Re: changes to the zfs boot (was: Re: git: 72a1cb05cd23 - main - rc(8): Add a zpoolupgrade rc.d script)

[Alexander Leidinger]

Quoting "Patrick M. Hausen" <p...@hausen.com> (from Wed, 9 Nov 2022 20:02:55 +0100):

Hi all,

Am 09.11.2022 um 16:54 schrieb Warner Losh <i...@bsdimp.com>:
>>    There is a fixed list of features we support in the boot loader:
>>    [...]
>>    Any feature not on this list will cause the boot loader to
>> reject the pool.

and debated changes. Does that imply that a simple "zpool upgrade" of the
boot/root pool might lead to an unbootable system in the future - even if the
boot loader is upgraded as it should, too?

I admit that I do not grasp the full implications of this thread and the proposed

Bye,
Alexander.

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For a recent pool (zpool get all rpool | grep -q feature && echo recent enough): no. But "zpool set feature@edonr=enabled rpool" (or any other feature not in the list we talk about) would render it unbootable.

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