Re: OpenZFS support merged

From: Danilo Egêa Gondolfo <danilo_at_freebsd.org>
Date: Tue, 25 Aug 2020 17:51:40 +0100
On Tue, Aug 25, 2020 at 5:43 PM Matthew Macy <mmacy_at_freebsd.org> wrote:

> On Tue, Aug 25, 2020 at 9:36 AM Danilo Egêa Gondolfo <danilo_at_freebsd.org>
> wrote:
> >
> > On Tue, Aug 25, 2020 at 3:39 AM Matthew Macy <mmacy_at_freebsd.org> wrote:
> >>
> >> r364746 merged OpenZFS support in to HEAD.
> >>
> >> The change should be transparent unless you want to use new features.
> >> I caution against 'zpool upgrade' for the next few weeks.
> >>
> >> https://svnweb.freebsd.org/base?view=revision&revision=364746
> >>
> >> If you encounter problems please report them to me, Ryan Moeller, and
> -current.
> >> _______________________________________________
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> >> https://lists.freebsd.org/mailman/listinfo/freebsd-hackers
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> >
> >
> > Hi, that is good news.
> >
> > It seems that our boot loader will fail to boot after zpool upgrade. Is
> that a known issue?
>
> No. Unfortunately zstd support was merged in to openzfs very late in
> the CFT. Features needed for read like zstd need to be white listed in
> the loader and added to the support.
>
> -M
>
>
> > I've replicated my setup, root zfs over GELI, in a VM to avoid any
> surprise (phew!), and it booted fine after upgrading the system. Although
> it fails after zpool upgrade (yes, I know you've asked us to be cautious
> with zpool upgrade):
> >
> > ZFS: unsupported feature: org.freebsd:zstd_compress
> > ZFS: pool zroot is not supported
> > ZFS: can't find pool by guid
> >
> > Thank you!
>

Fair enough.

I believe it should be mentioned in the UPDATING file then. It's not clear
that it will happen if one zpool upgrades his/her pools.

Thank you.
Received on Tue Aug 25 2020 - 14:51:54 UTC

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