Date: Thu, 24 Nov 2022 08:39:59 +0100 From: Alexander Leidinger <Alexander@leidinger.net> To: Eric Borisch <eborisch@gmail.com> Cc: Warner Losh <imp@bsdimp.com>, Alan Somers <asomers@freebsd.org>, FreeBSD FS <freebsd-fs@freebsd.org>, John Kennedy <warlock@phouka.net>, Nathan Whitehorn <nwhitehorn@freebsd.org> Subject: Re: UEFI question Message-ID: <20221124083959.Horde.OuPEDUTGTdU8KNqv5AvN04y@webmail.leidinger.net> In-Reply-To: <CAMsT2=nB46rnvFTbuwG9OCqJdWSRV%2BsB3PKHhC=15PiS8DQegg@mail.gmail.com> References: <20220531123221.n7ubs365ceeqo2d4@x1> <YpYzbgexVa0mULas@phouka1.phouka.net> <CAOtMX2g4-2PPTSSP-SfrG8m7gQDDqP0J%2BuwOKKutiQxryye6sw@mail.gmail.com> <CANCZdfo7Zixx%2Bd_DkVi3ymbEjtd=f1yFYyJmMixjGCSFyP8h%2Bw@mail.gmail.com> <CAMsT2=nB46rnvFTbuwG9OCqJdWSRV%2BsB3PKHhC=15PiS8DQegg@mail.gmail.com>
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This message is in MIME format and has been PGP signed. --=_aWP2gTUCynVLSuhMP59XuN6 Content-Type: multipart/alternative; boundary="=_kjiPzK6rTi2FFqwh863fEk9" This message is in MIME format. --=_kjiPzK6rTi2FFqwh863fEk9 Content-Type: text/plain; charset=utf-8; format=flowed; DelSp=Yes Content-Description: Textnachricht Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Quoting Eric Borisch <eborisch@gmail.com> (from Tue, 22 Nov 2022=20=20 17:50:08=20-0600): > On Tue, Nov 22, 2022 at 1:50 PM Warner Losh <imp@bsdimp.com> wrote: > >> On Tue, Nov 22, 2022, 11:42 AM Alan Somers <asomers@freebsd.org> wrote: >> =C2=A0 >> >>> I just noticed the same problem.=C2=A0 For mirrored installs, the >>> 13.1-RELEASE installer only formats the efi partition on one hard >>> disk.=C2=A0 Shouldn't it do both? >> >> =C2=A0 >> =C2=A0 >> We go back and forth on this question.... I think we should,=20=20 >>=20but others got grumpy when I suggested it. Maybe just all the=20=20 >>=20drives in the zpool used for the BE? >> >> =C2=A0 >> Warner > > =C2=A0 > Just a =E2=80=9Cyes, please.=E2=80=9D If you=E2=80=99re installing zf= s root on a mirror=20=20 >=20of disks, POLA suggests the required boot bits are on both disks, too. > =C2=A0 N disks instead of both disks please. All disks which are part of a redundant root pool should get=20=20 /everything/=20what is necessary to boot in case the primary boot drive=20= =20 of=20the pool fails. Theoretically we only need the amount of boot=20=20 redundancy=20to the level of redundancy degree of the pool (can't=20=20 rememeber=20if we now have support to boot from raidz, I only have=20=20 mirrors,=20but some of them with more than 2 disks), but as we can't=20=20 predict=20which drive fails until the redundancy level is reached, the=20= =20 only=20option we have is to mirror the freebsd-boot partition. If this is via gmirror or via independent partitions is another question. If we want to provide a drive failure resistant boot experience (and=20=20 the=20zfs pool types which offer redundancy make at least the users=20=20 believe=20we want to do that), there is not really an option to not do=20= =20 that. And=20while we're at it, I think we should mention in our upgrade=20=20 instructions=20(e.g. src/Makefile and src/UPDATING) how to update the=20=20 EFI=20parts too. Bye, Alexander. --=20 http://www.Leidinger.net=20Alexander@Leidinger.net: PGP 0x8F31830F9F2772BF http://www.FreeBSD.org netchild@FreeBSD.org : PGP 0x8F31830F9F2772BF --=_kjiPzK6rTi2FFqwh863fEk9 Content-Type: text/html; charset=utf-8 Content-Description: HTML-Nachricht Content-Disposition: inline Content-Transfer-Encoding: quoted-printable <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">; <html> <head> <meta http-equiv=3D"content-type" content=3D"text/html; charset=3Dutf-8"> <title></title> </head> <body style=3D"font-family:Arial;font-size:14px"> <p>Quoting Eric Borisch <<a href=3D"mailto:eborisch@gmail.com">eborisch@= gmail.com</a>> (from Tue, 22 Nov 2022 17:50:08 -0600):</p> <blockquote style=3D"border-left:2px solid blue;margin-left:2px;padding-lef= t:12px;" type=3D"cite"> <div dir=3D"auto">On Tue, Nov 22, 