[PVE-User] Joining 5.2 node to 4.1 Cluster Not Working

[JR Richardson]

Hi All,



I'm in the middle of adding some compute nodes to an existing cluster. I was
certain I could add a newer 5.x node to existing 4.1 cluster bit I get error
with some script deprecations in perl.



Should I build new compute nodes as 4.1, join to the cluster, then once all
nodes are added, do the upgrade of all nodes to 5.2? Or is there a work
around to adding a 5.2 node to a 4.1 cluster?



Best practice? I have to add more compute nodes for migrating VMs around to
release existing 4.1 compute nodes so I can do the upgrades to 5.2.



Thanks.


JR



JR Richardson

Engineering for the Masses

Chasing the Azeotrope

[Yannis Milios]

According to wiki [1], it is tested (and supported) to add pve5.x nodes to
pve4.x cluster.
Perhaps you will have to upgrade the existing cluster first to the latest
version (4.4) , then proceed to the addition of the pve5.2
node(s).Moreover it is also stated, that this should be used as an
intermediate step, before upgrading all cluster nodes to v5.2 and not as a
permanent setup.

[1]
https://pve.proxmox.com/wiki/Upgrade_from_4.x_to_5.0#Caveats_to_know_before_you_start

Post by JR Richardson
Hi All,
I'm in the middle of adding some compute nodes to an existing cluster. I was
certain I could add a newer 5.x node to existing 4.1 cluster bit I get error
with some script deprecations in perl.
Should I build new compute nodes as 4.1, join to the cluster, then once all
nodes are added, do the upgrade of all nodes to 5.2? Or is there a work
around to adding a 5.2 node to a 4.1 cluster?
Best practice? I have to add more compute nodes for migrating VMs around to
release existing 4.1 compute nodes so I can do the upgrades to 5.2.
Thanks.
JR
JR Richardson
Engineering for the Masses
Chasing the Azeotrope
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