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relocate-replicas: sanity check to avoid invalid circular replication#839
Merged
shlomi-noach merged 2 commits intomasterfrom Mar 13, 2019
Merged
relocate-replicas: sanity check to avoid invalid circular replication#839shlomi-noach merged 2 commits intomasterfrom
shlomi-noach merged 2 commits intomasterfrom
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Deploys and works well. cc @tomkrouper |
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The fix applies to the |
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Fixes #838
The specific
relocate-replicascommand (e.g.relocate-replicas -i srv1 -d srv2) will pre-verify that none of the replicas of instancesrv1is an ancestor ofsrv2.The check is based on
ancestry_uuidwhich is based on theserver_uuidvariable, which is available5.6and onwards.