Question
Multi-Node Real-Time Replication Technology
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×Gluster FS will achieve HA however the Geo Targetting will not work.I'm not sure I understand why Geotargeting won't work with GlusterFS.
Setup DRBD (synchronous replication) between two geo separated node. Both should have slaves at each end.
Introduce Percona MySQL for Synchronous Replication (i think it provides synchronous replication feature) for inter DC DB replication.
DNS can be configured as Round Robin fashion for DNS level load balancing.
Please correct me if i misunderstood.
-Manish