On Tue, Apr 19, 2016 at 5:25 PM, Kevin Lemonnier <lemonni...@ulrar.net> wrote:
> Hi, > > As stated in another thread, we currently have a 3 nodes cluster with > sharding enabled used for storing VM disks. > I am migrating that to a new 3.7.11 cluster to hopefully fix the problems > with had friday, but since those 3 > nodes are nearly full we'd like to expand. > > We have 3 nodes with a replica 3. What would be better, go to 5 nodes and > use a replica 2 (so "wasting" one node), > or go to 6 nodes with still a replica 3 ? Seems like having 3 replicas is > better for safety, but can someone confirm > that whats important for quorum is the number of bricks in a replica set, > not the number of nodes total ? > Would hate to get into a split brain because we upgraded to an even number > of node. > You need to go for 3 more nodes with still a replica 3 to guard against split-brains. -Krutika > > Thanks, > > -- > Kevin Lemonnier > PGP Fingerprint : 89A5 2283 04A0 E6E9 0111 > > _______________________________________________ > Gluster-users mailing list > Gluster-users@gluster.org > http://www.gluster.org/mailman/listinfo/gluster-users >
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