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Hi all! Today I have a small gluster replication on 2 machines.My plan is to scale this, I though need some feedback that how I plan things is in the right direction. First of all I have understood the need of an arbiter. When I scale this, say that I just have 2 replica and 1 arbiter, when I add another two machines can I still use the same physical machine as the arbiter? Or when I add additional two machines I have to add another arbiter machine as well? My second question is about geo-replication. If I want to setup a geo-replication on above gluster cluster do I need to have the exact "same" machines in the reo-replication? I know that disk size should be same size on both the brick and on the geo-replication side. So if I have 2 replica and 1 arbiter, do I need 2 replica and 1 arbiter for the geo-replication? Or is it sufficient for a 2 replica and 1 arbiter to use 1 replica for the geo-replication? What I wonder is when I scale my gluster with additional 2 machines, do I need 2 machines for geo-replication or 1 machine for geo-replication? So adding 2 machines means adding 4 machines in total or do I just need 3 in total? Is there a need for a arbiter in the geo-replication? Many questions, but I hope that you can help me out! Many thanks in advance! Best regards Marcus Pedersén --
Marcus Pedersén System administrator
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