From: Alwin Antreich via pve-user <pve-user@lists.proxmox.com>
To: "Proxmox VE user list" <pve-user@lists.proxmox.com>
Cc: Alwin Antreich <alwin@antreich.com>
Subject: Re: [PVE-User] ZFS Upgrade...
Date: Tue, 23 Sep 2025 12:52:46 +0000 [thread overview]
Message-ID: <mailman.304.1758631976.390.pve-user@lists.proxmox.com> (raw)
In-Reply-To: <qk28ql-lrd2.ln1@leia.lilliput.linux.it>
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From: "Alwin Antreich" <alwin@antreich.com>
To: "Proxmox VE user list" <pve-user@lists.proxmox.com>
Subject: Re: [PVE-User] ZFS Upgrade...
Date: Tue, 23 Sep 2025 12:52:46 +0000
Message-ID: <58420306b884238ed47ae0a5b2c69913bd131ebb@antreich.com>
Hi Marco,
September 22, 2025 at 4:21 PM, "Marco Gaiarin" <gaio@lilliput.linux.it mailto:gaio@lilliput.linux.it?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
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prev parent reply other threads:[~2025-09-23 12:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-16 13:59 Marco Gaiarin
2025-09-22 14:21 ` Marco Gaiarin
2025-09-23 12:52 ` Alwin Antreich via pve-user [this message]
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