> Op 26 april 2016 om 23:24 schreef yang sheng <forsaks.30@xxxxxxxxx>: > > > Hi > > according to ceph docs, it recommend 3 monitors as least. All the clients > will contact monitors first to get the ceph map and connect the osd. > Yes, indeed. > I am curious that if I have 3 monitors, are these monitors run in > master-master mode or master-slave mode? In another word, will clients > talk to any of these 3 monitors or all clients can only talk to one monitor > and if that monitor is unreachable, than they talk to the second monitor? > During the election process one monitor will become the 'leader' and others will become 'peons'. A client can talk to each monitor, but the peons will forward commands to the leader which makes the decisions inside the cluster. Clients are aware of all the Monitors in a cluster, so if a monitor goes down they can contact the other one. Wido > > thanks > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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