Date: Wed, 9 Nov 2022 21:19:23 +0100 From: "Patrick M. Hausen" <pmh@hausen.com> To: Alexander Leidinger <Alexander@leidinger.net> 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: <63316DBD-FFB7-44BA-ADD3-CACBE715518D@hausen.com> In-Reply-To: <20221109211523.Horde.3dLzlxI4V6n_crjLsz_d08E@webmail.leidinger.net> 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>
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Hi, > Am 09.11.2022 um 21:15 schrieb Alexander Leidinger = <Alexander@leidinger.net>: > Quoting "Patrick M. Hausen" <pmh@hausen.com> (from Wed, 9 Nov 2022 = 21:02:52 +0100): >> Yet, I made it a habit to whenever I see this message: >>=20 >> ----------- >> status: Some supported features are not enabled on the pool. The pool = can >> 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. >> ----------- >>=20 >> to do a "zpool upgrade" after some time of burn in followed by an = update of the >> boot loader. >>=20 >> I desire to know if that is in fact dangerous. >=20 > Ugh. This changed. It is indeed dangerous now. I just tested it with a = non-root pool which didn't had all flags enabled. "zpool upgrade <pool>" = will now enable all features. I know. But until now I assumed that features *enabled* but not *used* = were not impeding booting. And that for all others the boot loader was supposed to keep track. Kind regards, Patrick=
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