Ah yeah, I did wonder about that but I thought quorum was based on all bricks, not just the replica set. Guess my first instinct was right ! > I see. So if I switch to a different cluster quorum model, I may get > split-brain which would need manual intervention should a node go > missing? Yes > > Adding an arbiter involves creating a volume from scratch? You can't > just add it to an existing volume. > You can, I think in your case you'd need to remove 2 nodes (removing the distributed part), then add a brick to go to replica 3, then you should be able to add the two arbiters at once. If you can afford downtime creating a new volume is clearly a lot simpler :) -- Kevin Lemonnier PGP Fingerprint : 89A5 2283 04A0 E6E9 0111
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