Our team of MySQL database experts regularly blogs on topics that range from MySQL availability, MySQL replication, multi-master MySQL, and MySQL-aware proxies, all the way through to ‘how to’ content for our solutions: Tungsten Clustering, Tungsten Replicator and Tungsten Proxy.
Passive Witness Feature to be Deprecated in Tungsten Clustering v6.1
Over the years, Tungsten Clustering has grown and matured. Early on, in response to our customers' needs, we introduced the concept of the Passive Witness to allow for clusters with only two nodes. Normally, a cluster requires three nodes to create a voting quorum, which requires an odd number of members to avoid split-brain scenarios. It is the Witness which provides the tie-breaker in the event of a network partition.