Sorry, still isn't clear what would be the source and destination on the ACL be? Let's say, we have clusters A and B. Cluster A datanodes are datanode-A-[1,10] and namenode is namenode-A-1. And, Cluster B datanodes are datanode-B-[1,10] and namenode is namenode-B-1. 1) Do I initiate "distcp" on a host on Cluster A or B? 2) Do ports need to be opened up A->B or B->A? 3) If it is A->B, then what hosts on A need access to what hosts on B? 4) If it is B->A, then what hosts on B need access to what hosts on A?
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