Continuent is pleased to announce that Tungsten Clustering 6.0.2 and Tungsten Replicator 6.0.2 are now available!
Our 6.0.2 release is a critical bug fix for the cluster Manager logic within a Multimaster cluster.
All current users of v6.0.0 and v6.0.1 should upgrade IMMEDIATELY!
Fixes issue CT-672: the manager could set the master to read-only when performing a switch operation.
There is a procedural work-around if you get into this situation:
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.
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