[
https://issues.apache.org/jira/browse/GEODE-6724?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Dick Cavender closed GEODE-6724.
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> split brain formed on concurrent locator startup
> ------------------------------------------------
>
> Key: GEODE-6724
> URL: https://issues.apache.org/jira/browse/GEODE-6724
> Project: Geode
> Issue Type: Bug
> Components: membership
> Reporter: Bruce J Schuchardt
> Assignee: Bruce J Schuchardt
> Priority: Major
> Fix For: 1.10.0
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> In a test with network-partition-detection disabled four locators were spun
> up in parallel and they formed two different clusters. Two servers were
> started and they joined different clusters, ending up with different data.
> Consistency checks at the end of the test caught the problem.
> {noformat}
> locatorgemfire_1_2_17088/system.log: [info 2019/04/25 22:00:08.732 PDT
> <vm_1_thr_1_locator_1_2_host1_17088> tid=0x14] findCoordinator chose
> rs-FullRegression26040030a0i3large-hydra-client-53(locatorgemfire_1_2_host1_17088:17088:locator)<ec>:41001
> out of these possible coordinators:
> [rs-FullRegression26040030a0i3large-hydra-client-53(locatorgemfire_1_2_host1_17088:17088:locator)<ec>:41001]
> locatorgemfire_1_2_17088/system.log: [info 2019/04/25 22:00:08.733 PDT
> <vm_1_thr_1_locator_1_2_host1_17088> tid=0x14] Discovery state after looking
> for membership coordinator is SearchState(locatorsContacted=2;
> findInViewResponses=0; alreadyTried=[];
> registrants=[rs-FullRegression26040030a0i3large-hydra-client-53(locatorgemfire_1_2_host1_17088:17088:locator)<ec>:41001];
>
> possibleCoordinator=rs-FullRegression26040030a0i3large-hydra-client-53(locatorgemfire_1_2_host1_17088:17088:locator)<ec>:41001;
> viewId=-1; hasContactedAJoinedLocator=false; view=null; responses=[])
> locatorgemfire_1_2_17088/system.log: [info 2019/04/25 22:00:08.733 PDT
> <vm_1_thr_1_locator_1_2_host1_17088> tid=0x14] found possible coordinator
> rs-FullRegression26040030a0i3large-hydra-client-53(locatorgemfire_1_2_host1_17088:17088:locator)<ec>:41001
> locatorgemfire_1_2_17088/system.log: [info 2019/04/25 22:00:08.733 PDT
> <vm_1_thr_1_locator_1_2_host1_17088> tid=0x14] This member is becoming the
> membership coordinator with address
> rs-FullRegression26040030a0i3large-hydra-client-53(locatorgemfire_1_2_host1_17088:17088:locator)<ec>:41001
> {noformat}
> {noformat}
> locatorgemfire_1_4_17106/system.log: [info 2019/04/25 22:00:08.762 PDT
> <vm_3_thr_3_locator_1_4_host1_17106> tid=0x14] findCoordinator chose
> rs-FullRegression26040030a0i3large-hydra-client-53(locatorgemfire_1_4_host1_17106:17106:locator)<ec>:41000
> out of these possible coordinators:
> [rs-FullRegression26040030a0i3large-hydra-client-53(locatorgemfire_1_4_host1_17106:17106:locator)<ec>:41000]
> locatorgemfire_1_4_17106/system.log: [info 2019/04/25 22:00:08.763 PDT
> <vm_3_thr_3_locator_1_4_host1_17106> tid=0x14] Discovery state after looking
> for membership coordinator is SearchState(locatorsContacted=3;
> findInViewResponses=0; alreadyTried=[];
> registrants=[rs-FullRegression26040030a0i3large-hydra-client-53(locatorgemfire_1_2_host1_17088:17088:locator)<ec>:41001,
>
> rs-FullRegression26040030a0i3large-hydra-client-53(locatorgemfire_1_4_host1_17106:17106:locator)<ec>:41000,
>
> rs-FullRegression26040030a0i3large-hydra-client-53(locatorgemfire_1_3_host1_17100:17100:locator)<ec>:41002];
>
> possibleCoordinator=rs-FullRegression26040030a0i3large-hydra-client-53(locatorgemfire_1_4_host1_17106:17106:locator)<ec>:41000;
> viewId=-1; hasContactedAJoinedLocator=false; view=null; responses=[])
> locatorgemfire_1_4_17106/system.log: [info 2019/04/25 22:00:08.763 PDT
> <vm_3_thr_3_locator_1_4_host1_17106> tid=0x14] found possible coordinator
> rs-FullRegression26040030a0i3large-hydra-client-53(locatorgemfire_1_4_host1_17106:17106:locator)<ec>:41000
> locatorgemfire_1_4_17106/system.log: [info 2019/04/25 22:00:08.763 PDT
> <vm_3_thr_3_locator_1_4_host1_17106> tid=0x14] This member is becoming the
> membership coordinator with address
> rs-FullRegression26040030a0i3large-hydra-client-53(locatorgemfire_1_4_host1_17106:17106:locator)<ec>:41000
> {noformat}
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