How many databases do you have on the Cluster ?
With 4 nodes, I would still have used Admin Managed.
Here's a conversion I did on a 2node cluster for a single database :
https://hemantoracledba.blogspot.sg/2017/01/12cr1-rac-posts-3-convert-policymanaged.html
The key steps are to create the parameter file and srvctl add instance.
Hemant K Chitale
On Fri, Feb 24, 2017 at 12:01 PM, Sanjay Mishra <dmarc-noreply@xxxxxxxxxxxxx
wrote:
We have currently 4 node Policy Managed RAC and so removing 2 node from
the cluster due to Licnese and so need to convert the Policy Managed
database to Admin Managed to be spanned on two final RAC nodes
TIA
Sanjay