Date: Wed, 09 Nov 2022 22:05:40 +0100 From: Alexander Leidinger <Alexander@leidinger.net> To: Warner Losh <imp@bsdimp.com> Cc: "Patrick M. Hausen" <pmh@hausen.com>, Mark Millard <marklmi@yahoo.com>, tsoome@freebsd.org, Li-Wen Hsu <lwhsu@freebsd.org>, current@freebsd.org Subject: Re: changes to the zfs boot (was: Re: git: 72a1cb05cd23 - main - rc(8): Add a zpoolupgrade rc.d script) Message-ID: <20221109220540.Horde.6GRfN8bbUC4AsLcvjhWbUgm@webmail.leidinger.net> In-Reply-To: <CANCZdfq0Q67tqE-6%2BSjbdJVH_p0oMh5Xz_bW=SWWM%2BhWnDLZYw@mail.gmail.com> References: <202211070339.2A73dJlO027991@gitrepo.freebsd.org> <20221107121514.Horde.nulS9Wg1s3yzAsXXkuJRBa9@webmail.leidinger.net> <CANCZdfrdc%2BDbv6sDyDLcWNpXnWScEmpUsGu3q8%2BMbZRjDS8eig@mail.gmail.com> <20221108105053.Horde.eqgFiBJe2ngGAj6BkXcv5-Z@webmail.leidinger.net> <20221109134610.Horde.JB7ibQTWprHbmIUfhg7JY7f@webmail.leidinger.net> <CANCZdfptmipq%2BsS0AQ1%2B7EmLT-7YdKv8s%2BnCV7ON1Qy6-C6N9A@mail.gmail.com> <460205F9-5D59-4033-813B-C34E01BFD6C4@hausen.com> <CANCZdfoeDvxSqqEjpnfK=FCY0K1aYEqTw80SKLAZ-5d2qrW5EA@mail.gmail.com> <AFF06A1C-A58F-40E7-9A21-A585F95E447D@hausen.com> <CANCZdfq0Q67tqE-6%2BSjbdJVH_p0oMh5Xz_bW=SWWM%2BhWnDLZYw@mail.gmail.com>
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[-- Attachment #1 --] Quoting Warner Losh <imp@bsdimp.com> (from Wed, 9 Nov 2022 13:56:43 -0700): > On Wed, Nov 9, 2022 at 1:54 PM Patrick M. Hausen <pmh@hausen.com> wrote: > >> Hi Warner, >> >> > Am 09.11.2022 um 21:51 schrieb Warner Losh <imp@bsdimp.com>: >> > Yes. For safety, boot loader upgrade is mandatory when you do a zpool >> upgrade of the root filesystem. >> > It was definitely needed in the OpenZFS jump, and we've had one or two >> other flag days since. >> >> That's a given and not a problem. What I fear from my understanding of >> this thread so far is >> that there might be a situation when I upgrade the zpool and the boot >> loader and the system >> ends up unbootable nonetheless. >> >> Possible or not? >> > > If all you do is upgrade, then no, modulo bugs that we've thankfully not > had yet. It's when you enable something on the zpool that you can run into > trouble, but that's true independent of upgrade :) Attention, "upgrade" is overloaded here. "OS upgrade" will not render the pool unbootable (modulo bugs), but "zpool upgrade rpool" will (except we have provisions that zpool upgrade doesn't enable all features in case the bootfs property is set). Bye, Alexander. -- http://www.Leidinger.net Alexander@Leidinger.net: PGP 0x8F31830F9F2772BF http://www.FreeBSD.org netchild@FreeBSD.org : PGP 0x8F31830F9F2772BF [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIzBAABCAAdFiEER9UlYXp1PSd08nWXEg2wmwP42IYFAmNsFiMACgkQEg2wmwP4 2IYCHBAAhA3f6ucB1WPdPS5GicWgsnXMusrm3QlZvLTKIVie/z8X0XNo94W2xibM 42VUsMyVf3xQn6zbrGt4+6xCLvKY5a6OB9+EsPOC6bMjn02LheMx3Ee+zHnTa7ii W/Zg8aWwym+HOWisOhIxP667nA5yrLe1bcdjZ9lUK6G8PKWh6C9fBO5r9AcZIeVH AERySjq4PliSH9/Uh6eLUEZgXxjfU6Nfd99PoNtYOo2zq5xfLHadcnJt9xuJtTiS 0nM1bhGpZ7VeHLSnia0t5n9NYiSAzWqUgynjUtPEOJA/WS+qZkBXgGOfUAJWgkfA BAUNJ07vwSkBYG8C3bakYHfcpAFMUUeKdpKUbTh8JnbiDXLC+c10N1KXqxC1wVYO DYK/JdabJj45ynM/xU9LpFq4EJo9YE1c2Wt4e6/oDQlhIFBUpLvjYTnSJ2ShU+oc lFP9OWa4WlcJVi970JxJDNXAB3d0C6cCs95BZ0lbD5hHHqJHBsXaPY+9CCBNrVx4 FYWG2HFzadEzyFCBwTRqgGAxy7cO87zmC/vLV7HWBqdmVOiih3jFLSAsPVQQsfsz VXUyIT1PICp/GsK7PpgiqYITfPyL+3s5JgELxFRbQ6R8jkZfBctMzYtpWMUvMLrS xEzg7qFO2/g+UuOfE4d+W90Cr86Gjub5djkBMZHYh3/sf5tdNh0= =m13E -----END PGP SIGNATURE-----help
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