I did this, but with the benefit of taking the network with me, just a forklift 
from one datacenter to the next.

Shutdown the clients, then OSDs, then MDS/MON/MGRs, then switches.

Reverse order back up, 

> On Jan 28, 2020, at 4:19 AM, Marc Roos <m.r...@f1-outsourcing.eu> wrote:
> 
> 
> Say one is forced to move a production cluster (4 nodes) to a different 
> datacenter. What options do I have, other than just turning it off at 
> the old location and on on the new location?
> 
> Maybe buying some extra nodes, and move one node at a time?
> 
> 
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