point, I wouldn't be booting from these disks. Right >> > now I'm just trying to "gpart" or label them and get them ZFS >> formatted... >> > so my test rig boots from it's own disks and the target machine boots >> from >> > a different pair of disks. >> > >> > What I'm after is how to talk to these properly. >> > >> > On Sat, Jul 13, 2019 at 2:55 AM Hans Petter Selasky <hps@selasky.org> >> > wrote: >> > >> >> On 2019-07-13 08:35, Hans Petter Selasky wrote: >> >> > If you want to boot from a 4K disk you need this patch at least: >> >> > https://reviews.freebsd.org/D19245 >> >> >> >> Note that this patch must also be installed before trying to create the >> >> 4K bootable disk! >> >> >> >> --HPS >> >> >> > >> _______________________________________________ >> freebsd-hackers@freebsd.org mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-hackers >> To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org >> " >> >
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