Roy Tang
5a8aabaee3
Prevent mariadb from split brain while cluster is in reboot state
The current start logic when existing cluster state is reboot can lead to a split brain condition under certain circumstances. This patchset adds some additional step to ensure cluster is set to live state once leader node is ready to start, instead of relying on slave nodes to handle. Also add some simple retry when there is collision detected while trying to write to configmap. The existing hair-trigger that will put the cluster state from "live" into "reboot" can use some fine tuning, but updating it properly should require additional investigation and testing, hence should be done as a separate activity outside the scope of this patchset. Change-Id: Ieb2861d6fbc435e24e20d13c7b358c751890b4c4
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