[PVE-User] pve4.2 join pve3.2 cluster failure

Lindsay Mathieson lindsay.mathieson at gmail.com
Tue May 17 07:31:05 CEST 2016

On 17 May 2016 at 15:22, haoyun <haoyun-kgq at 163.com> wrote:
> what risk from pve3.2 upgrade to pve4.2?
> all vm has service in running !

Its a non-trivial upgrade, but if you follow the guide here *to the
letter* :) it should be ok. Numerous people have done it with no


It does involve extended downtime for the entire cluster.


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