From: Marco Gaiarin <gaio@lilliput.linux.it>
To: pve-user@lists.proxmox.com
Subject: [PVE-User] ZFS: different upgrade level in cluster for replica and migration...
Date: Sun, 4 Jan 2026 23:48:31 +0100 [thread overview]
Message-ID: <ta7r2m-q925.ln1@leia.lilliput.linux.it> (raw)
We have a set of clusters composed of two servers, installed on PVE6; main
server get installed as UEFI and use systemd-bootd; sparring partner server
was installed in legacy mode, and so use GRUB.
Some critical VMs get replicated from the two nodes.
After upgrading to PVE8 we are in the process of upgrading pool, but we
cannot upgrade the sparring partner server because of known GRUB
compatibility.
We have upgraded a test server, and replica works as expected, so seems that
replica (and migration) does not depend on zpool upgrade status.
But i ask here confirmation.
Thanks.
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