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

From: Alexander Leidinger <Alexander_at_leidinger.net>
Date: Wed, 09 Nov 2022 19:58:46 UTC
Quoting "Patrick M. Hausen" <pmh@hausen.com> (from Wed, 9 Nov 2022  
20:49:37 +0100):

> Hi,
>
>> Am 09.11.2022 um 20:45 schrieb Alexander Leidinger  
>> <Alexander@leidinger.net>:
>> But "zpool set feature@edonr=enabled rpool" (or any other feature  
>> not in the list we talk about) would render it unbootable.
>
> Sorry, just to be sure. So an active change of e.g. checksum or  
> compression algorithm
> might render the system unbootable but a zpool upgrade never will?  
> At least not intentionally? ;-)

If you mean "zpool upgrade", then no (modulo bugs). OpenZFS uses the  
feature flags instead of zpool upgrade.

Bye,
Alexander.

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