Date: Wed, 09 Nov 2022 21:31:49 +0100 From: Alexander Leidinger <Alexander@leidinger.net> To: "Patrick M. Hausen" <pmh@hausen.com> Cc: Warner Losh <imp@bsdimp.com>, marklmi@yahoo.com, tsoome@freebsd.org, 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: <20221109213149.Horde.hR9YpUCQ4NbOZcsX1JxqBgu@webmail.leidinger.net> In-Reply-To: <63316DBD-FFB7-44BA-ADD3-CACBE715518D@hausen.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> <20221109204509.Horde.lh5parVrWDSJ7kQCFa64hqe@webmail.leidinger.net> <5AFBB434-BB3B-4B5A-AB32-11DAFD03A2AD@hausen.com> <20221109205846.Horde.Rm5dcHB7p4mSbfFmxReYEDW@webmail.leidinger.net> <6C570897-1C17-43EF-A19C-0F50DA2669B0@hausen.com> <20221109211523.Horde.3dLzlxI4V6n_crjLsz_d08E@webmail.leidinger.net> <63316DBD-FFB7-44BA-ADD3-CACBE715518D@hausen.com>
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This message is in MIME format and has been PGP signed. --=_JwB9eaLzW-IX9D0XjJsiEyU Content-Type: text/plain; charset=utf-8; format=flowed; DelSp=Yes Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Quoting "Patrick M. Hausen" <pmh@hausen.com> (from Wed, 9 Nov 2022=20=20 21:19:23=20+0100): > Hi, > >> Am 09.11.2022 um 21:15 schrieb Alexander Leidinger=20=20 >>=20<Alexander@leidinger.net>: >> Quoting "Patrick M. Hausen" <pmh@hausen.com> (from Wed, 9 Nov 2022=20=20 >>=2021:02:52 +0100): >>> Yet, I made it a habit to whenever I see this message: >>> >>> ----------- >>> status: Some supported features are not enabled on the pool. The pool c= an >>> still be used, but some features are unavailable. >>> action: Enable all features using 'zpool upgrade'. Once this is done, >>> the pool may no longer be accessible by software that does not support >>> the features. See zpool-features(7) for details. >>> ----------- >>> >>> to do a "zpool upgrade" after some time of burn in followed by an=20=20 >>>=20update of the >>> boot loader. >>> >>> I desire to know if that is in fact dangerous. >> >> Ugh. This changed. It is indeed dangerous now. I just tested it=20=20 >>=20with a non-root pool which didn't had all flags enabled. "zpool=20=20 >>=20upgrade <pool>" will now enable all features. > > I know. But until now I assumed that features *enabled* but not=20=20 >=20*used* were not impeding booting. > And that for all others the boot loader was supposed to keep track. Some features are used directly when enabled. Some features go back to=20= =20 the=20enabled state when some conditions are met. Some features are not=20= =20 reversible=20without re-creating the pool (e.g. device_removal). The=20=20 zzpool-features=20man-page gives explanations which features belong into=20= =20 which=20category. Bye, Alexander. --=20 http://www.Leidinger.net=20Alexander@Leidinger.net: PGP 0x8F31830F9F2772BF http://www.FreeBSD.org netchild@FreeBSD.org : PGP 0x8F31830F9F2772BF --=_JwB9eaLzW-IX9D0XjJsiEyU Content-Type: application/pgp-signature Content-Description: Digitale PGP-Signatur Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIzBAABCAAdFiEER9UlYXp1PSd08nWXEg2wmwP42IYFAmNsDjUACgkQEg2wmwP4 2IYYtQ/+NxvKVOGdotRyEuS7XsqypDgfCXDoR8VGZQ+TGsxV7IbBBP/sl5gtP7/i nHaPtJwbJYrK9FSHO/VTWr2C/ZZcn+WkYGwFpd3u2hyheVsgQCloeBFkAQe4Iql4 Vlb6LMovGOaaKEjQURapM8sZmczrxj3FFpjNVApQkQUFCcBBJMLE3HrnHoVWEMXH 7ZrVmu2uNw52JZmEQo/niwDIDFhduv1AERU2wb5keQUH3JBhJS3sYctnMnwaZlHi KvrlCe753dABApHFs85PPunTUgTAH3oHDAaAHU4z9+BkJxCchZpYQk7AZ3wFUb0H bn9YweYHbDgQz2V0VK+dvc/MFuuAnq/5J1il5LoV6Zr8NAlgqJiNi4qZrbw01F5N 7HJRcXIRvgN46FDkM12wnh3QLErslvYCct1Qs/M7cKsS9K+yenTZtGOuG7kD3G+v /4gWT2gSihbwE/6sMKG1Rgcws3Udv/H8vcdUtg6c9g38jjzjOQffy+ETeaIc20K1 C2BrvkcQOfgaWO+P5ghVCQ0jakgNXxto2CG/3/cGC2svXkPJWiCJYEsWRazFcu/p WXlKWluuKHR8dadPbtxuUhjtKVleRpvwqkxwjS860WPUos8hLl3Zzfj4DEQ7d7+M q1Umsg0Sf9WdCOlxjtnKm0+NZNLPHAnhwypjeyeKp7dXAADI5Y8= =/1/M -----END PGP SIGNATURE----- --=_JwB9eaLzW-IX9D0XjJsiEyU--
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