elek commented on pull request #1419:
URL: https://github.com/apache/ozone/pull/1419#issuecomment-738777079


   > It is not sufficient to just define the replication factor. The 
replication/recovery behavior completely changes based on the replication 
scheme. E.g. for EC, we are talking about picking some coordinator during 
recovery. How do you abstract away behavior like that?
   
   I am not sure If I understand this question. Offline-recovery and 
co-ordinator election is an internal implementation detail of EC replication 
scheme. The only role of storage-class is to *select* and *configure* the 
required configuration scheme. If EC 3:2 is configured we will have EC 3:2 
containers created which will be managed by SCM as EC 3:2 containers.  


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