[infinispan-issues] [JBoss JIRA] (ISPN-4900) Split-brain: node does not have data

[Radim Vansa (JIRA)]

Radim Vansa created ISPN-4900:
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             Summary: Split-brain: node does not have data
                 Key: ISPN-4900
                 URL: https://issues.jboss.org/browse/ISPN-4900
             Project: Infinispan
          Issue Type: Bug
          Components: State Transfer
            Reporter: Radim Vansa
            Priority: Critical


1. Cluster [A, B, C, D], in CH 1 segment X owned by [D, C]
2. Split brain [A, B], [C, D]: A and B detects that D is missing, therefore they get view [A, B, C] and start rebalancing, in CH 2 segment X is owned by [C, B]
3. A and B get new view [A, B] (C is missing) and state transfer of X is cancelled, nodes enter degraded mode.
4. Split brain is fixed, all nodes find each other and merge - B starts to be AVAILABLE, but still does not have data for X
5. Subsequent requests on B return null upon cache.get()



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