Hi,
I've seen this question asked a couple of times here
http://www.gluster.org/pipermail/gluster-users/2013-July/036414.html and here
http://supercolony.gluster.org/pipermail/gluster-users/2013-June/036272.html
but never fully answered, unless I'm reading the answers wrongly.
I understand that bricks are replicated in pairs (with rep 2)
in the order in which they are added, so for a 3-node cluster we're planning on
having 6 bricks, 2 per node, and replicating in a pair-wise fashion, so that
one node never holds both bricks of a replica. My question is what to do when
you add another node to the cluster. It would have two bricks that are
replicas of each other.
a) Is there a way of changing these pairings later on, even if just for
the new data?
b) Could I take down the volume and add the bricks in one at a time again?
Thanks,
Anne
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