Distributed is the default, and replicated distributes as long as there are at least twice the number of bricks as your replication level.
For example... gluster volume create gv0 server1:/data/brick1/gv0 server2:/data/brick1/gv0 server3:/data/brick1/gv0 ...distributes files across all three servers/bricks. gluster volume create gv0 replica 3 server1:/data/brick1/gv0 server2:/data/brick1/gv0 server3:/data/brick1/gv0 ...creates a volume across the servers/bricks with 3 replicas. As there are only 3 servers/bricks, there is nothing to distribute to. gluster volume create gv0 replica 2 server1:/data/brick1/gv0 server2:/data/brick1/gv0 server3:/data/brick1/gv0 server4:/data/brick1/gv0 ...distributes files across server1 & server2, & replicates server1 to server3 & server2 to server4. (This is purely an example though, as this particular config would then be vulnerable to split-brain). D On 8 February 2017 at 06:12, Dave Fan <dave....@shudun.com> wrote: > Hi, > > I'm new to Gluster so a very basic question. Are all volumes distributed > by default? Is there a switch to turn this feature on/off? > > I ask this because in an intro to Gluster I saw "Replicated Volume" and > "Distributed Replicated Volume". Is the first type, "Replicated Volume", > not distributed? > > Many thanks, > Dave > > _______________________________________________ > Gluster-users mailing list > Gluster-users@gluster.org > http://lists.gluster.org/mailman/listinfo/gluster-users >
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