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Hi Marco,
September 22, 2025 at 4:21 PM, "Marco Gaiarin" <[email protected]
mailto:[email protected]?to=%22Marco%20Gaiarin%22%20%3Cgaio%40lilliput.linux.it%3E
> wrote:
>
> Someone have some feedback on this? Really i don't understand... Thanks.
>
> >
> > We have upgraded our server from PVE6 to PVE8, waited some month to be sure
> > there's no incompatibilities and now we are ready to remove older kernels,
> > and upgrade ZFS.
> >
> > Current situation is:
> >
> > root@svpve3:~# zfs upgrade
> > This system is currently running ZFS filesystem version 5.
> >
> > All filesystems are formatted with the current version.
> >
> > and:
> >
> > root@svpve3:~# zpool upgrade
> > This system supports ZFS pool feature flags.
> >
> > All pools are formatted using feature flags.
> >
> >
> > Some supported features are not enabled on the following pools. Once a
> > feature is enabled the pool may become incompatible with software
> > that does not support the feature. See zpool-features(7) for details.
> >
>
Did you look into the man page? `man zpool-features`
You can find a list of features compatible with the grub version installed, see
/usr/share/zfs/compatibility.d/
If your system is running in EFI mode already, then consider converting to
systemd-boot.
Cheers,
Alwin
--- End Message ---
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