Other Glusterfs replication factor > 3 and arbiter nodes?

Hello,

I have been researching the GlusterFS for multi-site distributed filesystem.
I wish to have arbiter nodes for splitbrain protection, but recently during tests I have discovered that only replication factor 3 will allow you to have arbiter nodes.

The Idea here is to have on every brick 100% of the data and the traffic between bricks to be only replication, no standard filesystem read/writes. So replication factor 3 doesn't actually to the job.
So if I have 10 bricks they would be in 10 different data centers and I would like every data center to have 100% of the data. This means Gluster volume with replication factor 10.
Adding 11th node should result into replication factor 11.

Documentation says that on replication factor 3 you should have 1 arbiter.
Also if more than 3 bricks you should also have 1 arbiter on every 3 bricks but the replication factor will still be 3 ;(

Unfortunately the documentation is quite insufficient for such scalable setup. I couldn't find anywhere anything written about replication factor > 3 and arbiters.
Any experience and advice will be appreciated.

Thanks
 
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