2022 at 1:50 PM Warner Losh <<a href= =3D"mailto:imp@bsdimp.com">imp@bsdimp.com</a>> wrote:</div> <div> <div class=3D"gmail_quote"> <blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-= left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:r= gb(204,204,204)"> <div dir=3D"auto"> <div><br> <br> <div class=3D"gmail_quote"> <div class=3D"gmail_attr" dir=3D"ltr">On Tue, Nov 22, 2022, 11:42 AM Alan S= omers <<a href=3D"mailto:asomers@freebsd.org" target=3D"_blank">asomers@= freebsd.org</a>> wrote:<br> </div> <blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-= left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:r= gb(204,204,204)"> <p>I just noticed the same problem. For mirrored installs, the<br> 13.1-RELEASE installer only formats the efi partition on one hard<br> disk. Shouldn't it do both?</p> </blockquote> </div> </div> <div dir=3D"auto"> </div> <div dir=3D"auto"> </div> <div dir=3D"auto">We go back and forth on this question.... I think we shou= ld, but others got grumpy when I suggested it. Maybe just all the drives in= the zpool used for the BE?</div> </div> <div dir=3D"auto"> <div dir=3D"auto"> </div> <div dir=3D"auto">Warner</div> </div> </blockquote> <div dir=3D"auto"> </div> <div dir=3D"auto">Just a “yes, please.” If you’re install= ing zfs root on a mirror of disks, POLA suggests the required boot bits are= on both disks, too.</div> <div dir=3D"auto"> </div> </div> </div> </blockquote> <p><br> N disks instead of both disks please.<br> <br> All disks which are part of a redundant root pool should get <em>everything= </em> what is necessary to boot in case the primary boot drive of the pool = fails. Theoretically we only need the amount of boot redundancy to the leve= l of redundancy degree of the pool (can't rememeber if we now have support = to boot from raidz, I only have mirrors, but some of them with more than 2 = disks), but as we can't predict which drive fails until the redundancy leve= l is reached, the only option we have is to mirror the freebsd-boot partiti= on.<br> <br> If this is via gmirror or via independent partitions is another question.<b= r> <br> If we want to provide a drive failure resistant boot experience (and the zf= s pool types which offer redundancy make at least the users believe we want= to do that), there is not really an option to not do that.<br> <br> And while we're at it, I think we should mention in our upgrade instruction= s (e.g. src/Makefile and src/UPDATING) how to update the EFI parts too.<br> <br> Bye,<br> Alexander.<br> <br></p> <div><a href=3D"http://www.Leidinger.net" target=3D"_blank">http://www.Leid= inger.net</a> <a href=3D"mailto:Alexander@Leidinger.net">Alexander@Leidinge= r.net</a>: PGP 0x8F31830F9F2772BF<br> <a href=3D"http://www.FreeBSD.org" target=3D"_blank">http://www.FreeBSD.org= </a> <a href=3D"mailto:netchild@FreeBSD.org">netchild@FreeBSD.= org</a> : PGP 0x8F31830F9F2772BF</div> </body> </html> --=_kjiPzK6rTi2FFqwh863fEk9-- --=_aWP2gTUCynVLSuhMP59XuN6 Content-Type: application/pgp-signature Content-Description: Digitale PGP-Signatur Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIzBAABCAAdFiEER9UlYXp1PSd08nWXEg2wmwP42IYFAmN/H84ACgkQEg2wmwP4 2IZfYQ/9HvEP+0NzZAPO9sqJkw/kpr2BVEEv21ghA2+d0LSyJialmIYyLuEP/ibR Z3P4rvUAAjqB+/E90fMrjPcXmBOyCKBe/Vys8UA6wem4L1ul/JV06vb6A9CRzG+7 A5JBpMGd8R0s1kRrl6I9lO9ShcH5/jEZjvSmJrgY19ipee0/cYsGIz+4SL+X39mk HzA244tILoSoBi9ZVb+5rjJniYMiCrrX8NeDaICfPImLXbr4TMMjyHLMnF3ig50I qmvEmJNmsJCYmZ4IoipbAc2Vw/ZiozYfH5BiO+ghavA+MoOShJQ4xde8bnI72h9z U724b6zUEo5AAOngW02XJyGvP+rF6WYJ7A3aeoaP2OJGedXGvyWxQxI5QM6JAyjQ Ng2ayBZc4xPV/VPc+w/QhU3JcuUpsSV6GmtD0KAkpAwI5LrJFtNTPijKUycWipwn xtSjL0LHpuaF3a0mJdCW+dEr9nxW5PKe5dJD7VgAensIe9co7o20Vt9fJNbtdZW8 KXzJoMMdrNLyuA+HZT8aPteQF2NnO75KbqrDce5o9MxyELBz/5QsR4O2GNpl0uxh YShQGg0eiruf68SlC6PaxWpPC1DJXpnSa14l2vS2AHGn8urG3JWWkVuW4WhavvFl tknVbKeMGjUxj+IaplJrmKbLx2CREPl/1c4Q/lSxwXL5ucRQCAM= =bKeM -----END PGP SIGNATURE----- --=_aWP2gTUCynVLSuhMP59XuN6--
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